### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf 

## Plants: 

# Belle River Power Plant 1/26/2009Coal A/F Monthly-BRPP January 2009 BR 09F010630 26.49 4.32 31.85 37.35 0.32 9,132 51.44 3.59 0.64 13.20 5.87 43.32 50.80 0.44 12,423 69.97 4.89 0.87 17.95 46.03 2/25/2009Coal A/F Monthly-BRPP February 2009 BR 09F015490 28.33 4.37 29.93 37.37 0.32 8,857 50.20 2.50 0.76 13.52 6.10 41.7652.14 0.45 12,35870.05 3.48 1.07 18.86 44.48 3/25/2009Coal A/F Monthly-BRPP March 2009 BR 09F022110 27.63 4.39 28.27 39.72 0.31 8,937 51.25 3.32 0.71 12.40 6.06 39.0654.88 0.42 12,349 70.81 4.59 0.98 17.14 41.58 5/11/2009Coal A/F Monthly-BRPP April 2009 BR 09F029960 27.47 4.21 30.85 37.47 0.31 9,035 51.82 3.50 0.63 12.06 5.81 42.5451.65 0.42 12,457 71.44 4.83 0.87 16.63 45.16 5/25/2009Coal A/F Monthly-BRPP May 2009 BR 09F033150 25.74 4.17 30.92 39.17 0.32 9,23052.62 3.56 0.61 12.97 5.62 41.6452.75 0.44 12,429 70.86 4.80 0.82 17.46 44.11 6/25/2009Coal A/F Monthly-BRPP June 2009 BR 09F040220 26.16 4.2631.2038.37 0.32 9,169 52.06 3.61 0.68 12.91 5.78 42.2651.97 0.43 12,417 70.50 4.89 0.92 17.48 44.85 7/25/2009Coal A/F Monthly-BRPP July 2009 BR 09F048740 26.31 4.25 30.81 38.63 0.33 9,185 52.18 3.51 0.62 12.80 5.77 41.81 52.42 0.44 12,46470.82 4.76 0.84 17.37 44.37 8/25/2009Coal A/F Monthly-BRPP August 2009 BR 09F053040 25.78 4.1429.3240.76 0.31 9,261 52.71 3.52 0.57 12.97 5.58 39.5054.92 0.42 12,477 71.01 4.75 0.77 17.47 41.84 9/25/2009Coal A/F Monthly-BRPP September 2009 BR 09F060070 26.39 4.31 30.67 38.62 0.34 9,139 52.01 3.44 0.64 12.85 5.86 41.67 52.47 0.47 12,41670.67 4.68 0.87 17.46 44.27 10/25/2009Coal A/F Monthly-BRPP October 2009 BR 09F066990 26.58 4.23 30.9038.30 0.34 9,15051.70 3.46 0.64 13.06 5.76 42.09 52.16 0.46 12,462 70.41 4.71 0.87 17.79 44.66 11/25/2009Coal A/F Monthly-BRPP November 2009 BR 09F073190 26.76 4.09 30.02 39.13 0.33 9,18052.37 3.50 0.72 12.23 5.58 40.99 53.42 0.45 12,535 71.51 4.77 0.99 16.69 43.42 12/25/2009Coal A/F Monthly-BRPP December 2009 BR 10F002320 26.20 4.11 30.39 39.31 0.33 9,251 52.97 3.46 0.74 12.19 5.57 41.17 53.26 0.45 12,535 71.78 4.69 1.00 16.52 43.60 BR Count 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 BR Average 26.65 4.2430.43 38.68 0.32 9,127 51.94 3.41 0.66 12.76 5.78 41.4852.74 0.44 12,44470.82 4.65 0.91 17.40 44.03 BR Max 28.33 4.39 31.8540.76 0.34 9,261 52.97 3.61 0.76 13.52 6.10 43.32 54.92 0.47 12,535 71.78 4.89 1.07 18.86 46.03 BR Min 25.74 4.09 28.27 37.35 0.31 8,857 50.20 2.50 0.57 12.06 5.57 39.0650.80 0.42 12,349 69.97 3.48 0.77 16.52 41.58 BR StdDev 0.78 0.10 0.94 1.02 0.01 124.33 0.75 0.30 0.06 0.45 0.18 1.20 1.22 0.02 58.11 0.56 0.38 0.09 0.64 1.28 

# Harbor Beach Power Plant 1/25/2009Coal A/F Monthly-HBPP January 2009 HB 09F010640 8.70 7.61 30.01 53.68 0.88 12,671 69.35 4.50 1.40 7.56 8.33 32.87 58.80 0.96 13,877 75.96 4.93 1.54 8.28 35.86 2/25/2009Coal A/F Monthly-HBPP February 2009 HB 09F015480 8.24 7.45 30.87 53.44 0.86 12,712 68.77 4.61 1.49 8.58 8.12 33.6458.24 0.94 13,853 74.94 5.02 1.62 9.35 36.61 3/25/2009Coal A/F Monthly-HBPP March 2009 HB 09F022100 7.50 8.12 30.2654.12 0.89 12,82671.14 4.49 1.45 6.40 8.78 32.72 58.50 0.97 13,86676.91 4.85 1.57 6.92 35.87 5/11/2009Coal A/F Monthly-HBPP April 2009 HB 09F029950 9.20 6.82 32.13 51.85 0.81 12,606 69.38 4.58 1.44 7.76 7.51 35.3857.11 0.90 13,883 76.41 5.05 1.58 8.55 38.26 6/25/2009Coal A/F Monthly-HBPP June 2009 HB 09F040210 7.31 9.40 28.9654.33 0.88 12,687 70.87 4.49 1.32 5.73 10.14 31.2458.62 0.95 13,687 76.46 4.84 1.43 6.18 34.77 7/25/2009Coal A/F Monthly-HBPP July 2009 HB 09F048730 11.82 8.23 29.71 50.24 0.75 11,776 65.43 4.18 1.20 8.39 9.34 33.7056.97 0.85 13,355 74.20 4.74 1.36 9.51 37.17 8/25/2009Coal A/F Monthly-HBPP August 2009 HB 09F053030 12.45 8.01 33.9845.56 0.72 11,685 65.41 4.12 1.18 8.13 9.15 38.81 52.04 0.82 13,347 74.71 4.70 1.34 9.28 42.72 9/25/2009Coal A/F Monthly-HBPP September 2009 HB 09F060060 11.18 7.92 29.0451.86 0.77 11,953 67.32 4.06 1.16 7.60 8.92 32.69 58.39 0.86 13,45875.79 4.57 1.31 8.56 35.90 10/25/2009Coal A/F Monthly-HBPP October 2009 HB 09F066980 14.73 8.77 29.3647.14 0.75 11,096 63.25 4.04 1.11 7.35 10.28 34.43 55.29 0.89 13,012 74.18 4.74 1.30 8.62 38.38 11/25/2009Coal A/F Monthly-HBPP November 2009 HB 09F073180 15.27 7.78 28.2948.65 0.85 11,186 63.91 3.99 1.19 7.01 9.19 33.39 57.42 1.01 13,203 75.43 4.71 1.40 8.27 36.77 12/15/2009Coal A/F Monthly-HBPP December 2009 HB 10F002310 14.45 7.0429.9648.55 0.66 11,406 64.02 4.12 1.15 8.55 8.23 35.02 56.75 0.77 13,333 74.84 4.82 1.35 10.00 38.16 HB Count 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 HB Average 10.99 7.92 30.23 50.86 0.80 12,055 67.17 4.29 1.28 7.55 8.91 33.99 57.10 0.90 13,53475.44 4.82 1.44 8.50 37.32 HB Max 15.27 9.4033.9854.33 0.89 12,82671.14 4.61 1.49 8.58 10.28 38.81 58.80 1.01 13,883 76.91 5.05 1.62 10.00 42.72 HB Min 7.31 6.82 28.2945.56 0.66 11,096 63.25 3.99 1.11 5.73 7.51 31.2452.04 0.77 13,012 74.18 4.57 1.30 6.18 34.77 HB StdDev 2.98 0.73 1.61 3.03 0.08 665.56 2.89 0.24 0.14 0.90 0.84 1.98 1.98 0.07 311.46 0.94 0.14 0.12 1.12 2.13 

# Monroe Power Plant 1/25/2009Coal A/F Monthly-MOPP January 2009 MO 09F010650 20.49 6.69 31.1641.66 0.61 10,043 56.75 3.81 0.96 10.68 8.42 39.19 52.40 0.77 12,632 71.38 4.80 1.21 13.43 42.79 2/25/2009Coal A/F Monthly-MOPP February 2009 MO 09F015470 21.52 6.55 31.8140.12 0.59 9,83855.95 3.80 0.92 10.67 8.34 40.53 51.13 0.76 12,535 71.30 4.84 1.17 13.59 44.22 3/25/2009Coal A/F Monthly-MOPP March 2009 MO 09F022090 19.93 6.58 30.2643.23 0.67 10,14856.89 3.85 0.96 11.12 8.22 37.8053.98 0.83 12,67471.05 4.81 1.20 13.89 41.18 5/11/2009Coal A/F Monthly-MOPP April 2009 MO 09F029940 20.78 6.73 31.5740.93 0.65 10,101 57.19 3.75 0.86 10.04 8.49 39.85 51.66 0.82 12,75072.20 4.73 1.08 12.68 43.55 5/25/2009Coal A/F Monthly-MOPP May 2009 MO 09F033140 19.70 6.3631.7042.24 0.67 10,21657.86 3.81 0.91 10.69 7.92 39.4852.60 0.84 12,723 72.05 4.75 1.13 13.32 42.87 6/25/2009Coal A/F Monthly-MOPP June 2009 MO 09F040200 20.69 6.25 32.2740.80 0.65 10,12656.71 3.83 0.92 10.95 7.88 40.6851.44 0.82 12,76871.50 4.83 1.17 13.81 44.16 7/25/2009Coal A/F Monthly-MOPP July 2009 MO 09F048720 20.73 6.18 31.5641.53 0.62 10,09656.18 3.80 0.83 11.66 7.79 39.81 52.40 0.78 12,73670.88 4.80 1.05 14.71 43.17 8/25/2009Coal A/F Monthly-MOPP August 2009 MO 09F053020 21.12 6.12 32.1940.56 0.63 10,025 56.55 3.77 0.88 10.92 7.76 40.82 51.42 0.80 12,709 71.70 4.78 1.12 13.84 44.25 9/25/2009Coal A/F Monthly-MOPP September 2009 MO 09F060050 20.74 6.2431.9341.10 0.62 10,065 56.43 3.66 0.87 11.45 7.87 40.2851.85 0.79 12,69871.19 4.62 1.09 14.44 43.72 10/25/2009Coal A/F Monthly-MOPP October 2009 MO 09F066960 20.81 6.33 35.07 37.79 0.65 10,063 57.79 3.71 0.93 9.79 8.00 44.2947.72 0.81 12,707 72.97 4.68 1.18 12.36 48.14 11/25/2009Coal A/F Monthly-MOPP November 2009 MO 09F073170 20.93 6.27 31.3341.46 0.63 10,05856.71 3.80 0.97 10.68 7.93 39.63 52.44 0.79 12,721 71.73 4.81 1.23 13.51 43.04

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 1 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf 12/25/2009Coal A/F Monthly-MOPP December 2009 MO 10F002300 21.30 6.2030.7641.74 0.63 10,01457.29 3.68 0.94 9.96 7.87 39.09 53.04 0.80 12,725 72.80 4.68 1.20 12.66 42.43 MO Count 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 MO Average 20.73 6.38 31.8041.10 0.64 10,06656.86 3.77 0.91 10.72 8.04 40.12 51.84 0.80 12,69871.73 4.76 1.15 13.52 43.63 MO Max 21.52 6.73 35.0743.23 0.67 10,21657.86 3.85 0.97 11.66 8.49 44.29 53.98 0.84 12,76872.97 4.84 1.23 14.71 48.14 MO Min 19.70 6.12 30.2637.79 0.59 9,83855.95 3.66 0.83 9.79 7.76 37.8047.72 0.76 12,535 70.88 4.62 1.05 12.36 41.18 MO StdDev 0.51 0.21 1.18 1.32 0.02 91.41 0.59 0.06 0.04 0.57 0.26 1.55 1.52 0.02 62.26 0.66 0.07 0.06 0.70 1.67 

# River Rouge Power Plant 1/25/2009Coal A/F Monthly-RRPP January 2009 RR 09F010680 22.01 7.21 31.4439.34 0.42 9,57854.22 3.70 0.84 11.60 9.25 40.31 50.44 0.54 12,28069.52 4.74 1.08 14.87 44.42 2/25/2009Coal A/F Monthly-RRPP February 2009 RR 09F015410 23.25 6.63 31.55 38.57 0.50 9,433 54.30 3.73 0.64 10.96 8.64 41.11 50.25 0.65 12,291 70.74 4.86 0.83 14.28 45.00 3/25/2009Coal A/F Monthly-RRPP March 2009 RR 09F022050 22.73 7.19 31.28 38.81 0.41 9,48454.12 3.69 0.96 10.91 9.30 40.4850.22 0.53 12,273 70.03 4.78 1.25 14.12 44.63 5/11/2009Coal A/F Monthly-RRPP April 2009 RR 09F029900 23.20 6.67 31.47 38.66 0.41 9,57854.39 3.64 0.75 10.95 8.68 40.9850.34 0.53 12,471 70.81 4.74 0.98 14.25 44.87 5/25/2009Coal A/F Monthly-RRPP May 2009 RR 09F033090 6/26/2009Coal A/F Monthly-RRPP June 2009 RR 09F040150 24.69 5.92 31.1638.23 0.37 9,267 52.43 3.57 0.79 12.23 7.86 41.3850.76 0.49 12,305 69.61 4.74 1.05 16.24 44.91 7/25/2009Coal A/F Monthly-RRPP July 2009 RR 09F048660 22.67 6.30 29.5141.52 0.42 9,69454.70 3.66 0.83 11.43 8.15 38.1653.69 0.54 12,535 70.73 4.74 1.07 14.78 41.55 8/25/2009Coal A/F Monthly-RRPP August 2009 RR 09F052960 24.32 6.18 32.1437.36 0.34 9,265 52.54 3.57 0.70 12.34 8.17 42.4649.36 0.45 12,243 69.42 4.72 0.93 16.31 46.24 9/25/2009Coal A/F Monthly-RRPP September 2009 RR 09F059990 26.79 5.03 28.4439.74 0.29 8,88653.35 3.43 0.75 10.37 6.87 38.85 54.28 0.39 12,137 72.87 4.68 1.03 14.16 41.72 10/25/2009Coal A/F Monthly-RRPP October 2009 RR 09F066920 22.65 6.5430.3840.43 0.43 9,69655.46 3.56 0.80 10.56 8.46 39.2852.26 0.55 12,535 71.70 4.61 1.04 13.65 42.91 11/25/2009Coal A/F Monthly-RRPP November 2009 RR 09F073120 24.87 5.68 29.9039.56 0.35 9,159 53.22 3.13 0.83 11.93 7.56 39.79 52.65 0.47 12,191 70.83 4.16 1.10 15.88 43.04 12/25/2009Coal A/F Monthly-RRPP December 2009 RR 10F002240 24.91 6.19 29.83 39.08 0.34 9,182 52.92 3.46 0.82 11.36 8.24 39.72 52.04 0.46 12,22870.47 4.61 1.09 15.13 43.28 RR Count 12 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 RR Average 23.83 6.32 30.65 39.21 0.39 9,38453.79 3.56 0.79 11.33 8.29 40.23 51.48 0.51 12,317 70.61 4.67 1.04 14.88 43.87 RR Max 26.79 7.21 32.1441.52 0.50 9,69655.46 3.73 0.96 12.34 9.30 42.4654.28 0.65 12,535 72.87 4.86 1.25 16.31 46.24 RR Min 22.01 5.03 28.4437.36 0.29 8,88652.43 3.13 0.64 10.37 6.87 38.1649.36 0.39 12,137 69.42 4.16 0.83 13.65 41.55 RR StdDev 1.41 0.64 1.12 1.12 0.06 254.64 0.96 0.17 0.08 0.65 0.71 1.23 1.60 0.07 135.85 1.02 0.18 0.11 0.91 1.48 

# St Clair Power Plant - Units 1-4 1/25/2009Coal A/F Monthly-SCPP 1-4 100W January 2009 SC1-4 09F010690 27.31 4.29 31.52 36.88 0.30 9,041 52.08 3.60 0.67 11.75 5.91 43.3650.74 0.42 12,43871.64 4.95 0.92 16.16 46.08 1/26/2009Coal A/F Monthly-SCPP 1-4 85-15 January 2009 SC1-4 09F011820 24.19 4.6430.7740.40 0.50 9,613 54.42 3.67 0.72 11.85 6.12 40.59 53.29 0.66 12,68071.79 4.84 0.95 15.63 43.23 2/25/2009Coal A/F Monthly-SCPP1-4 100W February 2009 SC1-4 09F015420 27.87 4.38 29.95 37.80 0.34 8,953 51.87 3.41 0.53 11.60 6.07 41.52 52.40 0.47 12,412 71.91 4.73 0.74 16.08 44.21 2/25/2009Coal A/F Monthly-SCPP1-4 70-30 February 2009 SC1-4 09F015430 23.09 5.1031.1240.69 0.72 9,879 56.64 3.68 0.78 9.99 6.63 40.47 52.90 0.94 12,845 73.64 4.78 1.01 12.99 43.34 3/25/2009Coal A/F Monthly-SCPP 1-4 March 2009 SC1-4 09F022060 26.47 4.5031.1637.86 0.38 9,165 51.85 3.59 0.80 12.40 6.12 42.3851.49 0.52 12,465 70.52 4.89 1.08 16.87 45.15 5/11/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F029910 26.60 4.35 31.08 37.97 0.33 9,191 51.92 3.54 0.61 12.67 5.92 42.35 51.73 0.44 12,522 70.73 4.82 0.82 17.26 45.02 5/25/2009Coal A/F Monthly-SCPP 1-4 100W May 2009 SC1-4 09F033100 25.44 4.11 31.2439.21 0.33 9,279 52.96 3.56 0.61 13.00 5.51 41.89 52.59 0.45 12,44471.03 4.77 0.81 17.43 44.34 6/25/2009Coal A/F Monthly-SCPP 1-4 June 2009 SC1-4 09F040160 26.00 4.27 31.22 38.52 0.35 9,25452.70 3.58 0.71 12.40 5.77 42.19 52.05 0.48 12,505 71.21 4.83 0.96 16.76 44.77 7/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F048670 26.07 4.33 29.9039.71 0.35 9,245 52.49 3.42 0.63 12.72 5.85 40.4453.71 0.48 12,505 70.99 4.62 0.85 17.21 42.95 7/25/2009Coal A/F Monthly-SCPP 2 85-15 SC1-4 09F048680 23.46 4.7430.2341.57 0.52 9,71454.90 3.70 0.73 11.96 6.20 39.5054.31 0.67 12,691 71.72 4.83 0.95 15.63 42.11 8/25/2009Coal A/F Monthly-SCPP 1-4 100W August 2009 SC1-4 09F052970 26.38 4.13 30.99 38.50 0.30 9,173 52.25 3.51 0.57 12.86 5.61 42.1052.29 0.41 12,459 70.97 4.77 0.77 17.46 44.60 8/25/2009Coal A/F Monthly-SCPP 1-4 70-30 August 2009 SC1-4 09F052980 20.92 4.9631.7942.33 0.70 10,20058.23 3.85 0.87 10.46 6.28 40.2053.53 0.88 12,89873.64 4.87 1.10 13.23 42.89 9/25/2009Coal A/F Monthly-SCPP 1-4 100 W September 2009 SC1-4 09F060000 27.15 4.09 30.72 38.04 0.32 9,09451.84 3.55 0.60 12.45 5.62 42.1652.22 0.44 12,483 71.15 4.87 0.83 17.09 44.67 9/25/2009Coal A/F Monthly-SCPP 2 97 PRB Wood September 2009 SC1-4 09F060010 26.80 4.38 30.95 37.87 0.32 9,04051.63 3.48 0.59 12.80 5.98 42.2851.74 0.44 12,35070.53 4.75 0.81 17.48 44.97 10/25/2009Coal A/F Monthly-SCPP 1-4 100W October 2009 SC1-4 09F066930 27.27 4.28 29.88 38.57 0.32 9,011 52.71 3.24 0.57 11.63 5.88 41.0853.03 0.44 12,39072.47 4.45 0.78 15.98 43.65 10/25/2009Coal A/F Monthly-SCPP 1-4 70-30 October 2009 SC1-4 09F066940 19.46 5.05 32.3243.16 0.80 10,441 58.53 3.66 0.79 11.71 6.27 40.13 53.59 0.99 12,96472.67 4.55 0.98 14.54 42.82 11/25/2009Coal A/F Monthly-SCPP 1-4 100W November 2009 SC1-4 09F073130 26.26 4.16 29.97 39.61 0.32 9,239 52.67 3.53 0.72 12.33 5.64 40.65 53.71 0.44 12,53071.44 4.78 0.98 16.72 43.08 12/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 10F002250 26.15 4.11 30.0639.68 0.36 9,269 52.78 3.43 0.75 12.43 5.57 40.7053.73 0.48 12,551 71.46 4.65 1.02 16.83 43.10 SC1-4 Count 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 SC1-4 Average 25.38 4.4430.83 39.35 0.42 9,37853.47 3.56 0.68 12.06 5.94 41.33 52.73 0.56 12,563 71.64 4.76 0.91 16.19 43.94 SC1-4 Max 27.87 5.1032.3243.16 0.80 10,441 58.53 3.85 0.87 13.00 6.63 43.3654.31 0.99 12,96473.64 4.95 1.10 17.48 46.08 SC1-4 Min 19.46 4.09 29.88 36.88 0.30 8,953 51.63 3.24 0.53 9.99 5.51 39.5050.74 0.41 12,35070.52 4.45 0.74 12.99 42.11 SC1-4 StdDev 2.30 0.33 0.71 1.72 0.16 423.22 2.19 0.14 0.10 0.80 0.30 1.05 0.96 0.19 179.37 0.94 0.13 0.11 1.37 1.06 

# St Clair Power Plant Unit 6

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 2 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf 1/25/2009Coal A/F Monthly-SCPP 6 85-15 January 2009 SC6 09F010700 24.70 4.75 30.5440.01 0.54 9,56053.54 3.60 0.72 12.15 6.31 40.55 53.13 0.72 12,69671.11 4.78 0.95 16.13 43.29 2/25/2009Coal A/F Monthly-SCPP6 85-15 February 2009 SC6 09F015440 24.85 4.83 29.6440.68 0.59 9,527 55.83 3.43 0.70 9.79 6.42 39.4454.13 0.78 12,67674.28 4.56 0.93 13.02 42.15 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 09F029920 23.87 5.0632.0439.04 0.55 9,713 54.78 3.64 0.73 11.37 6.64 42.0851.27 0.72 12,759 71.96 4.78 0.95 14.94 45.08 5/25/2009Coal A/F Monthly-SCPP 6 85-15 May 2009 SC6 09F033110 22.85 4.67 30.1742.32 0.54 9,79056.04 3.60 0.79 11.51 6.05 39.1054.85 0.70 12,69072.64 4.66 1.03 14.92 41.62 6/25/2009Coal A/F Monthly-SCPP 6 June 2009 SC6 09F040170 23.34 4.7631.7040.21 0.57 9,75854.46 3.71 0.81 12.35 6.21 41.3452.45 0.74 12,729 71.04 4.84 1.06 16.10 44.08 7/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 09F048690 23.75 4.62 30.1341.50 0.52 9,687 54.87 3.62 0.73 11.90 6.05 39.52 54.43 0.68 12,70471.96 4.75 0.95 15.61 42.07 8/25/2009Coal A/F Monthly-SCPP 6 85-15 August 2009 SC6 09F052990 23.17 4.6432.0040.19 0.56 9,812 55.25 3.72 0.72 11.95 6.04 41.65 52.31 0.72 12,771 71.91 4.84 0.93 15.55 44.33 9/25/2009Coal A/F Monthly-SCPP 6 85-15 September 2009 SC6 09F060020 22.62 4.78 30.9641.64 0.58 9,88857.05 3.68 0.81 10.49 6.18 40.01 53.81 0.75 12,777 73.72 4.75 1.05 13.55 42.64 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC6 09F066950 23.15 4.75 30.9841.12 0.58 9,807 56.59 3.58 0.78 10.56 6.18 40.31 53.51 0.76 12,761 73.63 4.66 1.02 13.74 42.97 11/25/2009Coal A/F Monthly-SCPP 6 85-15 November 2009 SC6 09F073140 23.36 4.6030.5541.48 0.53 9,822 55.11 3.72 0.87 11.80 6.01 39.8654.13 0.69 12,81671.90 4.86 1.14 15.40 42.41 12/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 10F002260 23.78 4.45 30.4741.31 0.51 9,757 55.22 3.58 0.84 11.63 5.83 39.97 54.20 0.66 12,80072.44 4.70 1.10 15.26 42.45 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 10F002280 23.73 4.5030.1941.58 0.53 9,767 55.27 3.58 0.84 11.56 5.90 39.59 54.52 0.69 12,80672.47 4.69 1.10 15.16 42.07 SC6 Count 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 SC6 Average 23.60 4.7030.7840.92 0.55 9,741 55.33 3.62 0.78 11.42 6.15 40.29 53.56 0.72 12,749 72.42 4.74 1.02 14.95 42.93 SC6 Max 24.85 5.0632.0442.32 0.59 9,88857.05 3.72 0.87 12.35 6.64 42.0854.85 0.78 12,81674.28 4.86 1.14 16.13 45.08 SC6 Min 22.62 4.45 29.6439.04 0.51 9,527 53.54 3.43 0.70 9.79 5.83 39.1051.27 0.66 12,67671.04 4.56 0.93 13.02 41.62 SC6 StdDev 0.67 0.16 0.78 0.92 0.03 105.94 0.95 0.08 0.06 0.76 0.23 0.94 1.07 0.04 48.52 1.01 0.09 0.07 1.00 1.06 

# St Clair Power Plant Unit 7 1/25/2009Coal A/F Monthly-SCPP 7 85-15 January 2009 SC7 09F010710 24.82 4.75 30.3940.05 0.53 9,53854.18 3.58 0.76 11.39 6.32 40.42 53.27 0.70 12,687 72.06 4.76 1.01 15.15 43.14 2/25/2009Coal A/F Monthly-SCPP7 85-15 February 2009 SC7 09F015450 24.92 4.8630.57 39.65 0.59 9,51854.83 3.42 0.70 10.69 6.48 40.71 52.81 0.78 12,677 73.02 4.55 0.93 14.24 43.53 3/25/2009Coal A/F Monthly-SCPP 7 March 2009 SC7 09F022070 24.36 4.85 30.99 39.80 0.54 9,571 53.83 3.63 0.83 11.97 6.41 40.97 52.61 0.71 12,653 71.16 4.80 1.09 15.83 43.78 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 09F029920 23.87 5.0632.0439.04 0.55 9,713 54.78 3.64 0.73 11.37 6.64 42.0851.27 0.72 12,759 71.96 4.78 0.95 14.94 45.08 5/25/2009Coal A/F Monthly-SCPP 7 85-15 May 2009 SC7 09F033120 22.93 4.68 31.3141.08 0.54 9,783 55.11 3.66 0.75 12.33 6.07 40.62 53.31 0.70 12,693 71.51 4.75 0.98 16.00 43.25 6/25/2009Coal A/F Monthly-SCPP 7 June 2009 SC7 09F040180 23.26 4.77 31.5040.47 0.59 9,79655.26 3.71 0.83 11.57 6.22 41.0452.74 0.77 12,76672.02 4.84 1.09 15.07 43.77 7/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 09F048700 23.42 4.67 30.2541.67 0.55 9,75655.23 3.61 0.74 11.77 6.10 39.49 54.41 0.72 12,739 72.12 4.72 0.97 15.37 42.06 8/25/2009Coal A/F Monthly-SCPP 7 85-15 August 2009 SC7 09F053000 22.85 4.58 32.97 39.60 0.54 9,86854.31 3.76 0.68 13.29 5.93 42.7451.33 0.69 12,79070.39 4.88 0.88 17.23 45.43 9/25/2009Coal A/F Monthly-SCPP 7 85-15 September 2009 SC7 09F060030 23.44 4.81 30.6541.11 0.54 9,72655.60 3.61 0.78 11.22 6.28 40.03 53.69 0.70 12,70472.63 4.71 1.02 14.66 42.71 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC7 09F066950 23.15 4.75 30.9841.12 0.58 9,807 56.59 3.58 0.78 10.56 6.18 40.31 53.51 0.76 12,761 73.63 4.66 1.02 13.74 42.97 11/25/2009Coal A/F Monthly-SCPP 7 85-15 November 2009 SC7 09F073150 23.09 4.7030.5241.70 0.57 9,841 55.61 3.72 0.87 11.45 6.11 39.6854.21 0.73 12,79672.31 4.83 1.13 14.88 42.26 12/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 10F002270 23.53 4.55 30.3241.60 0.51 9,79655.33 3.58 0.81 11.68 5.94 39.65 54.40 0.67 12,81072.35 4.68 1.07 15.28 42.16 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 10F002280 23.73 4.5030.1941.58 0.53 9,767 55.27 3.58 0.84 11.56 5.90 39.59 54.52 0.69 12,80672.47 4.69 1.10 15.16 42.07 SC7 Count 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 SC7 Average 23.64 4.73 30.9840.65 0.55 9,729 55.07 3.62 0.78 11.60 6.20 40.5653.24 0.72 12,742 72.13 4.74 1.02 15.20 43.25 SC7 Max 24.92 5.0632.9741.70 0.59 9,86856.59 3.76 0.87 13.29 6.64 42.7454.52 0.78 12,81073.63 4.88 1.13 17.23 45.43 SC7 Min 22.85 4.5030.19 39.04 0.51 9,51853.83 3.42 0.68 10.56 5.90 39.49 51.27 0.67 12,653 70.39 4.55 0.88 13.74 42.06 SC7 StdDev 0.68 0.15 0.81 0.93 0.02 114.84 0.71 0.08 0.06 0.69 0.22 0.98 1.08 0.03 53.38 0.81 0.09 0.08 0.85 1.08 

# Trenton Channel Power Plant 1/25/2009Coal A/F Monthly-TCPP January 2009 TC 09F010720 20.02 6.17 31.6842.14 0.69 10,23457.40 3.88 0.96 10.89 7.71 39.6052.69 0.86 12,795 71.77 4.86 1.20 13.61 42.91 2/25/2009Coal A/F Monthly-TCPP February 2009 TC 09F015460 19.45 6.28 31.5542.72 0.70 10,333 59.33 3.79 0.91 9.54 7.80 39.17 53.03 0.87 12,82873.65 4.71 1.13 11.85 42.48 3/25/2009Coal A/F Monthly-TCPP March 2009 TC 09F022080 19.57 6.33 31.7142.39 0.69 10,305 58.11 3.87 1.09 10.33 7.87 39.43 52.70 0.86 12,812 72.25 4.82 1.35 12.85 42.79 5/11/2009Coal A/F Monthly-TCPP April 2009 TC 09F029930 20.79 6.27 31.7841.16 0.68 10,18856.62 3.68 0.89 11.08 7.91 40.12 51.96 0.86 12,862 71.48 4.64 1.13 13.98 43.57 5/25/2009Coal A/F Monthly-TCPP May 2009 TC 09F033130 20.61 5.71 31.8241.86 0.67 10,192 56.97 3.69 0.89 11.47 7.19 40.0852.73 0.85 12,837 71.75 4.64 1.12 14.44 43.19 6/25/2009Coal A/F Monthly-TCPP June 2009 TC 09F040190 20.35 6.09 31.6341.93 0.73 10,21857.35 3.79 0.99 10.70 7.64 39.71 52.64 0.92 12,829 72.00 4.76 1.24 13.43 43.00 7/25/2009Coal A/F Monthly-TCPP July 2009 TC 09F048710 20.78 6.3030.2942.63 0.64 10,13657.14 3.69 0.91 10.55 7.96 38.23 53.81 0.81 12,795 72.12 4.66 1.14 13.32 41.54 8/25/2009Coal A/F Monthly-TCPP August 2009 TC 09F053010 19.29 6.28 32.2442.18 0.78 10,367 58.41 3.89 0.96 10.39 7.78 39.95 52.27 0.97 12,845 72.37 4.82 1.19 12.87 43.32 9/25/2009Coal A/F Monthly-TCPP September 2009 TC 09F060040 20.93 5.65 31.4741.95 0.70 10,20857.53 3.77 0.92 10.50 7.15 39.8053.06 0.89 12,91072.75 4.77 1.16 13.28 42.86 10/25/2009Coal A/F Monthly-TCPP October 2009 TC 09F066970 21.82 5.88 31.2241.08 0.69 9,99856.84 3.77 0.96 10.04 7.52 39.93 52.55 0.88 12,789 72.70 4.83 1.23 12.84 43.18 11/25/2009Coal A/F Monthly-TCPP November 2009 TC 09F073160 20.42 5.82 31.3842.38 0.75 10,312 58.52 3.87 1.02 9.59 7.31 39.4453.26 0.94 12,95873.55 4.86 1.28 12.06 42.54 12/25/2009Coal A/F Monthly-TCPP December 2009 TC 10F002290 20.83 5.73 31.2242.21 0.72 10,22057.92 3.77 0.98 10.05 7.24 39.4453.32 0.91 12,91073.16 4.76 1.24 12.69 42.52

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 3 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf TC Count 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 TC Average 20.41 6.0431.5042.05 0.70 10,22657.68 3.79 0.96 10.43 7.59 39.5852.84 0.89 12,84872.46 4.76 1.20 13.10 42.83 TC Max 21.82 6.33 32.2442.72 0.78 10,367 59.33 3.89 1.09 11.47 7.96 40.12 53.81 0.97 12,95873.65 4.86 1.35 14.44 43.57 TC Min 19.29 5.65 30.2941.08 0.64 9,99856.62 3.68 0.89 9.54 7.15 38.23 51.96 0.81 12,789 71.48 4.64 1.12 11.85 41.54 TC StdDev 0.73 0.26 0.47 0.51 0.04 99.15 0.80 0.08 0.06 0.57 0.30 0.52 0.50 0.04 53.31 0.71 0.08 0.07 0.74 0.53 Grand Count 102 101 101 101 101 101 101 101 101 101 101 101 101 101 101 101 101 101 101 101 101 Grand Average 22.22 5.49 30.9041.39 0.54 9,911 56.15 3.69 0.84 11.08 7.00 39.85 53.14 0.68 12,723 72.11 4.74 1.07 14.39 42.84 Grand Max 28.33 9.435.07 54.33 0.89 1282671.14 4.61 1.49 13.52 10.28 44.29 58.8 1.01 13883 76.91 5.05 1.62 18.86 48.14 Grand Min 7.31 4.09 28.27 36.88 0.29 8857 50.2 2.5 0.53 5.73 5.51 31.2447.72 0.39 12137 69.42 3.48 0.74 6.18 34.77 Grand StdDev 4.66 1.24 1.06 3.77 0.17 878.28 4.48 0.29 0.20 1.57 1.21 2.45 1.96 0.18 353.89 1.56 0.17 0.18 2.61 2.37



## Mines: 1/3/2009Coal As-Shipped Fuel Supply Antelope 40778 Antelope 09F006840 25.29 4.97 31.58 38.16 0.19 9,055 51.40 3.39 0.90 13.86 6.65 42.27 51.08 0.25 12,12068.80 4.54 1.20 18.56 45.28 1/3/2009Coal As-Shipped Fuel Supply Antelope 40774 Antelope 09F006850 25.67 5.3632.1436.83 0.20 8,94652.57 3.53 0.68 11.98 7.22 43.2349.55 0.27 12,035 70.73 4.75 0.92 16.12 46.60 1/23/2009Coal As-Shipped Fuel Supply Antelope 40885 Antelope 09F016510 24.31 5.05 33.0637.58 0.26 9,11052.53 3.69 0.83 13.32 6.67 43.6849.65 0.35 12,037 69.41 4.88 1.09 17.60 46.80 1/24/2009Coal As-Shipped Fuel Supply Antelope 40887 Antelope 09F016520 23.46 5.59 33.93 37.01 0.26 9,105 52.24 3.75 0.85 13.84 7.31 44.3348.36 0.33 11,897 68.26 4.90 1.12 18.09 47.83 3/22/2009Coal As-Shipped Fuel Supply Antelope 41206 Antelope 09F029540 25.34 4.7431.52 38.40 0.22 8,943 51.54 3.52 0.58 14.05 6.35 42.22 51.43 0.30 11,979 69.03 4.72 0.77 18.82 45.08 3/23/2009Coal As-Shipped Fuel Supply Antelope 41207 Antelope 09F029550 25.65 5.03 31.0038.32 0.21 8,841 51.63 3.50 0.49 13.50 6.77 41.69 51.54 0.28 11,89069.44 4.70 0.66 18.15 44.72 3/25/2009Coal As-Shipped Fuel Supply Antelope 41209 Antelope 09F029560 26.39 5.33 35.45 32.83 0.21 8,672 50.24 3.45 0.50 13.89 7.24 48.1644.60 0.28 11,781 68.26 4.69 0.67 18.86 51.92 5/25/2009Coal As-Shipped Fuel Supply Antelope 41551 Antelope 09F048370 26.77 5.7430.6436.85 0.21 8,595 50.20 3.28 0.70 13.10 7.84 41.8450.32 0.28 11,736 68.55 4.47 0.96 17.89 45.40 5/26/2009Coal As-Shipped Fuel Supply Antelope 41552 Antelope 09F048380 26.23 5.92 30.57 37.28 0.21 8,715 50.55 3.54 0.75 12.81 8.02 41.45 50.53 0.28 11,81468.53 4.79 1.01 17.36 45.06 5/26/2009Coal As-Shipped Fuel Supply Antelope 41553 Antelope 09F048390 26.83 5.05 30.4037.71 0.19 8,69050.79 3.33 0.67 13.13 6.91 41.55 51.54 0.26 11,876 69.42 4.56 0.92 17.95 44.63 8/8/2009Coal As-Shipped Fuel Supply Antelope 41931 Antelope 09F074180 25.71 4.6632.42 37.21 0.29 8,88651.14 3.60 0.73 13.86 6.27 43.6450.09 0.39 11,962 68.84 4.85 0.99 18.66 46.56 8/10/2009Coal As-Shipped Fuel Supply Antelope Composite Antelope 09F061640 25.66 5.1031.78 37.46 0.31 8,98651.52 3.50 0.66 13.24 6.86 42.75 50.39 0.42 12,088 69.30 4.71 0.89 17.81 45.90 9/27/2009Coal As-Shipped Fuel Supply Antelope 42194 Antelope 09F074190 25.80 5.9431.2637.00 0.21 8,78450.55 3.43 0.75 13.33 8.01 42.1349.86 0.28 11,838 68.12 4.63 1.01 17.96 45.80 9/27/2009Coal As-Shipped Fuel Supply Antelope 42195 Antelope 09F074200 26.12 5.75 32.12 36.01 0.24 8,755 50.12 3.57 0.78 13.42 7.78 43.4848.74 0.32 11,85067.84 4.83 1.05 18.17 47.15 Antelope Count 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 Antelope Average 25.66 5.3031.99 37.05 0.23 8,863 51.22 3.51 0.71 13.38 7.14 43.0349.83 0.31 11,922 68.90 4.72 0.95 18.00 46.34 Antelope Max 26.83 5.9435.45 38.40 0.31 9,11052.57 3.75 0.90 14.05 8.02 48.1651.54 0.42 12,12070.73 4.90 1.20 18.86 51.92 Antelope Min 23.46 4.6630.4032.83 0.19 8,595 50.12 3.28 0.49 11.98 6.27 41.4544.60 0.25 11,736 67.84 4.47 0.66 16.12 44.63 Antelope StdDev 0.90 0.43 1.40 1.38 0.04 167.31 0.84 0.13 0.12 0.54 0.59 1.73 1.80 0.05 117.59 0.74 0.13 0.16 0.70 1.87 12/22/2008Coal As-Shipped Fuel Supply Bailey D401 Bailey 09F006820 6.20 6.81 34.0452.95 1.59 13,161 73.92 4.84 1.47 5.16 7.26 36.29 56.45 1.70 14,031 78.81 5.16 1.56 5.50 39.13 1/1/2009Coal As-Shipped Fuel Supply Bailey Enlow Fork Bailey 09F001640 6.16 6.9634.0052.89 1.68 13,13671.61 4.78 1.42 7.40 7.42 36.23 56.36 1.79 13,99876.30 5.09 1.51 7.88 39.13 2/26/2009Coal As-Shipped Fuel Supply Bailey D427 Bailey 09F022570 6.26 6.93 33.92 52.88 1.69 13,099 72.17 4.75 1.43 6.76 7.40 36.19 56.42 1.80 13,97476.99 5.07 1.53 7.22 39.08 3/23/2009Coal As-Shipped Fuel Supply Bailey D463 Bailey 09F028170 5.37 6.89 34.52 53.22 1.70 13,28472.44 4.90 1.39 7.31 7.29 36.4856.24 1.80 14,03876.55 5.18 1.46 7.72 39.34 4/12/2009Coal As-Shipped Fuel Supply Bailey D469 Bailey 09F031680 5.47 6.98 34.1053.45 1.82 13,152 72.00 4.77 1.41 7.55 7.38 36.0856.54 1.93 13,913 76.17 5.05 1.49 7.99 38.95 5/19/2009Coal As-Shipped Fuel Supply Bailey D502 Bailey 09F048550 6.37 7.13 33.31 53.19 2.05 13,012 71.42 4.74 1.39 6.90 7.61 35.57 56.81 2.19 13,89876.28 5.06 1.49 7.37 38.51 6/22/2009Coal As-Shipped Fuel Supply Bailey D527 Bailey 09F048560 6.93 6.99 33.11 52.97 1.91 12,943 70.73 4.67 1.40 7.37 7.51 35.5856.91 2.05 13,90675.99 5.02 1.51 7.92 38.47 9/23/2009Coal As-Shipped Fuel Supply Bailey D595 Bailey 09F067310 5.86 7.7033.29 53.15 1.93 13,019 72.63 4.70 1.42 5.77 8.18 35.3656.46 2.05 13,829 77.15 4.99 1.50 6.13 38.51 10/10/2009Coal As-Shipped Fuel Supply Bailey D-607 Bailey 09F072980 5.44 7.3634.19 53.01 1.84 13,173 72.32 4.52 1.33 7.20 7.78 36.1656.06 1.94 13,93076.47 4.78 1.41 7.61 39.21 Bailey Count 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 Bailey Average 6.01 7.08 33.83 53.08 1.80 13,109 72.14 4.74 1.41 6.82 7.54 35.99 56.47 1.92 13,94676.75 5.04 1.50 7.26 38.93 Bailey Max 6.93 7.7034.52 53.45 2.05 13,28473.92 4.90 1.47 7.55 8.18 36.4856.91 2.19 14,03878.81 5.18 1.56 7.99 39.34 Bailey Min 5.37 6.81 33.11 52.88 1.59 12,943 70.73 4.52 1.33 5.16 7.26 35.3656.06 1.70 13,829 75.99 4.78 1.41 5.50 38.47 Bailey StdDev 0.52 0.28 0.48 0.19 0.15 103.18 0.89 0.11 0.04 0.82 0.29 0.39 0.26 0.16 69.02 0.86 0.12 0.04 0.87 0.34 12/18/2009Coal As-Shipped Fuel Supply Berkley D649 Berkley 09F009840 9.21 10.18 27.3053.32 0.66 12,07068.58 4.33 1.26 5.78 11.21 30.07 58.72 0.73 13,293 75.54 4.77 1.39 6.36 33.87 Berkley Count 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 4 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf Berkley Average 9.21 10.18 27.3053.32 0.66 12,07068.58 4.33 1.26 5.78 11.21 30.07 58.72 0.73 13,293 75.54 4.77 1.39 6.36 33.87 Berkley Max 9.21 10.18 27.3053.32 0.66 12,07068.58 4.33 1.26 5.78 11.21 30.07 58.72 0.73 13,293 75.54 4.77 1.39 6.36 33.87 Berkley Min 9.21 10.18 27.3053.32 0.66 12,07068.58 4.33 1.26 5.78 11.21 30.07 58.72 0.73 13,293 75.54 4.77 1.39 6.36 33.87 Berkley StdDev 9/25/2009Coal As-Shipped Fuel Supply Birch Run D591 BirchRun 09F057020 4.13 8.87 32.11 54.90 1.69 13,227 73.89 4.57 1.50 5.35 9.25 33.49 57.26 1.77 13,797 77.07 4.76 1.57 5.58 36.90 BirchRun Count 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 BirchRun Average 4.13 8.87 32.11 54.90 1.69 13,227 73.89 4.57 1.50 5.35 9.25 33.49 57.26 1.77 13,797 77.07 4.76 1.57 5.58 36.90 BirchRun Max 4.13 8.87 32.11 54.90 1.69 13,227 73.89 4.57 1.50 5.35 9.25 33.49 57.26 1.77 13,797 77.07 4.76 1.57 5.58 36.90 BirchRun Min 4.13 8.87 32.11 54.90 1.69 13,227 73.89 4.57 1.50 5.35 9.25 33.49 57.26 1.77 13,797 77.07 4.76 1.57 5.58 36.90 BirchRun StdDev 1/30/2009Coal As-Shipped Fuel Supply BlackThunder 5 Gallons BlackTHunder 09F010300 23.78 4.4631.4240.34 0.28 9,46655.51 3.65 0.77 11.56 5.85 41.23 52.92 0.36 12,419 72.83 4.79 1.01 15.16 43.79 3/22/2009Coal As-Shipped Fuel Supply Black Thunder 910386 BlackTHunder 09F029590 25.73 5.18 0.33 8,99651.19 3.63 0.51 13.44 6.98 0.44 12,112 68.92 4.88 0.69 18.09 3/27/2009Coal As-Shipped Fuel Supply Black Thunder N091041 BlackTHunder 09F029570 26.12 5.21 33.8434.82 0.22 8,867 50.96 3.56 0.41 13.51 7.06 45.8147.14 0.30 12,002 68.99 4.82 0.55 18.29 49.28 3/28/2009Coal As-Shipped Fuel Supply Black Thunder 91047 BlackTHunder 09F029580 27.10 4.95 32.6035.35 0.26 8,809 50.39 3.56 0.50 13.25 6.78 44.7248.50 0.35 12,08469.13 4.89 0.68 18.17 47.97 4/24/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM060 BlackTHunder 09F032810 25.25 4.79 32.7637.21 0.26 9,141 51.96 3.68 0.62 13.44 6.41 43.8249.77 0.35 12,228 69.51 4.92 0.83 17.99 46.82 4/27/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM062 BlackTHunder 09F032820 26.86 4.55 32.25 36.33 0.28 8,933 50.79 3.54 0.57 13.40 6.23 44.1049.68 0.38 12,21469.44 4.85 0.78 18.32 47.02 4/27/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM025 BlackTHunder 09F032830 27.07 4.69 32.1036.15 0.25 8,953 50.92 3.57 0.62 12.88 6.42 44.0149.57 0.35 12,275 69.82 4.90 0.85 17.66 47.03 5/26/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM072 BlackTHunder 09F049360 26.44 5.7632.4635.34 0.22 8,799 50.47 3.55 0.52 13.06 7.82 44.1348.05 0.29 11,961 68.60 4.82 0.71 17.75 47.87 5/27/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM073 BlackTHunder 09F049370 26.33 5.21 32.98 35.47 0.24 8,88650.79 3.59 0.54 13.30 7.08 44.7748.15 0.33 12,062 68.94 4.88 0.73 18.06 48.18 6/30/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM080 BlackTHunder 09F048440 26.35 5.28 32.95 35.41 0.25 8,917 51.11 3.65 0.64 12.72 7.17 44.7448.09 0.34 12,108 69.40 4.95 0.87 17.27 48.20 9/29/2009Coal As-Shipped Fuel Supply Black Thunder CBTMPCT023 BlackTHunder 09F067360 26.32 5.42 30.7637.49 0.28 8,991 52.94 3.29 0.68 11.07 7.36 41.7650.89 0.38 12,203 71.85 4.47 0.92 15.02 45.07 9/30/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM038 BlackTHunder 09F067370 26.73 4.5631.15 37.56 0.33 9,057 53.94 3.31 0.70 10.43 6.23 42.51 51.26 0.44 12,361 73.62 4.52 0.95 14.24 45.33 10/10/2009Coal As-Shipped Fuel Supply Black Thunder CNTMCNM041 BlackTHunder 09F074150 26.74 4.93 31.63 36.70 0.35 8,92451.07 3.63 0.62 12.66 6.73 43.1850.10 0.47 12,181 69.71 4.95 0.85 17.29 46.29 10/15/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM114 BlackTHunder 09F074160 26.16 5.5631.69 36.59 0.27 8,921 50.74 3.55 0.60 13.11 7.53 42.9249.55 0.37 12,082 68.72 4.81 0.82 17.76 46.41 10/17/2009Coal As-Shipped Fuel Supply Black Thunder CBTMSUD067 BlackTHunder 09F074170 26.43 5.3431.61 36.63 0.26 8,84850.93 3.50 0.65 12.89 7.26 42.9649.78 0.36 12,025 69.22 4.76 0.88 17.52 46.32 BlackTHunder Count 15 15 15 14 14 15 15 15 15 15 15 15 14 14 15 15 15 15 15 15 14 BlackTHunder Average 26.23 5.0632.1636.53 0.27 8,967 51.58 3.55 0.60 12.71 6.86 43.6249.53 0.37 12,15469.91 4.81 0.81 17.24 46.83 BlackTHunder Max 27.10 5.7633.8440.34 0.35 9,46655.51 3.68 0.77 13.51 7.82 45.81 52.92 0.47 12,419 73.62 4.95 1.01 18.32 49.28 BlackTHunder Min 23.78 4.4630.7634.82 0.22 8,799 50.39 3.29 0.41 10.43 5.85 41.2347.14 0.29 11,961 68.60 4.47 0.55 14.24 43.79 BlackTHunder StdDev 0.83 0.39 0.84 1.40 0.04 164.86 1.45 0.11 0.09 0.94 0.55 1.26 1.51 0.05 130.75 1.55 0.14 0.12 1.31 1.45 12/30/2008Coal As-Shipped Fuel Supply Decker CDKSUD209 Decker 09F006860 24.48 4.35 31.33 39.85 0.34 9,472 53.74 3.59 0.76 12.75 5.75 41.4852.76 0.45 12,542 71.15 4.75 1.01 16.88 44.02 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD210 Decker 09F009850 25.09 4.9632.0037.95 0.34 9,227 52.73 3.45 0.68 12.76 6.62 42.72 50.66 0.46 12,317 70.38 4.60 0.90 17.03 45.74 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD004 Decker 09F009860 24.19 4.3432.45 39.02 0.29 9,471 54.06 3.59 0.71 12.82 5.72 42.8051.47 0.38 12,49471.32 4.73 0.94 16.91 45.40 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD005 Decker 09F009870 24.42 4.77 34.29 36.52 0.37 9,383 53.74 3.69 0.74 12.26 6.31 45.3748.32 0.49 12,41471.10 4.89 0.98 16.23 48.43 1/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD012 Decker 09F013990 23.92 4.25 31.6240.21 0.42 9,54054.57 4.00 0.78 12.05 5.59 41.5652.85 0.56 12,53871.73 5.26 1.02 15.84 44.02 1/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD013 Decker 09F014000 23.46 4.38 31.8740.29 0.42 9,59055.04 3.77 0.85 12.08 5.73 41.63 52.64 0.55 12,529 71.91 4.93 1.11 15.78 44.16 2/12/2009Coal As-Shipped Fuel Supply Decker CDKMSUD022 Decker 09F016530 22.59 4.58 31.8540.98 0.42 9,65455.34 3.83 1.08 12.16 5.92 41.15 52.93 0.55 12,47071.48 4.94 1.40 15.71 43.74 2/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD023 Decker 09F016540 22.95 4.62 31.3741.07 0.49 9,765 55.63 3.78 1.06 11.48 5.99 40.71 53.29 0.63 12,673 72.19 4.90 1.38 14.90 43.31 3/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD034 Decker 09F026170 25.15 3.98 29.7041.18 0.35 9,42854.11 3.55 0.78 12.10 5.32 39.67 55.01 0.47 12,595 72.28 4.74 1.04 16.16 41.90 3/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD035 Decker 09F026180 25.07 4.0630.7240.14 0.35 9,441 53.01 3.58 0.78 13.13 5.42 41.0053.57 0.47 12,601 70.75 4.78 1.04 17.53 43.36 3/3/2009Coal As-Shipped Fuel Supply Decker CDKMSUD036 Decker 09F026190 25.44 4.2429.5840.74 0.36 9,342 52.79 3.46 0.79 12.92 5.68 39.67 54.64 0.49 12,529 70.80 4.64 1.06 17.33 42.06 5/4/2009Coal As-Shipped Fuel Supply Decker CDKMSUD052 Decker 09F033310 24.85 4.39 29.0041.76 0.33 9,40053.95 3.47 0.90 12.11 5.84 38.59 55.57 0.44 12,50871.79 4.61 1.20 16.12 40.98 5/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD057 Decker 09F033320 24.42 4.38 29.3641.85 0.32 9,48054.19 3.47 0.92 12.29 5.79 38.8455.36 0.43 12,542 71.70 4.59 1.22 16.26 41.23 5/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD058 Decker 09F033330 25.15 4.0429.3641.45 0.32 9,239 54.13 3.47 0.90 11.98 5.40 39.23 55.37 0.43 12,343 72.32 4.64 1.21 16.00 41.46 7/9/2009Coal As-Shipped Fuel Supply Decker CDKMSUD070 Decker 09F048510 25.20 5.06 29.4340.32 0.48 9,32653.08 3.54 0.91 11.74 6.76 39.3453.90 0.64 12,467 70.96 4.73 1.22 15.70 42.19 7/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD071 Decker 09F048520 25.07 4.63 27.9742.32 0.41 9,36453.19 3.57 0.79 12.32 6.19 37.33 56.48 0.55 12,49870.99 4.77 1.06 16.45 39.80 7/11/2009Coal As-Shipped Fuel Supply Decker CDKMSUD072 Decker 09F048530 25.10 4.96 28.2441.70 0.52 9,35653.26 3.58 0.72 11.87 6.62 37.7055.68 0.69 12,491 71.11 4.77 0.97 15.84 40.38 7/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD086 Decker 09F051030 23.64 3.57 31.4241.37 0.39 9,647 55.00 3.74 0.96 12.70 4.67 41.15 54.18 0.52 12,633 72.02 4.90 1.26 16.63 43.16 7/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD087 Decker 09F051040 24.17 3.78 31.3340.72 0.46 9,592 54.69 3.71 0.94 12.24 4.98 41.32 53.70 0.61 12,65072.13 4.90 1.24 16.14 43.49 7/28/2009Coal As-Shipped Fuel Supply Decker CDKMSUD080 Decker 09F049780 23.69 4.15 0.38 9,62054.69 3.76 0.83 12.50 5.44 0.50 12,60671.67 4.92 1.08 16.39

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 5 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf 9/6/2009Coal As-Shipped Fuel Supply Decker Split for Progression Decker 09F058400 24.74 3.92 30.1641.19 0.41 9,455 53.95 3.54 0.97 12.47 5.21 40.07 54.72 0.55 12,563 71.68 4.71 1.29 16.57 42.27 9/7/2009Coal As-Shipped Fuel Supply Decker CDKMSUD089 Decker 09F053120 23.09 3.6432.4340.84 0.46 9,739 54.90 3.89 0.92 13.09 4.74 42.17 53.10 0.60 12,663 71.39 5.05 1.20 17.02 44.26 11/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD120 Decker 09F073550 23.67 4.1432.0340.16 0.26 9,68855.29 3.71 0.93 12.00 5.42 41.97 52.61 0.34 12,692 72.44 4.86 1.22 15.72 44.37 11/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD121 Decker 09F073560 23.48 4.05 32.2440.22 0.28 9,73854.99 3.88 0.88 12.44 5.29 42.1452.57 0.37 12,727 71.86 5.07 1.16 16.25 44.49 40120.00Coal As-Shipped Fuel Supply Decker CDKMSUD122 Decker 09F073570 23.62 4.05 32.0440.29 0.389685.0054.77 3.69 0.83 12.66 5.30 41.95 52.75 0.5012680.0071.71 4.83 1.09 16.58 44.29 Decker Count 25 25 25 24 24 25 25 25 25 25 25 25 24 24 25 25 25 25 25 25 24 Decker Average 24.27 4.29 30.9140.51 0.38 9,50654.19 3.65 0.86 12.36 5.67 40.82 53.51 0.51 12,551 71.55 4.82 1.13 16.32 43.27 Decker Max 25.44 5.0634.2942.32 0.52 9,765 55.63 4.00 1.08 13.13 6.76 45.37 56.48 0.69 12,727 72.44 5.26 1.40 17.53 48.43 Decker Min 22.59 3.57 27.97 36.52 0.26 9,227 52.73 3.45 0.68 11.48 4.67 37.3348.32 0.34 12,317 70.38 4.59 0.90 14.90 39.80 Decker StdDev 0.82 0.40 1.55 1.27 0.07 158.66 0.85 0.15 0.10 0.42 0.54 1.81 1.79 0.09 104.54 0.55 0.16 0.13 0.59 1.90 8/24/2009Coal As-Shipped Fuel Supply Fork Creek D569 ForkCreek 09F067340 5.33 10.37 32.1052.19 1.00 12,54070.41 4.61 1.39 6.90 10.95 33.91 55.13 1.05 13,24674.37 4.87 1.47 7.29 38.08 ForkCreek Count 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ForkCreek Average 5.33 10.37 32.1052.19 1.00 12,54070.41 4.61 1.39 6.90 10.95 33.91 55.13 1.05 13,24674.37 4.87 1.47 7.29 38.08 ForkCreek Max 5.33 10.37 32.1052.19 1.00 12,54070.41 4.61 1.39 6.90 10.95 33.91 55.13 1.05 13,24674.37 4.87 1.47 7.29 38.08 ForkCreek Min 5.33 10.37 32.1052.19 1.00 12,54070.41 4.61 1.39 6.90 10.95 33.91 55.13 1.05 13,24674.37 4.87 1.47 7.29 38.08 ForkCreek StdDev 1/25/2009Coal As-Shipped Fuel Supply Goals D415 Goals 09F014220 7.30 9.89 26.8855.92 1.33 12,569 69.99 4.47 1.24 5.77 10.67 29.0060.33 1.44 13,56075.50 4.82 1.33 6.23 32.46 3/22/2009Coal As-Shipped Fuel Supply Goals D-459 Goals 09F028920 7.28 9.67 27.7655.29 1.27 12,735 69.88 4.38 1.21 6.31 10.42 29.9459.64 1.37 13,73675.37 4.73 1.30 6.81 33.42 5/17/2009Coal As-Shipped Fuel Supply Goals Goals 09F035020 6.34 9.38 27.93 56.36 1.32 12,911 71.97 4.45 1.17 5.37 10.02 29.81 60.17 1.41 13,78476.84 4.75 1.25 5.73 33.13 6/19/2009Coal As-Shipped Fuel Supply Goals D519 Goals 09F046990 6.14 7.18 28.29 58.38 1.35 13,343 74.15 4.58 1.34 5.24 7.65 30.1462.21 1.43 14,217 79.01 4.88 1.43 5.59 32.64 9/15/2009Coal As-Shipped Fuel Spply Goals D587 Goals 09F066830 6.99 7.9432.0053.06 0.90 12,747 70.91 4.57 1.54 7.14 8.54 34.41 57.05 0.96 13,70676.25 4.91 1.65 7.68 37.62 Goals Count 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Goals Average 6.81 8.81 28.57 55.80 1.23 12,861 71.38 4.49 1.30 5.97 9.46 30.6659.88 1.32 13,801 76.59 4.82 1.39 6.41 33.85 Goals Max 7.30 9.89 32.0058.38 1.35 13,343 74.15 4.58 1.54 7.14 10.67 34.41 62.21 1.44 14,217 79.01 4.91 1.65 7.68 37.62 Goals Min 6.14 7.18 26.8853.06 0.90 12,569 69.88 4.38 1.17 5.24 7.65 29.0057.05 0.96 13,56075.37 4.73 1.25 5.59 32.46 Goals StdDev 0.54 1.19 1.99 1.92 0.19 295.36 1.76 0.08 0.15 0.78 1.31 2.14 1.86 0.20 247.32 1.48 0.08 0.16 0.86 2.14 1/27/2009Coal As-Shipped Fuel Supply Independence D419 Independence 09F016280 5.88 9.2032.02 52.91 0.96 12,871 72.28 4.89 1.34 5.46 9.77 34.01 56.22 1.02 13,675 76.80 5.19 1.42 5.80 37.70 Independence Count 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Independence Average 5.88 9.2032.02 52.91 0.96 12,871 72.28 4.89 1.34 5.46 9.77 34.01 56.22 1.02 13,675 76.80 5.19 1.42 5.80 37.70 Independence Max 5.88 9.2032.02 52.91 0.96 12,871 72.28 4.89 1.34 5.46 9.77 34.01 56.22 1.02 13,675 76.80 5.19 1.42 5.80 37.70 Independence Min 5.88 9.2032.02 52.91 0.96 12,871 72.28 4.89 1.34 5.46 9.77 34.01 56.22 1.02 13,675 76.80 5.19 1.42 5.80 37.70 Independence StdDev 4/30/2009Coal As-Shipped Fuel Supply Jacob's Ranch 5 Gal JacobsRanch 09F028550 27.89 4.01 32.82 35.28 0.29 8,87850.28 3.68 0.57 13.29 5.56 45.5248.92 0.40 12,312 69.72 5.10 0.79 18.42 48.20 6/29/2009Coal As-Shipped Fuel Supply Jacob's Ranch JRMCNM034 JacobsRanch 09F048420 27.98 4.97 32.97 34.08 0.36 8,72749.72 3.66 0.70 12.61 6.90 45.7847.32 0.49 12,117 69.04 5.08 0.97 17.51 49.17 JacobRanch Count 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 JacobRanch Average 27.94 4.49 32.9034.68 0.33 8,803 50.00 3.67 0.64 12.95 6.23 45.6548.12 0.45 12,215 69.38 5.09 0.88 17.97 48.69 JacobRanch Max 27.98 4.97 32.97 35.28 0.36 8,87850.28 3.68 0.70 13.29 6.90 45.7848.92 0.49 12,312 69.72 5.10 0.97 18.42 49.17 JacobRanch Min 27.89 4.01 32.82 34.08 0.29 8,72749.72 3.66 0.57 12.61 5.56 45.5247.32 0.40 12,117 69.04 5.08 0.79 17.51 48.20 JacobRanch StdDev 0.06 0.68 0.11 0.85 0.05 106.77 0.40 0.01 0.09 0.48 0.95 0.18 1.13 0.06 137.89 0.48 0.01 0.13 0.64 0.69 12/21/2008Coal As-Shipped Fuel Supply ICG Knott D648 Knott 09F006780 6.18 8.8633.25 51.71 1.31 12,743 70.29 4.73 1.39 7.25 9.44 35.4455.12 1.39 13,582 74.92 5.04 1.48 7.73 39.14 1/30/2009Coal As-Shipped Fuel Supply ICG Knott D413 Knott 09F014040 7.29 9.2632.59 50.87 1.43 12,47069.91 4.60 1.41 6.11 9.98 35.15 54.87 1.54 13,45075.40 4.96 1.53 6.59 39.05 2/25/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F022520 7.01 9.5032.7450.75 1.33 12,542 68.80 4.69 1.46 7.21 10.22 35.21 54.57 1.43 13,487 73.99 5.04 1.57 7.76 39.22 3/26/2009Coal As-Shipped Fuel Supply ICG Knott D465 Knott 09F027380 5.82 8.7633.83 51.59 1.42 13,202 71.30 4.80 1.42 6.49 9.30 35.92 54.78 1.51 14,01875.70 5.10 1.50 6.89 39.60 4/24/2009Coal As-Shipped Fuel Supply ICG Knott D-489 Knott 09F031970 5.32 8.92 33.7851.98 1.37 12,901 71.00 4.77 1.41 7.21 9.42 35.6854.90 1.45 13,625 74.99 5.04 1.49 7.61 39.39 5/14/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F035010 5.53 8.5633.63 52.29 1.39 12,84471.15 4.81 1.37 7.20 9.06 35.6055.35 1.47 13,59675.31 5.09 1.46 7.62 39.14 6/30/2009Coal As-Shipped Fuel Supply ICG Knott D529 Knott 09F047020 6.21 8.33 33.55 51.92 1.38 12,789 70.35 4.77 1.45 7.53 8.88 35.77 55.35 1.47 13,635 75.00 5.09 1.54 8.03 39.25 9/26/2009Coal As-Shipped Fuel Supply ICG Knott D590 Knott 09F066810 5.81 8.71 32.9052.58 1.37 12,805 71.57 4.62 1.38 6.56 9.24 34.93 55.83 1.45 13,59475.98 4.90 1.46 6.96 38.49 10/12/2009Coal As-Shipped Fuel Supply ICG Knott County D-605 Knott 09F072970 6.32 8.49 33.5851.61 1.42 12,753 70.33 4.72 1.41 7.32 9.06 35.85 55.09 1.52 13,612 75.07 5.04 1.50 7.81 39.42 Knott Count 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 Knott Average 6.17 8.82 33.32 51.70 1.38 12,783 70.52 4.72 1.41 6.99 9.40 35.51 55.10 1.47 13,622 75.15 5.03 1.50 7.44 39.19

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 6 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf Knott Max 7.29 9.5033.83 52.58 1.43 13,202 71.57 4.81 1.46 7.53 10.22 35.92 55.83 1.54 14,01875.98 5.10 1.57 8.03 39.60 Knott Min 5.32 8.33 32.59 50.75 1.31 12,47068.80 4.60 1.37 6.11 8.88 34.93 54.57 1.39 13,45073.99 4.90 1.46 6.59 38.49 Knott StdDev 0.6488670.37080.46620.5980.0409209.84390.85050.07480.02980.47670.439890.344420.37660.0472161.23080.56260.06540.03710.49850.31227 12/22/2008Coal As-Shipped Fuel Supply Long Fork MIM60 LongFork 09F003970 5.75 8.68 42.01 1.07 12,83871.73 4.76 1.41 6.60 9.21 46.2244.57 1.14 13,621 76.11 5.05 1.49 7.01 50.91 2/26/2009Coal As-Shipped Fuel Supply Long Fork MIM 30 LongFork 09F022560 5.40 8.41 34.49 51.70 1.26 12,909 70.74 4.79 1.44 7.97 8.89 36.45 54.65 1.33 13,64674.78 5.06 1.52 8.42 40.01 3/27/2009Coal As-Shipped Fuel Supply Long Fork mim57 LongFork 09F028910 6.28 9.18 34.8749.67 1.18 12,643 69.79 4.76 1.40 7.41 9.80 37.2053.00 1.25 13,49074.46 5.07 1.50 7.91 41.24 4/17/2009Coal As-Shipped Fuel Supply Long Fork MIM10 LongFork 09F032460 6.50 9.62 33.72 50.16 1.33 12,55468.72 4.70 1.33 7.79 10.29 36.0653.65 1.43 13,42673.50 5.03 1.42 8.33 40.20 9/22/2009Coal As-Shipped Fuel Supply Long Fork MIM52 LongFork 09F067330 5.65 8.95 32.8452.55 1.28 12,767 71.33 4.69 1.45 6.66 9.49 34.81 55.70 1.36 13,532 75.60 4.97 1.53 7.05 38.46 12/27/2009Coal As-Shipped Fuel Supply Long Fork MIM40 LongFork 09F008180 6.37 7.98 33.82 51.83 1.14 12,789 71.73 4.96 1.32 6.50 8.52 36.12 55.36 1.22 13,659 76.61 5.29 1.41 6.95 39.49 LongFork Count 6 6 6 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 LongFork Average 5.99 8.8033.9549.65 1.21 12,75070.67 4.78 1.39 7.16 9.37 37.81 52.82 1.29 13,562 75.18 5.08 1.48 7.61 41.72 LongFork Max 6.50 9.62 34.87 52.55 1.33 12,909 71.73 4.96 1.45 7.97 10.29 46.22 55.70 1.43 13,659 76.61 5.29 1.53 8.42 50.91 LongFork Min 5.40 7.98 32.8442.01 1.07 12,55468.72 4.69 1.32 6.50 8.52 34.8144.57 1.14 13,42673.50 4.97 1.41 6.95 38.46 LongFork StdDev 0.45 0.58 0.78 3.90 0.10 130.15 1.21 0.10 0.05 0.65 0.64 4.19 4.17 0.10 94.37 1.15 0.11 0.05 0.69 4.59 3/1/2009Coal As-Shipped Fuel Supply Marfork Marfork 09F022500 6.83 10.77 27.31 55.09 1.14 12,621 69.90 4.38 1.27 5.71 11.56 29.32 59.13 1.22 13,54675.02 4.70 1.37 6.13 33.15 Marfork Count 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Marfork Average 6.83 10.77 27.31 55.09 1.14 12,621 69.90 4.38 1.27 5.71 11.56 29.32 59.13 1.22 13,54675.02 4.70 1.37 6.13 33.15 Marfork Max 6.83 10.77 27.31 55.09 1.14 12,621 69.90 4.38 1.27 5.71 11.56 29.32 59.13 1.22 13,54675.02 4.70 1.37 6.13 33.15 Marfork Min 6.83 10.77 27.31 55.09 1.14 12,621 69.90 4.38 1.27 5.71 11.56 29.32 59.13 1.22 13,54675.02 4.70 1.37 6.13 33.15 Marfork StdDev 3/12/2009Coal As-Shipped Fuel Supply Mountain Laurel D450 Mountain Laural 09F031690 6.24 12.12 30.02 51.63 0.89 12,293 68.89 4.47 1.27 6.13 12.92 32.01 55.06 0.94 13,111 73.47 4.77 1.35 6.54 36.76 5/22/2009Coal As-Shipped Fuel Supply Mountain Laurel D 505 Mountain Laural 09F035030 5.52 12.07 30.41 52.00 0.87 12,499 70.18 4.55 1.18 5.63 12.78 32.19 55.03 0.92 13,229 74.29 4.81 1.25 5.96 36.90 6/27/2009Coal As-Shipped Fuel Supply Mountain Laurel D526 Mountain Laural 09F049400 6.15 12.22 30.1651.46 0.89 12,436 68.95 4.44 1.28 6.07 13.02 32.1454.84 0.95 13,251 73.47 4.74 1.36 6.47 36.95 9/22/2009Coal As-Shipped Fuel Supply Mt. Laurel D588 Mountain Laural 09F067300 4.20 7.6032.87 55.34 0.97 13,522 75.18 4.81 1.46 5.79 7.93 34.31 57.76 1.02 14,11478.47 5.02 1.52 6.04 37.26 Mountain Laural Count 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Mountain Laural Average 5.53 11.0030.87 52.61 0.91 12,68870.80 4.57 1.30 5.91 11.66 32.6655.67 0.96 13,42674.93 4.84 1.37 6.25 36.97 Mountain Laural Max 6.24 12.22 32.87 55.34 0.97 13,522 75.18 4.81 1.46 6.13 13.02 34.31 57.76 1.02 14,11478.47 5.02 1.52 6.54 37.26 Mountain Laural Min 4.20 7.6030.02 51.46 0.87 12,293 68.89 4.44 1.18 5.63 7.93 32.01 54.84 0.92 13,111 73.47 4.74 1.25 5.96 36.76 Mountain Laural StdDev 0.94 2.27 1.35 1.84 0.04 562.97 2.98 0.17 0.12 0.24 2.49 1.10 1.40 0.04 462.60 2.39 0.13 0.11 0.29 0.21 2/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD09A NorthAntelope 09F014050 26.88 4.68 32.89 35.54 0.21 8,822 51.05 3.42 0.57 13.19 6.40 44.9948.61 0.28 12,066 69.82 4.67 0.78 18.04 48.07 2/17/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO08A NorthAntelope 09F026910 27.33 4.3431.78 36.54 0.19 8,825 50.69 3.61 0.60 13.23 5.98 43.7450.28 0.26 12,145 69.75 4.97 0.83 18.21 46.52 3/2/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO09A NorthAntelope 09F026200 26.40 4.85 32.5036.25 0.24 8,83650.55 3.53 0.61 13.82 6.59 44.1649.26 0.32 12,006 68.69 4.80 0.82 18.78 47.27 4/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD061A NorthAntelope 09F026920 26.91 4.77 31.52 36.80 0.21 8,87650.99 3.59 0.63 12.90 6.53 43.13 50.34 0.29 12,14469.77 4.92 0.86 17.65 46.14 4/9/2009Coal As-Shipped Fuel Supply North Antelope NAMSUD068A NorthAntelope 09F032470 25.60 4.4432.55 37.41 0.21 9,15652.42 3.77 0.51 13.05 5.96 43.75 50.29 0.29 12,30670.45 5.07 0.69 17.54 46.53 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO23A NorthAntelope 09F033250 26.77 4.93 31.55 36.75 0.20 8,842 51.09 3.46 0.65 12.90 6.74 43.0850.19 0.27 12,07469.77 4.72 0.89 17.62 46.19 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO22A NorthAntelope 09F033260 26.87 4.63 31.49 37.01 0.15 8,86051.30 3.48 0.67 12.89 6.33 43.0650.61 0.21 12,11670.16 4.76 0.92 17.63 45.97 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO21A NorthAntelope 09F033270 27.71 4.47 31.82 36.00 0.18 8,78849.85 3.51 0.61 13.67 6.18 44.0249.80 0.25 12,156 68.97 4.85 0.84 18.91 46.92 6/26/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT028A NorthAntelope 09F049740 27.48 4.87 0.19 8,74850.40 3.46 0.56 13.04 6.71 0.26 12,062 69.50 4.78 0.78 17.98 6/30/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT029A North Antelope 09F049750 27.44 4.53 0.18 8,799 50.62 3.50 0.57 13.17 6.24 0.24 12,126 69.76 4.82 0.78 18.15 7/4/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT030A North Antelope 09F049760 27.39 4.51 0.19 8,83850.73 3.52 0.56 13.09 6.21 0.26 12,172 69.87 4.85 0.78 18.03 10/6/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO41A NorthAntelope 09F073020 26.88 4.91 31.87 36.34 0.21 8,85450.34 3.43 0.46 13.76 6.71 43.5949.70 0.29 12,11068.85 4.70 0.64 18.82 46.73 10/9/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD248A NorthAntelope 09F073030 26.99 4.3635.15 33.51 0.21 8,877 50.81 3.38 0.43 13.82 5.97 48.1445.89 0.29 12,158 69.59 4.62 0.60 18.93 51.20 11/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO48A NorthAntelope 09F073010 26.91 4.5432.1036.45 0.20 8,91050.95 3.41 0.47 13.51 6.22 43.9249.87 0.27 12,19069.71 4.67 0.64 18.49 46.83 NorthAntelope Count 14 14 14 11 11 14 14 14 14 14 14 14 11 11 14 14 14 14 14 14 11 NorthAntelope Average 26.97 4.63 32.29 36.24 0.20 8,859 50.84 3.51 0.56 13.29 6.34 44.1449.53 0.27 12,131 69.62 4.80 0.78 18.20 47.12 NorthAntelope Max 27.71 4.93 35.15 37.41 0.24 9,15652.42 3.77 0.67 13.82 6.74 48.1450.61 0.32 12,30670.45 5.07 0.92 18.93 51.20 NorthAntelope Min 25.60 4.3431.49 33.51 0.15 8,74849.85 3.38 0.43 12.89 5.96 43.0645.89 0.21 12,006 68.69 4.62 0.60 17.54 45.97 NorthAntelope StdDev 0.53 0.21 1.05 1.03 0.02 94.54 0.58 0.10 0.07 0.35 0.28 1.44 1.33 0.03 71.28 0.49 0.13 0.10 0.51 1.47 12/15/2008Coal As-Shipped Fuel Supply Perry County D646 Perry 09F006810 7.03 7.99 32.5852.41 0.75 12,741 72.04 4.74 1.58 5.88 8.59 35.0456.37 0.81 13,70477.49 5.10 1.70 6.32 38.33 6/13/2009Coal As-Shipped Fuel Supply Perry Coal Perry 09F035000 7.19 7.23 32.79 52.79 0.98 12,85471.55 4.79 1.45 6.82 7.79 35.33 56.88 1.06 13,85077.09 5.16 1.56 7.34 38.32

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 7 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf 6/30/2009Coal As-Shipped Fuel Supply Perry D524 Perry 09F046980 6.50 7.27 32.97 53.26 0.85 12,95871.70 4.87 1.60 7.22 7.77 35.2656.96 0.91 13,85876.68 5.20 1.71 7.72 38.23 9/11/2009Coal As-Shipped Fuel Supply Perry D581 Perry 09F066850 7.59 8.39 33.67 50.36 1.48 12,491 68.66 4.44 1.36 8.09 9.08 36.43 54.49 1.60 13,517 74.29 4.81 1.47 8.75 40.07 10/12/2009Coal As-Shipped Fuel Supply Perry D-614 Perry 09F072960 6.63 6.68 33.1453.55 0.59 12,99672.45 4.54 1.57 7.54 7.16 35.49 57.35 0.63 13,919 77.59 4.86 1.68 8.07 38.23 Perry Count 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Perry Average 6.99 7.51 33.03 52.47 0.93 12,80871.28 4.68 1.51 7.11 8.08 35.51 56.41 1.00 13,77076.63 5.03 1.62 7.64 38.64 Perry Max 7.59 8.39 33.67 53.55 1.48 12,99672.45 4.87 1.60 8.09 9.08 36.43 57.35 1.60 13,919 77.59 5.20 1.71 8.75 40.07 Perry Min 6.50 6.68 32.5850.36 0.59 12,491 68.66 4.44 1.36 5.88 7.16 35.0454.49 0.63 13,517 74.29 4.81 1.47 6.32 38.23 Perry StdDev 0.44 0.68 0.41 1.26 0.34 203.06 1.51 0.18 0.10 0.83 0.76 0.54 1.13 0.37 161.79 1.36 0.18 0.11 0.90 0.80 12/16/2008Coal As-Shipped Fuel Supply Pevler Pevler 09F000900 6.98 7.8633.6651.50 1.32 12,635 70.07 4.74 1.44 7.60 8.45 36.1855.36 1.41 13,583 75.33 5.09 1.54 8.17 39.52 12/30/2008Coal As-Shipped Fuel Supply Pevler MIM43 Pevler 09F006830 6.93 9.51 33.6049.96 1.38 12,327 70.29 4.68 1.43 5.78 10.22 36.1053.68 1.48 13,24475.52 5.03 1.54 6.21 40.21 1/30/2009Coal As-Shipped Fuel Supply Pevler MIM80 Pevler 09F014010 6.58 8.67 34.7050.06 1.41 12,527 70.71 4.85 1.43 6.35 9.28 37.1453.58 1.51 13,409 75.69 5.19 1.53 6.80 40.94 2/26/2009Coal As-Shipped Fuel Supply Pevler D454 Pevler 09F022540 5.98 8.99 34.31 50.72 1.49 12,62069.00 4.74 1.43 8.38 9.56 36.49 53.95 1.58 13,422 73.39 5.04 1.52 8.91 40.35 3/29/2009Coal As-Shipped Fuel Supply Pevler mim97 Pevler 09F028950 5.99 8.23 35.6450.15 1.57 12,797 69.56 4.84 1.41 8.41 8.75 37.91 53.34 1.67 13,612 73.99 5.15 1.50 8.94 41.55 4/23/2009Coal As-Shipped Fuel Supply Pevler MIM04 Pevler 09F032780 6.27 8.32 34.6450.78 1.47 12,708 69.67 4.76 1.43 8.08 8.88 36.95 54.17 1.57 13,55874.33 5.08 1.53 8.62 40.55 5/28/2009Coal As-Shipped Fuel Supply Pevler MIT84 Pevler 09F049340 6.86 9.82 33.9049.43 1.59 12,309 68.24 4.50 1.31 7.68 10.54 36.39 53.06 1.71 13,215 73.26 4.83 1.41 8.25 40.68 6/27/2009Coal As-Shipped Fuel Supply Pevler MIM94 Pevler 09F048540 7.15 8.9432.8051.10 1.40 12,383 68.48 4.64 1.38 8.00 9.63 35.33 55.04 1.51 13,33673.75 5.00 1.49 8.61 39.10 8/3/2009Coal As-Shipped Fuel Supply Pevler MIM 39 Pevler 09F061650 7.01 8.68 34.17 50.14 1.53 12,495 68.88 4.69 1.39 7.80 9.34 36.75 53.92 1.65 13,43874.08 5.05 1.50 8.39 40.53 9/29/2009Coal As-Shipped Fuel Supply Pevler MIM58 Pevler 09F066820 5.03 8.5428.49 57.94 1.70 13,17073.75 4.33 1.19 5.45 8.99 30.0061.01 1.79 13,86877.66 4.56 1.26 5.74 32.96 10/29/2009Coal As-Shipped Fuel Supply Pevler MIM 97 Pevler 09F072950 6.09 9.1434.5650.21 1.40 12,58469.25 4.55 1.41 8.16 9.73 36.8053.46 1.49 13,40073.74 4.85 1.51 8.69 40.77 Pevler Count 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 Pevler Average 6.44 8.79 33.6851.09 1.48 12,596 69.81 4.67 1.39 7.43 9.40 36.0054.60 1.58 13,462 74.61 4.99 1.48 7.94 39.74 Pevler Max 7.15 9.82 35.6457.94 1.70 13,17073.75 4.85 1.44 8.41 10.54 37.91 61.01 1.79 13,86877.66 5.19 1.54 8.94 41.55 Pevler Min 5.03 7.86 28.4949.43 1.32 12,309 68.24 4.33 1.19 5.45 8.45 30.0053.06 1.41 13,215 73.26 4.56 1.26 5.74 32.96 Pevler StdDev 0.64 0.57 1.87 2.34 0.11 244.89 1.51 0.15 0.07 1.06 0.63 2.10 2.24 0.11 185.59 1.32 0.18 0.08 1.14 2.34 12/28/2008Coal As-Shipped Fuel Supply Premeir Elkhorn D404 PremierElkhorn 09F006790 6.57 9.2432.9051.29 1.51 12,552 70.16 4.69 1.39 6.44 9.89 35.22 54.89 1.62 13,435 75.09 5.02 1.48 6.89 39.08 2/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D437 PremierElkhorn 09F022550 5.82 8.3434.67 51.17 1.74 12,875 69.28 4.78 1.43 8.61 8.86 36.81 54.33 1.85 13,671 73.56 5.07 1.52 9.15 40.39 3/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-468 PremierElkhorn 09F028940 6.14 7.31 35.2851.28 1.70 12,97670.91 4.85 1.41 7.68 7.79 37.5854.63 1.81 13,82675.55 5.16 1.50 8.19 40.76 4/26/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D490 PremierElkhorn 09F032790 5.99 8.42 33.93 51.67 1.68 12,887 70.84 4.80 1.41 6.86 8.95 36.09 54.96 1.79 13,70875.36 5.11 1.50 7.30 39.63 5/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D506 PremierElkhorn 09F047030 6.04 8.12 33.97 51.88 1.50 12,887 70.83 4.77 1.41 7.33 8.64 36.15 55.21 1.60 13,715 75.38 5.08 1.50 7.80 39.57 6/20/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D518 PremierElkhorn 09F048580 12.82 7.51 1.46 11,998 8.62 1.68 13,761 9/30/2009Coal As-Shipped Fuel Supply Premier Elkhorn D598 PremierElkhorn 09F066840 5.63 7.79 33.8052.78 1.45 13,049 71.76 4.70 1.38 7.28 8.25 35.81 55.93 1.54 13,827 76.04 4.98 1.47 7.72 39.03 9/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-598 PremierElkhorn 09F072990 5.30 7.6634.8452.20 1.42 13,01472.09 4.79 1.38 7.37 8.09 36.79 55.12 1.50 13,742 76.12 5.06 1.45 7.78 40.03 10/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-611 PremierElkhorn 09F073000 6.21 7.8433.67 52.29 1.50 12,82870.82 4.18 1.26 8.20 8.35 35.9055.74 1.60 13,677 75.51 4.46 1.34 8.74 39.17 PremierElkhorn Count 9 9 9 8 8 9 9 8 8 8 8 9 8 8 9 9 8 8 8 8 8 PremierElkhorn Average 6.72 8.03 34.13 51.82 1.55 12,785 70.84 4.70 1.38 7.47 8.60 36.29 55.10 1.67 13,707 75.33 4.99 1.47 7.95 39.71 PremierElkhorn Max 12.82 9.2435.2852.78 1.74 13,049 72.09 4.85 1.43 8.61 9.89 37.5855.93 1.85 13,827 76.12 5.16 1.52 9.15 40.76 PremierElkhorn Min 5.30 7.31 32.9051.17 1.42 11,998 69.28 4.18 1.26 6.44 7.79 35.22 54.33 1.50 13,435 73.56 4.46 1.34 6.89 39.03 PremierElkhorn StdDev 2.31 0.59 0.76 0.57 0.12 328.45 0.87 0.21 0.05 0.69 0.61 0.73 0.53 0.12 116.70 0.79 0.22 0.06 0.73 0.64 1/27/2009Coal As-Shipped Fuel Supply Saphire D416 Sapphire 09F010310 6.53 7.41 34.1851.88 1.56 13,025 71.20 4.85 1.41 7.04 7.92 36.57 55.51 1.67 13,93676.18 5.18 1.51 7.54 39.72 2/8/2009Coal As-Shipped Fuel Supply Saphire D426 Sapphire 09F014020 6.02 7.0434.32 52.62 1.57 13,137 73.56 4.89 1.42 5.50 7.49 36.52 55.99 1.67 13,979 78.28 5.20 1.51 5.85 39.48 3/16/2009Coal As-Shipped Fuel Supply Saphire D454 Sapphire 09F022530 6.69 7.4633.65 52.20 1.50 13,02671.16 4.77 1.43 6.99 8.00 36.0655.95 1.60 13,96076.26 5.11 1.54 7.49 39.19 4/20/2009Coal As-Shipped Fuel Supply Sapphire D480 Sapphire 09F028190 5.94 7.4434.41 52.21 1.50 13,09071.22 4.89 1.42 7.59 7.91 36.59 55.50 1.59 13,91675.72 5.20 1.51 8.07 39.73 6/9/2009Coal As-Shipped Fuel Supply Saphire D515 Sapphire 09F049410 6.52 6.92 34.3452.22 1.60 13,091 72.06 4.77 1.38 6.75 7.41 36.73 55.86 1.71 14,005 77.09 5.10 1.48 7.22 39.67 6/26/2009Coal As-Shipped Fuel Supply Sapphire D521 Sapphire 09F047000 6.74 7.8433.2452.18 1.69 12,92471.22 4.78 1.44 6.30 8.41 35.6455.96 1.81 13,85876.36 5.13 1.54 6.75 38.91 7/20/2009Coal As-Shipped Fuel Supply Sapphire D543 Sapphire 09F047010 6.57 7.71 33.8051.91 1.61 13,01071.80 4.84 1.43 6.04 8.26 36.1855.56 1.72 13,925 76.85 5.18 1.53 6.46 39.44 8/27/2009Coal As-Shipped Fuel Supply Saphire D568 Sapphire 09F067350 4.45 7.4432.5855.53 0.95 13,509 75.18 4.85 1.43 5.69 7.79 34.1058.12 0.99 14,139 78.68 5.08 1.50 5.96 36.98 9/24/2009Coal As-Shipped Fuel Supply Saphire D594 Sapphire 09F066800 6.16 6.78 33.57 53.49 1.57 13,14472.81 4.58 1.43 6.67 7.23 35.77 57.00 1.68 14,00677.59 4.88 1.52 7.11 38.56 11/16/2009Coal As-Shipped Fuel Supply Saphire D622 Sapphire 09F072940 7.01 6.97 34.09 51.93 1.58 12,949 70.85 4.69 1.45 7.45 7.49 36.6655.84 1.70 13,92676.19 5.04 1.56 8.01 39.63 12/6/2009Coal As-Shipped Fuel Supply Saphire D 641 Sapphire 09F074400 7.04 6.53 34.59 51.84 1.62 13,15872.03 4.74 1.38 6.66 7.02 37.21 55.77 1.75 14,155 77.49 5.10 1.48 7.16 40.02 12/11/2008Coal As-Shipped Fuel Supply Saphire D645 Sapphire 09F003990 6.33 7.27 1.60 13,129 67.40 4.70 1.37 11.32 7.76 1.71 14,017 71.96 5.01 1.47 12.09

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 8 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf Sapphire Count 12 12 12 11 11 12 12 12 12 12 12 12 11 11 12 12 12 12 12 12 11 Sapphire Average 6.33 7.23 33.89 52.55 1.53 13,099 71.71 4.78 1.42 7.00 7.72 36.1856.10 1.63 13,985 76.55 5.10 1.51 7.48 39.21 Sapphire Max 7.04 7.8434.59 55.53 1.69 13,509 75.18 4.89 1.45 11.32 8.41 37.21 58.12 1.81 14,155 78.68 5.20 1.56 12.09 40.02 Sapphire Min 4.45 6.53 32.5851.84 0.95 12,92467.40 4.58 1.37 5.50 7.02 34.1055.50 0.99 13,85871.96 4.88 1.47 5.85 36.98 Sapphire StdDev 0.69 0.39 0.60 1.10 0.19 150.13 1.84 0.09 0.03 1.50 0.41 0.83 0.79 0.21 88.17 1.71 0.09 0.03 1.62 0.85 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F014210 6.28 9.3429.39 54.99 1.36 12,99872.55 4.61 1.32 4.54 9.97 31.3658.67 1.45 13,87077.41 4.92 1.40 4.85 34.83 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F022510 5.77 9.62 29.3855.23 1.43 13,107 73.30 4.60 1.36 3.92 10.21 31.1858.61 1.52 13,909 77.78 4.88 1.44 4.16 34.73 3/20/2009Coal As-Shipped Fuel Supply ICG Sentinal D467 Sentenial 09F028180 6.55 9.53 29.11 54.81 1.42 12,992 70.73 4.55 1.31 5.90 10.20 31.15 58.65 1.52 13,903 75.69 4.87 1.40 6.32 34.68 4/11/2009Coal As-Shipped Fuel Supply ICG Senteniel D470 Sentenial 09F032800 6.25 9.35 29.09 55.31 1.39 13,069 71.53 4.52 1.33 5.63 9.97 31.03 59.00 1.49 13,94076.30 4.82 1.41 6.00 34.46 6/25/2009Coal As-Shipped Fuel Supply ICG Sentinal D520 Sentenial 09F048570 6.05 9.19 1.37 13,12872.84 4.55 1.34 4.67 9.78 1.46 13,973 77.53 4.84 1.42 4.97 Sentenial Count 5 5 5 4 4 5 5 5 5 5 5 5 4 4 5 5 5 5 5 5 4 Sentenial Average 6.18 9.41 29.2455.09 1.39 13,059 72.19 4.57 1.33 4.93 10.03 31.1858.73 1.49 13,919 76.94 4.87 1.41 5.26 34.68 Sentenial Max 6.55 9.62 29.39 55.31 1.43 13,12873.30 4.61 1.36 5.90 10.21 31.3659.00 1.52 13,973 77.78 4.92 1.44 6.32 34.83 Sentenial Min 5.77 9.19 29.09 54.81 1.36 12,992 70.73 4.52 1.31 3.92 9.78 31.03 58.61 1.45 13,87075.69 4.82 1.40 4.16 34.46 Sentenial StdDev 0.29 0.17 0.16 0.23 0.03 62.00 1.04 0.04 0.02 0.82 0.18 0.14 0.18 0.03 39.10 0.90 0.04 0.02 0.89 0.16 3/31/2009Coal As-Shipped Fuel Supply Sidney mim05 Sidney 09F028930 6.39 8.8034.0850.72 1.19 12,688 69.71 4.74 1.35 7.82 9.40 36.41 54.19 1.27 13,55474.47 5.06 1.44 8.35 40.19 4/12/2009Coal As-Shipped Fuel Supply Sidney MIM Sidney 09F032450 4.54 9.68 33.91 51.87 1.39 12,935 70.94 4.81 1.35 7.29 10.14 35.52 54.34 1.45 13,55074.32 5.04 1.41 7.64 39.53 5/4/2009Coal As-Shipped Fuel Supply Sidney MIM49 Sidney 09F049390 6.67 8.31 34.1850.83 1.29 12,68870.11 4.70 1.40 7.51 8.91 36.63 54.46 1.38 13,595 75.13 5.04 1.50 8.05 40.21 5/20/2009Coal As-Shipped Fuel Supply Sidney MIT81 Sidney 09F049380 5.18 8.69 33.6852.45 1.45 12,93672.04 4.73 1.37 6.54 9.16 35.52 55.31 1.53 13,643 75.98 4.99 1.44 6.90 39.11 9/24/2009Coal As-Shipped Fuel Supply Sidney MIM81 Sidney 09F067320 5.71 8.6631.93 53.70 1.38 12,909 72.37 4.52 1.45 5.90 9.19 33.8656.95 1.46 13,691 76.76 4.79 1.54 6.26 37.29 Sidney Count 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Sidney Average 5.70 8.83 33.5651.91 1.34 12,831 71.03 4.70 1.38 7.01 9.36 35.59 55.05 1.42 13,607 75.33 4.98 1.47 7.44 39.27 Sidney Max 6.67 9.68 34.1853.70 1.45 12,93672.37 4.81 1.45 7.82 10.14 36.63 56.95 1.53 13,691 76.76 5.06 1.54 8.35 40.21 Sidney Min 4.54 8.31 31.93 50.72 1.19 12,688 69.71 4.52 1.35 5.90 8.91 33.8654.19 1.27 13,55074.32 4.79 1.41 6.26 37.29 Sidney StdDev 0.87 0.51 0.93 1.23 0.10 131.17 1.16 0.11 0.04 0.78 0.47 1.09 1.15 0.10 60.32 1.03 0.11 0.05 0.86 1.20 12/17/2008Coal As-Shipped Fuel Supply Spring Creek SCMSUD420 SpringCreek 08F004150 24.72 4.38 32.47 38.43 0.28 9,239 53.00 3.85 0.61 13.15 5.82 43.13 51.05 0.37 12,27470.41 5.12 0.82 17.47 45.79 12/29/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD420 SpringCreek 09F006880 25.31 4.82 31.52 38.35 0.27 9,251 52.98 3.66 0.56 12.40 6.45 42.21 51.34 0.37 12,387 70.94 4.90 0.75 16.60 45.12 12/31/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD429 SpringCreek 09F006890 24.93 3.77 32.03 39.27 0.28 9,417 55.29 3.67 0.61 11.45 5.02 42.67 52.31 0.37 12,54473.66 4.89 0.81 15.25 44.92 1/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD014 SpringCreek 09F016490 23.83 3.9432.57 39.66 0.35 9,54654.89 3.77 0.73 12.50 5.17 42.75 52.07 0.46 12,532 72.06 4.94 0.95 16.41 45.09 1/31/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD015 SpringCreek 09F016500 24.74 4.32 31.0639.88 0.36 9,352 53.76 3.64 0.80 12.39 5.74 41.27 52.99 0.48 12,425 71.42 4.83 1.07 16.46 43.78 2/22/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD040 SpringCreek 09F026140 24.11 4.47 32.71 38.71 0.34 9,495 53.90 3.73 0.66 12.79 5.89 43.1051.01 0.44 12,511 71.02 4.92 0.87 16.85 45.80 2/28/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD046 SpringCreek 09F026150 25.28 3.7031.48 39.54 0.34 9,43853.55 3.68 0.63 12.83 4.95 42.13 52.92 0.45 12,631 71.67 4.93 0.84 17.17 44.33 3/5/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD050 SpringCreek 09F026160 24.63 3.98 32.22 39.17 0.30 9,442 53.60 3.72 0.61 13.15 5.28 42.75 51.97 0.40 12,52871.12 4.93 0.81 17.45 45.13 4/20/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD120 SpringCreek 09F033280 24.83 4.4631.7039.00 0.35 9,36653.08 3.66 0.57 13.04 5.94 42.17 51.89 0.47 12,461 70.61 4.87 0.76 17.34 44.84 5/1/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD141 SpringCreek 09F033290 24.63 4.55 31.91 38.90 0.33 9,38654.21 3.74 0.61 11.93 6.03 42.35 51.62 0.44 12,453 71.93 4.96 0.80 15.83 45.06 5/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD162 SpringCreek 09F033300 24.72 4.61 32.19 38.48 0.33 9,345 52.84 3.73 0.57 13.19 6.13 42.7651.12 0.44 12,41470.20 4.96 0.76 17.52 45.55 6/3/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD255 SpringCreek 09F048410 24.62 3.83 32.6638.89 0.32 9,465 53.91 3.70 0.69 12.93 5.09 43.32 51.59 0.43 12,557 71.52 4.91 0.91 17.15 45.65 6/27/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD250 SpringCreek 09F049770 25.33 3.92 0.34 9,389 53.71 3.73 0.56 12.41 5.25 0.45 12,57471.92 4.99 0.75 16.62 6/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD254 SpringCreek 09F048400 24.20 4.05 31.8439.92 0.32 9,46054.44 3.84 0.70 12.45 5.34 42.0052.66 0.42 12,48071.82 5.07 0.92 16.43 44.37 8/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD373 SpringCreek 09F070100 26.39 4.21 30.9438.46 0.32 9,203 56.72 3.24 0.60 8.54 5.71 42.0452.25 0.43 12,503 4.40 0.81 44.58 9/28/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD427 SpringCreek 09F070110 24.38 3.92 32.29 39.41 0.30 9,53654.67 3.66 0.68 12.40 5.18 42.7052.12 0.39 12,611 72.30 4.84 0.89 16.40 45.03 9/30/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD431 SpringCreek 09F070120 25.29 3.95 31.37 39.38 0.30 9,335 56.75 3.40 0.72 9.57 5.29 41.99 52.72 0.41 12,495 4.56 0.97 44.34 10/12/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD451 SpringCreek 09F073520 21.85 4.8432.8040.51 0.48 9,965 56.37 3.76 0.62 12.08 6.19 41.97 51.83 0.62 12,751 72.13 4.81 0.79 15.46 44.75 10/18/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD462 SpringCreek 09F073530 25.16 3.82 32.23 38.79 0.30 9,45654.06 3.45 0.40 12.81 5.10 43.07 51.83 0.40 12,635 72.24 4.61 0.53 17.11 45.39 10/22/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD470 SpringCreek 09F073540 24.72 4.41 32.37 38.51 0.32 9,44853.51 3.63 0.44 12.97 5.86 43.0051.15 0.42 12,55071.08 4.83 0.58 17.23 45.67 12/8/2009Coal As-Shipped Fuel Supply Spring Creek SCSMSUD410 SpringCreek 09F006870 24.79 4.33 32.38 38.50 0.32 9,27654.20 3.65 0.69 12.02 5.76 43.05 51.19 0.42 12,33472.07 4.86 0.92 15.98 45.68 SpringCreek Count 21 21 21 20 20 21 21 21 21 21 21 21 20 20 21 21 19 21 21 19 20 SpringCreek Average 24.69 4.2032.0439.09 0.33 9,42054.26 3.66 0.62 12.24 5.58 42.52 51.88 0.43 12,507 71.59 4.86 0.82 16.67 45.04 SpringCreek Max 26.39 4.8432.8040.51 0.48 9,965 56.75 3.85 0.80 13.19 6.45 43.32 52.99 0.62 12,751 73.66 5.12 1.07 17.52 45.80 SpringCreek Min 21.85 3.7030.9438.35 0.27 9,203 52.84 3.24 0.40 8.54 4.95 41.27 51.01 0.37 12,27470.20 4.40 0.53 15.25 43.78

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 9 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Proximate & Ultimate ar - As Received Spl Date Sampledesc Sampleid moist_ttlash_arvol_ar fc_ar s_ar btu_ar c_ar h_ar n_ar o_arash_dryvol_dryfc_drys_dry btu_dryc_dryh_dryn_dryo_dryvol_maf SpringCreek StdDev 0.84 0.35 0.54 0.60 0.04 156.55 1.17 0.14 0.09 1.16 0.44 0.53 0.63 0.05 108.01 0.81 0.16 0.12 0.68 0.57 5/7/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM029WestBlackThunder09F049350 26.70 5.78 32.1635.36 0.27 8,782 50.38 3.50 0.58 12.79 7.89 43.8748.24 0.37 11,981 68.73 4.77 0.79 17.46 47.63 6/29/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM034WestBlackTHunder09F048430 26.51 5.03 32.2436.22 0.24 8,945 50.96 3.59 0.63 13.04 6.85 43.8749.28 0.33 12,17069.33 4.89 0.86 17.74 47.10 WestBlackThunder Count 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 WestBlackThunder Average 26.61 5.41 32.2035.79 0.26 8,86450.67 3.55 0.61 12.92 7.37 43.8748.76 0.35 12,076 69.03 4.83 0.83 17.60 47.37 WestBlackThunder Max 26.70 5.78 32.2436.22 0.27 8,945 50.96 3.59 0.63 13.04 7.89 43.8749.28 0.37 12,17069.33 4.89 0.86 17.74 47.63 WestBlackThunder Min 26.51 5.03 32.1635.36 0.24 8,782 50.38 3.50 0.58 12.79 6.85 43.8748.24 0.33 11,981 68.73 4.77 0.79 17.46 47.10 WestBlackThunder StdDev 0.13 0.53 0.06 0.61 0.02 115.26 0.41 0.06 0.04 0.18 0.74 0.00 0.74 0.03 133.64 0.42 0.08 0.05 0.20 0.37 Grand Count 178 178 178 168 169 178 178 177 177 177 177 178 169 169 178 178 175 177 177 175 169 Grand Average 16.29 6.45 32.2845.08 0.82 10,93061.41 4.11 1.02 9.90 7.55 38.9853.44 0.91 12,975 73.03 4.90 1.18 12.40 42.12 Grand Max 27.98 12.22 35.6458.38 2.05 13,522 75.18 4.96 1.60 14.05 13.02 48.16 62.21 2.19 14,217 79.01 5.29 1.71 18.93 51.92 Grand Min 4.13 3.57 26.88 32.83 0.15 8,59549.72 3.24 0.40 3.92 4.67 29.0044.57 0.21 11,736 67.84 4.40 0.53 4.16 32.46 Grand StdDev 9.66 2.13 1.77 7.42 0.581,865.92 9.38 0.57 0.37 3.12 1.76 4.35 3.24 0.59 751.08 3.01 0.18 0.32 5.09 4.17

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 10 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 

## Plants: 

# Belle River Power Plant 1/26/2009Coal A/F Monthly-BRPP January 2009 BR 09F010630 2/25/2009Coal A/F Monthly-BRPP February 2009 BR 09F015490 3/25/2009Coal A/F Monthly-BRPP March 2009 BR 09F022110 5/11/2009Coal A/F Monthly-BRPP April 2009 BR 09F029960 5/25/2009Coal A/F Monthly-BRPP May 2009 BR 09F033150 6/25/2009Coal A/F Monthly-BRPP June 2009 BR 09F040220 7/25/2009Coal A/F Monthly-BRPP July 2009 BR 09F048740 8/25/2009Coal A/F Monthly-BRPP August 2009 BR 09F053040 9/25/2009Coal A/F Monthly-BRPP September 2009 BR 09F060070 10/25/2009Coal A/F Monthly-BRPP October 2009 BR 09F066990 11/25/2009Coal A/F Monthly-BRPP November 2009 BR 09F073190 12/25/2009Coal A/F Monthly-BRPP December 2009 BR 10F002320 BR Count 12 BR Average BR Max BR Min BR StdDev 

# Harbor Beach Power Plant 1/25/2009Coal A/F Monthly-HBPP January 2009 HB 09F010640 2/25/2009Coal A/F Monthly-HBPP February 2009 HB 09F015480 3/25/2009Coal A/F Monthly-HBPP March 2009 HB 09F022100 5/11/2009Coal A/F Monthly-HBPP April 2009 HB 09F029950 6/25/2009Coal A/F Monthly-HBPP June 2009 HB 09F040210 7/25/2009Coal A/F Monthly-HBPP July 2009 HB 09F048730 8/25/2009Coal A/F Monthly-HBPP August 2009 HB 09F053030 9/25/2009Coal A/F Monthly-HBPP September 2009 HB 09F060060 10/25/2009Coal A/F Monthly-HBPP October 2009 HB 09F066980 11/25/2009Coal A/F Monthly-HBPP November 2009 HB 09F073180 12/15/2009Coal A/F Monthly-HBPP December 2009 HB 10F002310 HB Count 11 HB Average HB Max HB Min HB StdDev 

# Monroe Power Plant 1/25/2009Coal A/F Monthly-MOPP January 2009 MO 09F010650 2/25/2009Coal A/F Monthly-MOPP February 2009 MO 09F015470 3/25/2009Coal A/F Monthly-MOPP March 2009 MO 09F022090 5/11/2009Coal A/F Monthly-MOPP April 2009 MO 09F029940 5/25/2009Coal A/F Monthly-MOPP May 2009 MO 09F033140 6/25/2009Coal A/F Monthly-MOPP June 2009 MO 09F040200 7/25/2009Coal A/F Monthly-MOPP July 2009 MO 09F048720 8/25/2009Coal A/F Monthly-MOPP August 2009 MO 09F053020 9/25/2009Coal A/F Monthly-MOPP September 2009 MO 09F060050 10/25/2009Coal A/F Monthly-MOPP October 2009 MO 09F066960 11/25/2009Coal A/F Monthly-MOPP November 2009 MO 09F073170fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao

53.97 13,198 4.73 0.70 0.85 2,075 2,105 2,140 2,190 115 2,140 2,225 2,355 2,420 28035.29 17.22 1.27 5.06 13.77 55.52 13,161 4.93 0.72 0.80 2,050 2,060 2,080 2,160 110 2,135 2,205 2,315 2,385 25036.52 18.35 1.26 5.35 16.14 58.42 13,146 4.91 0.69 0.71 2,070 2,090 2,110 2,160 90 2,160 2,250 2,360 2,445 285 34.35 18.54 1.31 5.21 17.09 54.84 13,225 4.66 0.68 0.82 2,075 2,090 2,115 2,160 85 2,175 2,275 2,385 2,445 27037.45 16.78 1.33 5.60 15.56 55.89 13,169 4.52 0.70 0.79 2,060 2,065 2,120 2,195 135 2,130 2,190 2,240 2,385 255 37.31 18.56 1.47 5.88 17.22 55.15 13,179 4.65 0.69 0.81 2,060 2,080 2,110 2,165 105 2,160 2,195 2,255 2,430 27035.08 17.54 1.30 5.31 17.69 55.63 13,227 4.63 0.71 0.80 2,110 2,140 2,155 2,240 130 2,170 2,245 2,390 2,475 305 36.82 17.12 1.36 5.73 16.18 58.16 13,215 4.48 0.67 0.72 2,095 2,110 2,130 2,185 90 2,360 2,440 2,480 2,515 155 33.75 17.21 1.29 5.72 16.32 55.73 13,188 4.72 0.75 0.79 2,040 2,060 2,095 2,150 110 2,275 2,340 2,365 2,435 16033.18 17.50 1.27 6.03 14.77 55.34 13,223 4.62 0.74 0.81 2,070 2,075 2,110 2,175 105 2,350 2,400 2,440 2,475 125 36.05 18.09 1.20 5.46 13.72 56.58 13,276 4.45 0.72 0.77 2,085 2,130 2,155 2,200 115 2,345 2,385 2,410 2,460 115 33.93 17.69 1.21 5.60 14.88 56.40 13,274 4.44 0.71 0.77 12 12 12 12 12 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 55.97 13,207 4.65 0.71 0.79 2,072 2,091 2,120 2,180 108 2,218 2,286 2,363 2,443 225 35.43 17.69 1.30 5.54 15.76 58.42 13,276 4.93 0.75 0.85 2,110 2,140 2,155 2,240 135 2,360 2,440 2,480 2,515 305 37.45 18.56 1.47 6.03 17.69 53.97 13,146 4.44 0.67 0.71 2,040 2,060 2,080 2,150 85 2,130 2,190 2,240 2,385 115 33.18 16.78 1.20 5.06 13.72 1.28 41 0.16 0.02 0.04 19.91 27.30 23.45 25.88 15.85 94.11 89.61 72.26 38.75 70.59 1.50 0.61 0.07 0.29 1.35

64.14 15,139 6.01 1.39 0.56 2,685 2,755 2,795 2,840 155 2,790 2,840>2840 >2840 5054.68 29.53 1.16 6.82 1.54 63.39 15,078 5.86 1.36 0.58 2,770 2,805 2,825>2840 70 2,855>2855 >2855 >2855 052.92 30.26 1.23 6.10 1.80 64.13 15,201 6.33 1.39 0.56 2,660 2,775 2,790 2,840 180 2,790 2,840 2,855>2855 65 55.78 31.51 1.28 6.53 2.05 61.74 15,011 5.41 1.29 0.62 2,660 2,745 2,770 2,805 145 2,685 2,805 2,830>2839 15455.23 28.72 1.39 6.45 2.78 65.23 15,231 7.41 1.38 0.53 2,700 2,760 2,800 2,840 140 2,785 2,840>2840 >2840 65 54.63 27.67 1.25 6.56 1.79 62.84 14,730 6.99 1.28 0.59 2,365 2,530 2,600 2,660 295 2,435 2,490 2,735 2,780 345 51.78 25.89 1.46 6.61 4.30 57.28 14,691 6.85 1.22 0.75 2,330 2,435 2,515 2,600 270 2,415 2,500 2,560 2,655 24052.6425.42 1.25 6.71 5.38 64.10 14,776 6.63 1.28 0.56 2,245 2,315 2,435 2,550 305 2,330 2,440 2,530 2,650 32053.33 25.88 1.27 6.41 4.44 61.62 14,504 7.90 1.36 0.62 2,205 2,280 2,335 2,420 215 2,310 2,415 2,450 2,495 185 52.96 25.28 1.18 7.12 5.42 63.23 14,538 6.96 1.52 0.58 2,230 2,300 2,350 2,485 255 2,400 2,430 2,465 2,540 14048.82 26.03 1.23 7.95 6.38 61.84 14,528 6.17 1.15 0.62 11 11 11 11 11 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 62.69 14,857 6.59 1.33 0.60 2,485 2,570 2,622 2,671 203 2,580 2,622 2,632 2,624 15653.28 27.62 1.27 6.73 3.59 65.23 15,231 7.90 1.52 0.75 2,770 2,805 2,825 2,840 305 2,855 2,840 2,855 2,780 345 55.78 31.51 1.46 7.95 6.38 57.28 14,504 5.41 1.15 0.53 2,205 2,280 2,335 2,420 70 2,310 2,415 2,450 2,495 048.82 25.28 1.16 6.10 1.54 2.13 282 0.73 0.10 0.06 228.07 221.12 198.94 166.22 77.50 219.32 200.38 171.34 111.43116.86 2.02 2.26 0.09 0.51 1.80

57.21 13,793 6.66 1.22 0.75 2,190 2,240 2,275 2,365 175 2,275 2,320 2,385 2,420 14542.56 21.43 1.28 7.48 9.69 55.78 13,676 6.66 1.21 0.79 2,190 2,225 2,260 2,400 210 2,305 2,340 2,365 2,410 10541.87 21.08 1.34 7.86 13.24 58.82 13,809 6.49 1.31 0.70 2,185 2,255 2,315 2,400 215 2,335 2,365 2,380 2,415 8040.70 22.61 1.34 8.28 11.92 56.45 13,933 6.66 1.29 0.77 2,170 2,225 2,290 2,375 205 2,320 2,360 2,390 2,405 8544.52 20.98 1.39 8.52 10.50 57.13 13,816 6.22 1.32 0.75 2,195 2,215 2,260 2,365 170 2,265 2,290 2,380 2,420 15544.62 23.39 1.46 8.58 14.17 55.84 13,859 6.17 1.29 0.79 2,195 2,255 2,295 2,400 205 2,325 2,350 2,380 2,420 9541.81 22.76 1.42 8.24 12.20 56.83 13,813 6.12 1.22 0.76 2,200 2,245 2,290 2,415 215 2,335 2,370 2,400 2,450 11540.91 20.67 1.35 8.28 11.68 55.75 13,779 6.11 1.26 0.79 2,215 2,280 2,355 2,415 200 2,355 2,385 2,410 2,450 9540.45 21.22 1.27 8.29 11.44 56.28 13,782 6.20 1.24 0.78 2,215 2,260 2,290 2,400 185 2,190 2,225 2,270 2,345 155 38.27 21.93 1.27 9.81 12.15 51.86 13,812 6.29 1.28 0.93 2,175 2,230 2,280 2,395 220 2,210 2,285 2,310 2,365 15540.31 21.21 1.19 7.34 10.21 56.96 13,817 6.24 1.24 0.76 2,200 2,255 2,310 2,395 195 2,240 2,270 2,335 2,390 15038.93 22.30 1.18 7.44 11.50 Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 11 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 12/25/2009Coal A/F Monthly-MOPP December 2009 MO 10F002300 MO Count 12 MO Average MO Max MO Min MO StdDev 

# River Rouge Power Plant 1/25/2009Coal A/F Monthly-RRPP January 2009 RR 09F010680 2/25/2009Coal A/F Monthly-RRPP February 2009 RR 09F015410 3/25/2009Coal A/F Monthly-RRPP March 2009 RR 09F022050 5/11/2009Coal A/F Monthly-RRPP April 2009 RR 09F029900 5/25/2009Coal A/F Monthly-RRPP May 2009 RR 09F033090 6/26/2009Coal A/F Monthly-RRPP June 2009 RR 09F040150 7/25/2009Coal A/F Monthly-RRPP July 2009 RR 09F048660 8/25/2009Coal A/F Monthly-RRPP August 2009 RR 09F052960 9/25/2009Coal A/F Monthly-RRPP September 2009 RR 09F059990 10/25/2009Coal A/F Monthly-RRPP October 2009 RR 09F066920 11/25/2009Coal A/F Monthly-RRPP November 2009 RR 09F073120 12/25/2009Coal A/F Monthly-RRPP December 2009 RR 10F002240 RR Count 12 RR Average RR Max RR Min RR StdDev 

# St Clair Power Plant - Units 1-4 1/25/2009Coal A/F Monthly-SCPP 1-4 100W January 2009 SC1-4 09F010690 1/26/2009Coal A/F Monthly-SCPP 1-4 85-15 January 2009 SC1-4 09F011820 2/25/2009Coal A/F Monthly-SCPP1-4 100W February 2009 SC1-4 09F015420 2/25/2009Coal A/F Monthly-SCPP1-4 70-30 February 2009 SC1-4 09F015430 3/25/2009Coal A/F Monthly-SCPP 1-4 March 2009 SC1-4 09F022060 5/11/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F029910 5/25/2009Coal A/F Monthly-SCPP 1-4 100W May 2009 SC1-4 09F033100 6/25/2009Coal A/F Monthly-SCPP 1-4 June 2009 SC1-4 09F040160 7/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F048670 7/25/2009Coal A/F Monthly-SCPP 2 85-15 SC1-4 09F048680 8/25/2009Coal A/F Monthly-SCPP 1-4 100W August 2009 SC1-4 09F052970 8/25/2009Coal A/F Monthly-SCPP 1-4 70-30 August 2009 SC1-4 09F052980 9/25/2009Coal A/F Monthly-SCPP 1-4 100 W September 2009 SC1-4 09F060000 9/25/2009Coal A/F Monthly-SCPP 2 97 PRB Wood September 2009 SC1-4 09F060010 10/25/2009Coal A/F Monthly-SCPP 1-4 100W October 2009 SC1-4 09F066930 10/25/2009Coal A/F Monthly-SCPP 1-4 70-30 October 2009 SC1-4 09F066940 11/25/2009Coal A/F Monthly-SCPP 1-4 100W November 2009 SC1-4 09F073130 12/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 10F002250 SC1-4 Count 18 SC1-4 Average SC1-4 Max SC1-4 Min SC1-4 StdDev 

# St Clair Power Plant Unit 6 fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

57.57 13,812 6.19 1.25 0.74 12 12 12 12 12 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 56.37 13,808 6.33 1.26 0.78 2,194 2,244 2,293 2,393 200 2,287 2,324 2,364 2,408 12141.36 21.78 1.32 8.19 11.70 58.82 13,933 6.66 1.32 0.93 2,215 2,280 2,355 2,415 220 2,355 2,385 2,410 2,450 15544.62 23.39 1.46 9.81 14.17 51.86 13,676 6.11 1.21 0.70 2,170 2,215 2,260 2,365 170 2,190 2,225 2,270 2,345 8038.27 20.67 1.18 7.34 9.69 1.67 58 0.22 0.04 0.06 14.16 19.21 27.05 17.50 16.65 55.01 50.15 42.30 31.88 30.83 2.01 0.88 0.09 0.69 1.30

55.58 13,532 7.53 0.88 0.80 2,160 2,235 2,270 2,395 235 2,245 2,300 2,325 2,395 15044.43 20.51 1.22 5.49 9.88 55.00 13,453 7.03 1.06 0.82 2,170 2,220 2,265 2,465 295 2,265 2,295 2,335 2,390 12541.98 19.99 1.19 5.82 14.17 55.37 13,532 7.58 0.86 0.81 2,230 2,270 2,325 2,440 210 2,315 2,360 2,395 2,460 14546.1422.93 1.35 5.20 11.82 55.13 13,657 6.96 0.85 0.81 2,230 2,270 2,315 2,415 185 2,315 2,365 2,380 2,450 13542.41 21.03 1.29 5.31 12.04 6.91 0.77 2,215 2,265 2,305 2,400 185 2,285 2,360 2,395 2,435 15045.43 22.92 1.53 5.93 12.49 55.09 13,355 6.39 0.80 0.82 2,175 2,220 2,280 2,370 195 2,250 2,295 2,335 2,400 15042.25 20.45 1.41 6.18 16.62 58.45 13,647 6.50 0.86 0.71 2,255 2,295 2,335 2,465 210 2,295 2,350 2,375 2,420 12542.96 21.20 1.46 6.16 12.09 53.76 13,332 6.68 0.74 0.86 2,210 2,245 2,300 2,405 2,270 2,300 2,345 2,395 125 39.66 19.64 1.29 5.44 14.88 58.28 13,033 5.66 0.65 0.72 2,170 2,210 2,260 2,350 180 2,255 2,285 2,325 2,370 115 36.41 19.42 1.25 5.43 16.30 57.09 13,693 6.75 0.88 0.75 2,205 2,235 2,295 2,400 195 2,290 2,315 2,375 2,440 15042.4421.21 1.24 5.46 10.97 56.96 13,187 6.20 0.77 0.76 2,210 2,270 2,355 2,455 245 2,275 2,305 2,365 2,450 17541.69 21.92 1.27 5.59 13.90 56.72 13,326 6.74 0.75 0.76 11 11 12 12 11 11 11 11 11 10 11 11 11 11 11 11 11 11 11 11 56.13 13,432 6.74 0.82 0.78 2,203 2,249 2,300 2,415 214 2,278 2,321 2,359 2,419 14042.35 21.02 1.32 5.64 13.20 58.45 13,693 7.58 1.06 0.86 2,255 2,295 2,355 2,465 295 2,315 2,365 2,395 2,460 17546.1422.93 1.53 6.18 16.62 53.76 13,033 5.66 0.65 0.71 2,160 2,210 2,260 2,350 180 2,245 2,285 2,325 2,370 115 36.41 19.42 1.19 5.20 9.88 1.48 208 0.53 0.10 0.05 30.36 27.03 30.45 37.98 35.83 24.21 31.05 26.91 30.09 17.24 2.68 1.19 0.11 0.34 2.16

53.92 13,218 4.75 0.67 0.85 2,035 2,055 2,080 2,155 120 2,130 200 2,290 2,380 25034.77 17.12 1.25 5.02 13.85 56.77 13,507 4.83 1.05 0.76 1,990 2,045 2,075 2,165 175 2,165 2,200 2,235 2,305 14037.19 18.66 1.21 7.28 11.24 55.79 13,215 4.89 0.76 0.79 2,060 2,075 2,090 2,150 90 2,160 2,230 2,340 2,415 255 35.35 17.31 1.19 5.50 14.59 56.66 13,757 5.16 1.47 0.76 2,005 2,060 2,125 2,275 270 2,205 2,240 2,280 2,375 17040.80 20.54 1.14 8.71 10.60 54.85 13,278 4.91 0.83 0.82 2,050 2,070 2,090 2,185 135 2,155 2,210 2,310 2,410 255 35.48 18.65 1.24 5.66 16.14 54.98 13,310 4.73 0.71 0.82 2,070 2,075 2,095 2,175 105 2,160 2,215 2,365 2,430 27035.78 16.35 1.33 5.71 15.36 55.66 13,171 4.43 0.72 0.80 2,060 2,075 2,105 2,165 105 2,170 2,220 2,285 2,430 26039.20 18.34 1.44 5.74 17.01 55.23 13,270 4.61 0.76 0.81 2,055 2,070 2,095 2,140 85 2,155 2,200 2,260 2,390 235 34.78 18.01 1.44 6.03 17.40 57.05 13,283 4.68 0.76 0.75 2,085 2,095 2,120 2,230 145 2,220 2,325 2,420 2,460 24034.13 17.33 1.28 5.96 15.36 57.89 13,529 4.88 1.06 0.73 2,010 2,045 2,070 2,135 125 2,140 2,210 2,290 2,365 225 33.80 16.71 1.17 7.79 13.01 55.40 13,200 4.51 0.66 0.81 2,065 2,075 2,105 2,155 90 2,335 2,415 2,440 2,475 14033.29 17.00 1.20 5.72 14.77 57.11 13,762 4.87 1.37 0.75 2,010 2,135 2,195 2,300 290 2,225 2,270 2,285 2,375 15040.25 19.57 1.12 9.26 9.81 55.33 13,226 4.50 0.71 0.81 2,070 2,090 2,120 2,165 95 2,220 2,390 2,460 2,505 285 31.82 17.44 1.24 5.40 16.84 55.03 13,135 4.84 0.71 0.82 2,045 2,070 2,110 2,155 110 2,160 2,200 2,330 2,450 29032.47 17.33 1.24 5.47 17.16 56.35 13,164 4.75 0.70 0.77 2,095 2,105 2,135 2,190 95 2,355 2,420 2,445 2,495 14032.17 17.74 1.37 5.54 15.72 57.18 13,832 4.84 1.52 0.75 1,955 2,035 2,135 2,260 305 2,170 2,240 2,270 2,335 165 36.43 18.93 1.10 9.00 11.00 56.92 13,280 4.50 0.70 0.76 2,090 2,120 2,150 2,180 90 2,320 2,425 2,470 2,505 185 31.92 17.94 1.31 5.04 15.98 56.90 13,291 4.44 0.77 0.76 18 18 18 18 18 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 56.06 13,357 4.73 0.89 0.78 2,044 2,076 2,111 2,187 143 2,203 2,154 2,340 2,418 215 35.27 17.94 1.25 6.40 14.46 57.89 13,832 5.16 1.52 0.85 2,095 2,135 2,195 2,300 305 2,355 2,425 2,470 2,505 29040.80 20.54 1.44 9.26 17.40 53.92 13,135 4.43 0.66 0.73 1,955 2,035 2,070 2,135 85 2,130 200 2,235 2,305 14031.82 16.35 1.10 5.02 9.81 1.06 222 0.20 0.29 0.03 38.42 26.49 31.11 49.1873.44 69.98510.52 77.99 59.0854.57 2.79 1.08 0.10 1.42 2.47

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 12 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 1/25/2009Coal A/F Monthly-SCPP 6 85-15 January 2009 SC6 09F010700 2/25/2009Coal A/F Monthly-SCPP6 85-15 February 2009 SC6 09F015440 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 09F029920 5/25/2009Coal A/F Monthly-SCPP 6 85-15 May 2009 SC6 09F033110 6/25/2009Coal A/F Monthly-SCPP 6 June 2009 SC6 09F040170 7/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 09F048690 8/25/2009Coal A/F Monthly-SCPP 6 85-15 August 2009 SC6 09F052990 9/25/2009Coal A/F Monthly-SCPP 6 85-15 September 2009 SC6 09F060020 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC6 09F066950 11/25/2009Coal A/F Monthly-SCPP 6 85-15 November 2009 SC6 09F073140 12/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 10F002260 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 10F002280 SC6 Count 12 SC6 Average SC6 Max SC6 Min SC6 StdDev 

# St Clair Power Plant Unit 7 1/25/2009Coal A/F Monthly-SCPP 7 85-15 January 2009 SC7 09F010710 2/25/2009Coal A/F Monthly-SCPP7 85-15 February 2009 SC7 09F015450 3/25/2009Coal A/F Monthly-SCPP 7 March 2009 SC7 09F022070 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 09F029920 5/25/2009Coal A/F Monthly-SCPP 7 85-15 May 2009 SC7 09F033120 6/25/2009Coal A/F Monthly-SCPP 7 June 2009 SC7 09F040180 7/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 09F048700 8/25/2009Coal A/F Monthly-SCPP 7 85-15 August 2009 SC7 09F053000 9/25/2009Coal A/F Monthly-SCPP 7 85-15 September 2009 SC7 09F060030 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC7 09F066950 11/25/2009Coal A/F Monthly-SCPP 7 85-15 November 2009 SC7 09F073150 12/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 10F002270 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 10F002280 SC7 Count 13 SC7 Average SC7 Max SC7 Min SC7 StdDev 

# Trenton Channel Power Plant 1/25/2009Coal A/F Monthly-TCPP January 2009 TC 09F010720 2/25/2009Coal A/F Monthly-TCPP February 2009 TC 09F015460 3/25/2009Coal A/F Monthly-TCPP March 2009 TC 09F022080 5/11/2009Coal A/F Monthly-TCPP April 2009 TC 09F029930 5/25/2009Coal A/F Monthly-TCPP May 2009 TC 09F033130 6/25/2009Coal A/F Monthly-TCPP June 2009 TC 09F040190 7/25/2009Coal A/F Monthly-TCPP July 2009 TC 09F048710 8/25/2009Coal A/F Monthly-TCPP August 2009 TC 09F053010 9/25/2009Coal A/F Monthly-TCPP September 2009 TC 09F060040 10/25/2009Coal A/F Monthly-TCPP October 2009 TC 09F066970 11/25/2009Coal A/F Monthly-TCPP November 2009 TC 09F073160 12/25/2009Coal A/F Monthly-TCPP December 2009 TC 10F002290fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

56.71 13,551 4.97 1.13 0.76 1,985 2,040 2,080 2,170 185 2,180 2,200 2,235 2,320 14036.87 18.25 1.18 7.35 11.16 57.85 13,546 5.07 1.23 0.73 1,975 2,020 2,065 2,165 190 2,155 2,200 2,240 2,315 16037.15 19.13 1.21 7.43 13.23 54.92 13,667 5.21 1.13 0.82 2,010 2,050 2,065 2,135 125 2,160 2,205 2,250 2,350 19036.72 17.21 1.25 7.72 13.13 58.38 13,507 4.77 1.10 0.71 1,980 2,050 2,105 2,220 240 2,185 2,210 2,240 2,330 14542.49 20.57 1.32 9.46 12.38 55.92 13,571 4.88 1.17 0.79 2,005 2,045 2,075 2,170 165 2,140 2,200 2,230 2,310 17036.69 19.04 1.38 7.56 14.50 57.93 13,523 4.77 1.07 0.73 2,025 2,060 2,085 2,185 160 2,170 2,210 2,270 2,375 205 36.07 17.75 1.26 8.13 13.11 55.67 13,591 4.73 1.13 0.80 2,015 2,040 2,070 2,230 215 2,185 2,250 2,310 2,395 21035.90 18.30 1.17 8.00 12.64 57.36 13,619 4.84 1.17 0.74 1,975 2,040 2,070 2,195 220 2,185 2,220 2,265 2,365 18033.67 18.83 1.49 9.99 12.04 57.03 13,602 4.84 1.19 0.75 1,965 2,010 2,060 2,165 200 2,130 2,205 2,270 2,375 245 35.18 18.93 1.13 7.52 12.20 57.59 13,635 4.69 1.08 0.74 1,975 2,015 2,060 2,140 165 2,175 2,260 2,320 2,360 185 32.30 17.81 1.08 6.73 15.00 57.55 13,593 4.56 1.04 0.74 57.93 13,608 4.60 1.08 0.73 12 12 12 12 12 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 57.07 13,584 4.83 1.13 0.75 1,991 2,037 2,074 2,178 187 2,167 2,216 2,263 2,350 183 36.30 18.58 1.25 7.99 12.94 58.38 13,667 5.21 1.23 0.82 2,025 2,060 2,105 2,230 240 2,185 2,260 2,320 2,395 24542.49 20.57 1.49 9.99 15.00 54.92 13,507 4.56 1.04 0.71 1,965 2,010 2,060 2,135 125 2,130 2,200 2,230 2,310 14032.30 17.21 1.08 6.73 11.16 1.06 47 0.19 0.06 0.03 20.79 16.53 13.75 30.8434.00 19.73 21.58 31.02 29.29 31.82 2.67 0.94 0.12 1.00 1.14

56.86 13,542 4.98 1.11 0.76 1,995 2,055 2,100 2,175 180 2,145 2,205 2,250 2,305 16037.30 18.45 1.16 7.47 11.00 56.47 13,555 5.11 1.23 0.77 1,975 2,035 2,090 2,175 200 2,150 2,200 2,230 2,300 15036.37 18.43 1.14 7.18 12.32 56.22 13,521 5.07 1.12 0.78 1,995 2,050 2,090 2,170 175 2,120 2,190 2,240 2,325 205 36.28 19.29 1.21 7.04 13.93 54.92 13,667 5.21 1.13 0.82 2,010 2,050 2,065 2,135 125 2,160 2,205 2,250 2,350 19036.72 17.21 1.25 7.72 13.13 56.75 13,514 4.78 1.10 0.76 2,005 2,025 2,040 2,145 140 2,140 2,190 2,225 2,305 16540.02 19.46 1.36 8.15 14.10 56.23 13,612 4.87 1.20 0.78 1,990 2,030 2,085 2,145 155 2,145 2,195 2,220 2,295 15038.34 19.32 1.31 8.25 14.07 57.94 13,566 4.79 1.14 0.73 1,990 2,040 2,095 2,170 180 2,145 2,190 2,235 2,325 18035.64 17.65 1.18 8.45 12.60 54.57 13,597 4.64 1.09 0.83 2,010 2,050 2,075 2,140 130 2,190 2,300 2,390 2,435 245 33.63 17.21 1.18 7.11 13.77 57.29 13,555 4.94 1.10 0.75 1,990 2,035 2,080 2,165 175 2,150 2,200 2,255 2,340 19033.89 18.79 1.15 6.50 12.79 57.03 13,602 4.84 1.19 0.75 1,965 2,010 2,060 2,165 200 2,130 2,205 2,270 2,375 245 35.18 18.93 1.13 7.52 12.20 57.74 13,628 4.77 1.15 0.73 1,975 2,025 2,085 2,150 175 2,165 2,255 2,325 2,385 22033.80 18.44 1.09 7.27 14.00 57.84 13,620 4.64 1.05 0.73 57.93 13,608 4.60 1.08 0.73 13 13 13 13 13 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 56.75 13,584 4.86 1.13 0.76 1,991 2,037 2,079 2,158 167 2,149 2,212 2,263 2,340 191 36.11 18.47 1.20 7.51 13.08 57.94 13,667 5.21 1.23 0.83 2,010 2,055 2,100 2,175 200 2,190 2,300 2,390 2,435 24540.02 19.46 1.36 8.45 14.10 54.57 13,514 4.60 1.05 0.73 1,965 2,010 2,040 2,135 125 2,120 2,190 2,220 2,295 15033.63 17.21 1.09 6.50 11.00 1.08 45 0.19 0.05 0.03 14.63 13.83 17.62 14.89 25.91 18.41 34.30 51.11 43.47 34.63 1.99 0.81 0.08 0.59 1.00

57.09 13,864 6.02 1.34 0.75 2,160 2,225 2,260 2,370 210 2,265 2,345 2,365 2,415 15040.1420.81 1.25 9.42 10.43 57.52 13,913 6.08 1.36 0.74 2,155 2,210 2,255 2,330 175 2,300 2,340 2,365 2,400 10042.97 21.63 1.28 8.87 12.20 57.21 13,906 6.14 1.35 0.75 2,145 2,205 2,260 2,385 240 2,240 2,320 2,375 2,410 17042.40 23.15 1.32 9.06 10.76 56.43 13,967 6.15 1.33 0.77 2,140 2,210 2,255 2,335 195 2,225 2,295 2,345 2,390 16540.88 19.58 1.33 9.50 11.67 56.81 13,832 5.60 1.32 0.76 2,165 2,205 2,255 2,370 205 2,305 2,345 2,365 2,410 10541.61 21.57 1.38 9.89 12.79 57.00 13,891 5.96 1.44 0.75 2,160 2,220 2,270 2,355 195 2,330 2,340 2,370 2,400 7044.46 22.34 1.56 10.89 11.88 58.46 13,901 6.22 1.26 0.71 2,200 2,265 2,315 2,450 250 2,320 2,355 2,380 2,430 11041.99 20.88 1.35 9.55 11.47 56.68 13,930 6.06 1.50 0.76 2,185 2,260 2,315 2,395 210 2,330 2,360 2,390 2,415 8541.02 21.12 1.22 9.61 10.93 57.14 13,903 5.53 1.38 0.75 2,085 2,190 2,230 2,320 235 2,285 2,330 2,355 2,385 10035.97 20.05 1.23 9.21 15.20 56.82 13,829 5.88 1.37 0.76 2,110 2,165 2,215 2,360 250 2,145 2,245 2,280 2,320 175 38.43 19.05 1.15 8.70 11.18 57.46 13,980 5.64 1.45 0.74 2,080 2,155 2,210 2,290 210 2,245 2,285 2,325 2,365 12036.43 19.68 1.18 9.63 13.00 57.48 13,917 5.61 1.41 0.74

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 13 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid TC Count 12 TC Average TC Max TC Min TC StdDev Grand Count 102 Grand Average Grand Max Grand Min Grand StdDev



## Mines: 1/3/2009Coal As-Shipped Fuel Supply Antelope 40778 Antelope 09F006840 1/3/2009Coal As-Shipped Fuel Supply Antelope 40774 Antelope 09F006850 1/23/2009Coal As-Shipped Fuel Supply Antelope 40885 Antelope 09F016510 1/24/2009Coal As-Shipped Fuel Supply Antelope 40887 Antelope 09F016520 3/22/2009Coal As-Shipped Fuel Supply Antelope 41206 Antelope 09F029540 3/23/2009Coal As-Shipped Fuel Supply Antelope 41207 Antelope 09F029550 3/25/2009Coal As-Shipped Fuel Supply Antelope 41209 Antelope 09F029560 5/25/2009Coal As-Shipped Fuel Supply Antelope 41551 Antelope 09F048370 5/26/2009Coal As-Shipped Fuel Supply Antelope 41552 Antelope 09F048380 5/26/2009Coal As-Shipped Fuel Supply Antelope 41553 Antelope 09F048390 8/8/2009Coal As-Shipped Fuel Supply Antelope 41931 Antelope 09F074180 8/10/2009Coal As-Shipped Fuel Supply Antelope Composite Antelope 09F061640 9/27/2009Coal As-Shipped Fuel Supply Antelope 42194 Antelope 09F074190 9/27/2009Coal As-Shipped Fuel Supply Antelope 42195 Antelope 09F074200 Antelope Count 14 Antelope Average Antelope Max Antelope Min Antelope StdDev 12/22/2008Coal As-Shipped Fuel Supply Bailey D401 Bailey 09F006820 1/1/2009Coal As-Shipped Fuel Supply Bailey Enlow Fork Bailey 09F001640 2/26/2009Coal As-Shipped Fuel Supply Bailey D427 Bailey 09F022570 3/23/2009Coal As-Shipped Fuel Supply Bailey D463 Bailey 09F028170 4/12/2009Coal As-Shipped Fuel Supply Bailey D469 Bailey 09F031680 5/19/2009Coal As-Shipped Fuel Supply Bailey D502 Bailey 09F048550 6/22/2009Coal As-Shipped Fuel Supply Bailey D527 Bailey 09F048560 9/23/2009Coal As-Shipped Fuel Supply Bailey D595 Bailey 09F067310 10/10/2009Coal As-Shipped Fuel Supply Bailey D-607 Bailey 09F072980 Bailey Count 9 Bailey Average Bailey Max Bailey Min Bailey StdDev 12/18/2009Coal As-Shipped Fuel Supply Berkley D649 Berkley 09F009840 Berkley Count 1fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

12 12 12 12 12 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 57.18 13,903 5.91 1.38 0.75 2,144 2,210 2,258 2,360 216 2,272 2,324 2,356 2,395 12340.57 20.90 1.30 9.48 11.96 58.46 13,980 6.22 1.50 0.77 2,200 2,265 2,315 2,450 250 2,330 2,360 2,390 2,430 17544.46 23.15 1.56 10.89 15.20 56.43 13,829 5.53 1.26 0.71 2,080 2,155 2,210 2,290 175 2,145 2,245 2,280 2,320 7035.97 19.05 1.15 8.70 10.43 0.53 46 0.25 0.07 0.02 38.26 33.69 34.08 42.66 24.58 55.87 35.08 30.64 30.29 36.36 2.66 1.25 0.11 0.59 1.35 101 101 102 102 101 92 92 92 92 91 92 92 92 92 92 92 92 92 92 92 57.16 13,685 5.51 1.07 0.75 2,132 2,179 2,222 2,303 176 2,263 2,291 2,355 2,411 172 39.67 20.28 1.27 7.13 12.32 65.23 15,231 7.9 1.52 0.93 2770 2805 2825 2840 305 2855 2840 2855 2780 345 55.78 31.51 1.56 10.89 17.69 51.86 13,033 4.43 0.65 0.53 1955 2010 2040 2135 70 2120 200 2220 2295 031.82 16.35 1.08 5.02 1.54 2.37 487 0.91 0.26 0.07 164.45 175.82 178.89 169.2857.40 148.45 260.37 112.65 77.1066.50 5.95 3.19 0.10 1.49 3.70

54.72 12,983 5.49 0.42 0.83 2,105 2,135 2,165 2,260 155 2,205 2,230 2,240 2,305 10039.10 15.84 1.30 6.70 21.41 53.40 12,971 6.00 0.44 0.87 2,095 2,140 2,205 2,295 200 2,200 2,225 2,235 2,305 105 36.37 17.71 1.10 5.29 17.12 53.20 12,898 5.55 0.58 0.88 2,110 2,130 2,150 2,190 80 2,190 2,205 2,210 2,275 85 31.97 15.14 1.26 5.28 23.09 52.17 12,835 6.14 0.56 0.92 2,130 2,145 2,160 2,225 95 2,200 2,215 2,230 2,295 95 38.98 14.67 1.28 4.61 21.20 54.92 12,791 5.30 0.50 0.82 2,080 2,095 2,105 2,170 90 2,170 2,180 2,185 2,245 75 35.16 15.38 1.23 6.06 22.17 55.28 12,754 5.69 0.46 0.81 2,130 2,150 2,215 2,275 145 36.93 17.86 1.30 5.32 19.25 48.08 12,701 6.14 0.48 1.08 2,105 2,130 2,145 2,220 115 2,190 2,200 2,210 2,275 8540.25 15.60 1.28 5.77 20.13 54.60 12,735 6.68 0.48 0.83 2,120 2,145 2,175 2,240 120 2,210 2,230 2,235 2,300 9037.57 16.71 1.24 6.19 19.36 54.94 12,845 6.79 0.48 0.82 2,135 2,155 2,180 2,280 145 2,215 2,230 2,245 2,310 95 38.97 16.81 1.27 6.09 20.79 55.37 12,757 5.81 0.43 0.81 2,170 2,190 2,240 2,315 145 2,220 2,235 2,275 2,315 95 37.57 17.75 1.37 5.46 19.97 53.44 12,762 5.24 0.65 0.87 2,290 2,310 2,330 2,375 85 2,295 2,330 2,355 2,380 85 26.26 15.35 1.28 7.13 26.47 54.10 12,979 5.68 0.70 0.85 2,140 2,160 2,175 2,205 65 2,130 2,160 2,185 2,240 11028.97 14.41 1.27 6.50 26.22 54.20 12,868 6.76 0.47 0.84 2,105 2,135 2,165 2,310 205 2,185 2,215 2,220 2,315 13040.33 17.76 1.25 5.65 18.46 52.85 12,851 6.57 0.54 0.89 2,090 2,110 2,120 2,220 130 2,165 2,175 2,180 2,215 5035.95 17.11 1.28 5.95 21.10 14 14 14 14 14 14 14 14 14 14 13 13 13 13 13 14 14 14 14 14 53.66 12,838 5.99 0.51 0.87 2,129 2,152 2,181 2,256 127 2,198 2,218 2,231 2,290 92 36.03 16.29 1.27 5.86 21.20 55.37 12,983 6.79 0.70 1.08 2,290 2,310 2,330 2,375 205 2,295 2,330 2,355 2,380 13040.33 17.86 1.37 7.13 26.47 48.08 12,701 5.24 0.42 0.81 2,080 2,095 2,105 2,170 65 2,130 2,160 2,180 2,215 50 26.26 14.41 1.10 4.61 17.12 1.87 94 0.54 0.08 0.07 51.89 50.60 55.60 56.2942.59 37.83 41.31 46.06 41.76 18.78 4.22 1.23 0.06 0.66 2.66 60.87 15,131 5.18 2.42 0.64 2,065 2,165 2,285 2,450 385 2,505 2,565 2,580 2,620 11547.96 23.76 0.99 14.29 3.37 60.87 15,119 5.30 2.56 0.64 2,055 2,130 2,200 2,330 275 2,510 2,555 2,570 2,600 9048.4424.05 0.99 14.62 3.18 60.92 15,091 5.29 2.58 0.64 2,075 2,190 2,315 2,435 360 2,435 2,570 2,590 2,630 195 53.00 23.35 1.10 14.98 2.91 60.66 15,141 5.19 2.57 0.65 2,065 2,120 2,220 2,385 320 2,510 2,550 2,580 2,605 9547.95 24.43 1.06 15.15 2.94 61.05 15,023 5.31 2.77 0.64 61.49 15,043 5.48 3.15 0.63 2,050 2,115 2,165 2,315 265 2,475 2,530 2,550 2,575 10046.62 22.87 1.12 21.13 2.85 61.53 15,036 5.40 2.95 0.63 2,095 2,125 2,205 2,450 355 2,570 2,590 2,605 2,635 6547.91 23.28 1.08 19.00 2.43 61.49 15,062 5.92 2.96 0.63 2,130 2,220 2,305 2,420 290 2,440 2,530 2,545 2,575 135 50.92 24.39 1.00 10.68 2.66 60.79 15,106 5.59 2.79 0.65 2,085 2,175 2,320 2,410 325 2,430 2,485 2,545 2,580 15050.45 26.03 1.07 12.33 2.59 9 9 9 9 9 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 61.07 15,084 5.41 2.75 0.64 2,078 2,155 2,252 2,399 322 2,484 2,547 2,571 2,603 11849.16 24.02 1.05 15.27 2.87 61.53 15,141 5.92 3.15 0.65 2,130 2,220 2,320 2,450 385 2,570 2,590 2,605 2,635 195 53.00 26.03 1.12 21.13 3.37 60.66 15,023 5.18 2.42 0.63 2,050 2,115 2,165 2,315 265 2,430 2,485 2,545 2,575 6546.62 22.87 0.99 10.68 2.43 0.34 44 0.23 0.24 0.01 25.91 38.36 60.94 52.2043.09 48.58 32.06 22.27 24.3540.88 2.10 0.98 0.05 3.37 0.31 66.13 14,972 8.43 1.10 0.51 2,420 2,645 2,680 2,745 325 2,700 2,760 2,790 2,815 115 51.68 28.21 1.15 8.37 2.34 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 14 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Berkley Average Berkley Max Berkley Min Berkley StdDev 9/25/2009Coal As-Shipped Fuel Supply Birch Run D591 BirchRun 09F057020 BirchRun Count 1 BirchRun Average BirchRun Max BirchRun Min BirchRun StdDev 1/30/2009Coal As-Shipped Fuel Supply BlackThunder 5 Gallons BlackTHunder 09F010300 3/22/2009Coal As-Shipped Fuel Supply Black Thunder 910386 BlackTHunder 09F029590 3/27/2009Coal As-Shipped Fuel Supply Black Thunder N091041 BlackTHunder 09F029570 3/28/2009Coal As-Shipped Fuel Supply Black Thunder 91047 BlackTHunder 09F029580 4/24/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM060 BlackTHunder 09F032810 4/27/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM062 BlackTHunder 09F032820 4/27/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM025 BlackTHunder 09F032830 5/26/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM072 BlackTHunder 09F049360 5/27/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM073 BlackTHunder 09F049370 6/30/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM080 BlackTHunder 09F048440 9/29/2009Coal As-Shipped Fuel Supply Black Thunder CBTMPCT023 BlackTHunder 09F067360 9/30/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM038 BlackTHunder 09F067370 10/10/2009Coal As-Shipped Fuel Supply Black Thunder CNTMCNM041 BlackTHunder 09F074150 10/15/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM114 BlackTHunder 09F074160 10/17/2009Coal As-Shipped Fuel Supply Black Thunder CBTMSUD067 BlackTHunder 09F074170 BlackTHunder Count 15 BlackTHunder Average BlackTHunder Max BlackTHunder Min BlackTHunder StdDev 12/30/2008Coal As-Shipped Fuel Supply Decker CDKSUD209 Decker 09F006860 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD210 Decker 09F009850 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD004 Decker 09F009860 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD005 Decker 09F009870 1/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD012 Decker 09F013990 1/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD013 Decker 09F014000 2/12/2009Coal As-Shipped Fuel Supply Decker CDKMSUD022 Decker 09F016530 2/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD023 Decker 09F016540 3/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD034 Decker 09F026170 3/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD035 Decker 09F026180 3/3/2009Coal As-Shipped Fuel Supply Decker CDKMSUD036 Decker 09F026190 5/4/2009Coal As-Shipped Fuel Supply Decker CDKMSUD052 Decker 09F033310 5/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD057 Decker 09F033320 5/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD058 Decker 09F033330 7/9/2009Coal As-Shipped Fuel Supply Decker CDKMSUD070 Decker 09F048510 7/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD071 Decker 09F048520 7/11/2009Coal As-Shipped Fuel Supply Decker CDKMSUD072 Decker 09F048530 7/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD086 Decker 09F051030 7/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD087 Decker 09F051040 7/28/2009Coal As-Shipped Fuel Supply Decker CDKMSUD080 Decker 09F049780fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

66.13 14,972 8.43 1.10 0.51 2,420 2,645 2,680 2,745 325 2,700 2,760 2,790 2,815 115 51.68 28.21 1.15 8.37 2.34 66.13 14,972 8.43 1.10 0.51 2,420 2,645 2,680 2,745 325 2,700 2,760 2,790 2,815 115 51.68 28.21 1.15 8.37 2.34 66.13 14,972 8.43 1.10 0.51 2,420 2,645 2,680 2,745 325 2,700 2,760 2,790 2,815 115 51.68 28.21 1.15 8.37 2.34

63.10 15,203 6.70 2.56 0.58 2,510 2,590 2,630 2,725 215 2,615 2,690 2,720 2,795 18055.95 26.33 1.55 10.86 1.48 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 63.10 15,203 6.70 2.56 0.58 2,510 2,590 2,630 2,725 215 2,615 2,690 2,720 2,795 18055.95 26.33 1.55 10.86 1.48 63.10 15,203 6.70 2.56 0.58 2,510 2,590 2,630 2,725 215 2,615 2,690 2,720 2,795 18055.95 26.33 1.55 10.86 1.48 63.10 15,203 6.70 2.56 0.58 2,510 2,590 2,630 2,725 215 2,615 2,690 2,720 2,795 18055.95 26.33 1.55 10.86 1.48

56.21 13,191 4.71 0.58 0.78 2,175 2,255 2,275 2,325 150 2,230 2,260 2,280 2,345 115 26.58 15.19 1.16 6.08 19.98

13,020 5.76 0.73 0.33 2,110 2,170 2,265 2,330 220 2,230 2,250 2,315 2,360 13037.65 17.32 1.44 7.11 17.31 50.72 12,914 5.88 0.50 0.97 2,170 2,190 2,205 2,330 160 2,225 2,245 2,285 2,380 15543.17 17.43 1.39 5.07 16.43 52.03 12,964 5.61 0.59 0.92 2,150 2,180 2,195 2,285 135 2,210 2,240 2,250 2,365 15541.81 17.32 1.41 5.85 17.99 53.18 13,065 5.24 0.58 0.88 2,125 2,140 2,150 2,190 65 2,215 2,220 2,235 2,265 5033.43 17.22 1.53 6.15 23.36 52.98 13,025 5.10 0.63 0.89 2,130 2,150 2,155 2,200 70 2,195 2,215 2,220 2,280 85 30.84 16.21 1.45 6.36 24.87 52.97 13,117 5.23 0.57 0.89 2,090 2,125 2,140 2,210 120 2,220 2,230 2,240 2,285 65 35.66 17.78 1.61 8.02 21.96 52.13 12,976 6.54 0.49 0.92 2,170 2,180 2,200 2,375 205 2,210 2,235 2,255 2,340 13045.62 17.06 1.40 5.80 14.95 51.82 12,980 5.87 0.55 0.93 2,160 2,180 2,215 2,415 255 2,230 2,240 2,250 2,335 105 39.73 16.39 1.36 5.93 18.23 51.80 13,043 5.92 0.56 0.93 2,160 2,180 2,005 2,280 120 2,240 2,260 2,280 2,370 13042.20 17.12 1.55 5.67 20.08 54.93 13,172 6.03 0.62 0.82 2,140 2,175 2,205 2,330 190 2,210 2,235 2,265 2,360 15037.52 18.61 1.36 5.48 18.26 54.67 13,182 5.04 0.72 0.83 2,090 2,145 2,165 2,210 120 2,205 2,225 2,230 2,275 70 29.89 17.02 1.59 6.48 23.26 53.71 13,059 5.52 0.77 0.86 2,090 2,135 2,160 2,200 110 2,205 2,220 2,230 2,275 7032.88 18.31 1.47 7.14 19.34 53.59 13,066 6.24 0.60 0.87 2,125 2,150 2,175 2,315 190 2,195 2,215 2,230 2,325 13042.93 17.76 1.27 5.87 16.31 53.68 12,967 6.04 0.59 0.86 2,135 2,155 2,185 2,295 160 2,220 2,240 2,255 2,340 12038.44 17.43 1.32 6.12 18.46 14 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 53.17 13,049 5.65 0.61 0.85 2,135 2,167 2,180 2,286 151 2,216 2,235 2,255 2,327 111 37.22 17.21 1.42 6.21 19.39 56.21 13,191 6.54 0.77 0.97 2,175 2,255 2,275 2,415 255 2,240 2,260 2,315 2,380 15545.62 18.61 1.61 8.02 24.87 50.72 12,914 4.71 0.49 0.33 2,090 2,125 2,005 2,190 65 2,195 2,215 2,220 2,265 50 26.58 15.19 1.16 5.07 14.95 1.45 85 0.50 0.08 0.15 29.85 31.33 61.98 69.9053.77 13.39 14.70 26.22 39.85 34.69 5.58 0.83 0.12 0.74 2.88 55.98 13,308 4.59 0.72 0.79 2,070 2,090 2,115 2,150 80 2,170 2,240 2,335 2,415 245 31.95 17.19 1.29 5.15 15.61 54.26 13,189 5.37 0.75 0.84 2,035 2,100 2,145 2,245 210 2,130 2,195 2,215 2,275 145 34.87 17.94 1.34 6.63 14.09 54.60 13,252 4.58 0.61 0.83 2,080 2,100 2,125 2,210 130 2,145 2,195 2,210 2,270 125 34.98 16.51 1.38 4.84 16.29 51.57 13,251 5.09 0.78 0.94 2,065 2,100 2,145 2,235 170 2,150 2,205 2,215 2,270 12037.70 16.27 1.12 4.30 11.71 55.98 13,281 4.46 0.89 0.79 1,960 2,020 2,055 2,135 175 2,130 2,315 2,405 2,490 36036.29 18.32 1.13 5.78 10.42 55.84 13,290 4.57 0.88 0.79 1,990 2,005 2,040 2,165 175 2,130 2,215 2,315 2,380 25036.50 18.62 1.14 5.57 9.90 56.26 13,255 4.75 0.88 0.78 1,995 2,025 2,065 2,205 210 2,100 2,165 2,205 2,290 19041.00 16.72 1.13 5.04 13.23 56.69 13,480 4.73 1.00 0.76 1,995 2,020 2,050 2,190 195 2,155 2,245 2,310 2,370 215 38.27 18.66 1.18 5.03 12.81 58.10 13,302 4.22 0.74 0.72 2,150 2,220 2,325 2,365 215 1,960 2,110 2,140 2,200 24038.14 13.90 1.10 3.77 15.75 56.64 13,323 4.30 0.75 0.77 2,125 2,335 2,410 2,450 325 1,985 2,080 2,100 2,175 19038.14 16.92 1.18 3.63 14.34 57.94 13,284 4.53 0.78 0.73 2,035 2,080 2,105 2,150 115 2,165 2,350 2,405 2,460 295 39.14 17.83 1.24 3.97 14.03 59.02 13,284 4.67 0.70 0.69 1,990 2,040 2,085 2,200 210 2,105 2,150 2,200 2,300 19544.51 18.39 1.34 5.44 12.77 58.77 13,314 4.62 0.69 0.70 2,000 2,050 2,105 2,225 225 2,090 2,155 2,205 2,345 25546.11 19.80 1.41 5.50 13.85 58.54 13,047 4.37 0.70 0.71 2,035 2,100 2,150 2,215 180 2,185 2,255 2,300 2,360 175 33.77 19.44 1.46 4.42 16.84 57.81 13,371 5.42 1.02 0.73 1,990 2,080 2,135 2,215 225 2,150 2,220 2,275 2,340 19042.31 19.11 1.29 7.11 10.07 60.20 13,322 4.95 0.88 0.66 2,040 2,050 2,085 2,165 125 2,170 2,220 2,290 2,370 20038.76 18.17 1.33 5.39 13.11 59.62 13,377 5.30 1.10 0.68 2,070 2,145 2,210 2,290 220 2,165 2,220 2,255 2,355 19039.9420.36 1.53 5.21 11.78 56.84 13,252 3.70 0.82 0.76 56.51 13,313 3.94 0.96 0.77

13,332 4.32 0.79 2,020 2,030 2,075 2,155 135 2,150 2,225 2,315 2,405 255 38.91 17.60 1.08 7.45 12.30

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 15 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 9/6/2009Coal As-Shipped Fuel Supply Decker Split for Progression Decker 09F058400 9/7/2009Coal As-Shipped Fuel Supply Decker CDKMSUD089 Decker 09F053120 11/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD120 Decker 09F073550 11/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD121 Decker 09F073560 40120.00Coal As-Shipped Fuel Supply Decker CDKMSUD122 Decker 09F073570 Decker Count 25 Decker Average Decker Max Decker Min Decker StdDev 8/24/2009Coal As-Shipped Fuel Supply Fork Creek D569 ForkCreek 09F067340 ForkCreek Count 1 ForkCreek Average ForkCreek Max ForkCreek Min ForkCreek StdDev 1/25/2009Coal As-Shipped Fuel Supply Goals D415 Goals 09F014220 3/22/2009Coal As-Shipped Fuel Supply Goals D-459 Goals 09F028920 5/17/2009Coal As-Shipped Fuel Supply Goals Goals 09F035020 6/19/2009Coal As-Shipped Fuel Supply Goals D519 Goals 09F046990 9/15/2009Coal As-Shipped Fuel Spply Goals D587 Goals 09F066830 Goals Count 5 Goals Average Goals Max Goals Min Goals StdDev 1/27/2009Coal As-Shipped Fuel Supply Independence D419 Independence 09F016280 Independence Count 1 Independence Average Independence Max Independence Min Independence StdDev 4/30/2009Coal As-Shipped Fuel Supply Jacob's Ranch 5 Gal JacobsRanch 09F028550 6/29/2009Coal As-Shipped Fuel Supply Jacob's Ranch JRMCNM034 JacobsRanch 09F048420 JacobRanch Count 2 JacobRanch Average JacobRanch Max JacobRanch Min JacobRanch StdDev 12/21/2008Coal As-Shipped Fuel Supply ICG Knott D648 Knott 09F006780 1/30/2009Coal As-Shipped Fuel Supply ICG Knott D413 Knott 09F014040 2/25/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F022520 3/26/2009Coal As-Shipped Fuel Supply ICG Knott D465 Knott 09F027380 4/24/2009Coal As-Shipped Fuel Supply ICG Knott D-489 Knott 09F031970 5/14/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F035010 6/30/2009Coal As-Shipped Fuel Supply ICG Knott D529 Knott 09F047020 9/26/2009Coal As-Shipped Fuel Supply ICG Knott D590 Knott 09F066810 10/12/2009Coal As-Shipped Fuel Supply ICG Knott County D-605 Knott 09F072970 Knott Count 9 Knott Average fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

57.73 13,254 4.15 0.87 0.73 2,020 2,080 2,105 2,155 135 2,375 2,440 2,460 2,510 135 33.15 16.87 1.09 7.60 13.09 55.74 13,292 3.74 0.94 0.79 2,000 2,110 2,130 2,155 155 2,380 2,470 2,495 2,515 135 28.29 15.94 1.07 7.88 12.66 55.63 13,419 4.27 0.54 0.80 2,005 2,020 2,060 2,160 155 2,205 2,260 2,300 2,365 16039.75 18.07 1.27 5.52 12.70 55.51 13,438 4.16 0.58 0.80 2,020 2,030 2,080 2,185 165 2,325 2,355 2,395 2,450 125 39.88 19.83 1.31 4.95 12.39 55.71 13,390 4.18 0.78 0.802030.002045.002085.002140.00110.002315.002365.002385.002450.00135.0033.99 19.13 1.22 5.63 12.80 24 25 25 25 24 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 56.73 13,305 4.52 0.81 0.77 2,031 2,082 2,125 2,207 176 2,167 2,246 2,293 2,363 197 37.67 17.90 1.24 5.47 13.15 60.20 13,480 5.42 1.10 0.94 2,150 2,335 2,410 2,450 325 2,380 2,470 2,495 2,515 36046.11 20.36 1.53 7.88 16.84 51.57 13,047 3.70 0.54 0.66 1,960 2,005 2,040 2,135 80 1,960 2,080 2,100 2,175 12028.29 13.90 1.07 3.63 9.90 1.90 85 0.46 0.14 0.06 45.41 74.00 86.92 75.21 52.53 102.94 97.74 100.32 92.3061.34 4.04 1.49 0.13 1.18 1.83 61.92 14,875 8.27 1.59 0.62 2,735 2,810 2,810 2,810 75 2,800 2,835 2,855 2,855 55 56.29 32.41 1.38 4.78 1.13 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 61.92 14,875 8.27 1.59 0.62 2,735 2,810 2,810 2,810 75 2,800 2,835 2,855 2,855 55 56.29 32.41 1.38 4.78 1.13 61.92 14,875 8.27 1.59 0.62 2,735 2,810 2,810 2,810 75 2,800 2,835 2,855 2,855 55 56.29 32.41 1.38 4.78 1.13 61.92 14,875 8.27 1.59 0.62 2,735 2,810 2,810 2,810 75 2,800 2,835 2,855 2,855 55 56.29 32.41 1.38 4.78 1.13

67.54 15,180 7.87 2.12 0.48 2,690 2,735 2,775 2,830 140 2,810 2,840 2,855 2,855 45 58.27 28.62 1.36 8.55 0.94 66.58 15,335 7.59 1.99 0.50 2,605 2,685 2,710 2,711 106 2,805 2,855 2,855 2,855 5056.55 28.29 1.32 7.80 1.00 66.87 15,319 7.27 2.04 0.50 2,685 2,730 2,760 2,820 135 2,775 2,825 2,835 2,840 65 55.90 28.29 1.36 9.34 1.10 67.36 15,395 5.38 2.02 0.48 2,495 2,545 2,590 2,675 180 2,630 2,705 2,745 2,795 165 51.19 25.64 1.11 11.63 3.04 62.38 14,986 6.23 1.40 0.60 2,600 2,695 2,730 2,805 205 2,595 2,655 2,725 2,800 205 55.72 31.52 1.27 7.04 1.81 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 66.15 15,243 6.87 1.91 0.51 2,615 2,678 2,713 2,768 153 2,723 2,776 2,803 2,829 10655.53 28.47 1.28 8.87 1.58 67.54 15,395 7.87 2.12 0.60 2,690 2,735 2,775 2,830 205 2,810 2,855 2,855 2,855 205 58.27 31.52 1.36 11.63 3.04 62.38 14,986 5.38 1.40 0.48 2,495 2,545 2,590 2,675 106 2,595 2,655 2,725 2,795 45 51.19 25.64 1.11 7.04 0.94 2.14 164 1.04 0.29 0.05 79.45 77.43 73.28 70.38 39.16 102.51 90.03 63.01 29.45 73.86 2.62 2.09 0.10 1.76 0.89 62.30 15,156 7.14 1.49 0.61 2,770 2,840 2,840 2,840 70 2,840 2,840 2,840 2,840 054.56 29.60 1.09 6.92 1.54 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 62.30 15,156 7.14 1.49 0.61 2,770 2,840 2,840 2,840 70 2,840 2,840 2,840 2,840 054.56 29.60 1.09 6.92 1.54 62.30 15,156 7.14 1.49 0.61 2,770 2,840 2,840 2,840 70 2,840 2,840 2,840 2,840 054.56 29.60 1.09 6.92 1.54 62.30 15,156 7.14 1.49 0.61 2,770 2,840 2,840 2,840 70 2,840 2,840 2,840 2,840 054.56 29.60 1.09 6.92 1.54

51.80 13,037 4.52 0.65 0.93 2,145 2,180 2,210 2,245 100 2,185 2,215 2,230 2,290 105 26.49 15.94 1.59 9.22 24.00 50.83 13,015 5.69 0.82 0.97 2,115 2,130 2,140 2,210 95 2,190 2,195 2,205 2,245 55 31.11 17.65 1.60 6.53 21.82 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 51.32 13,026 5.11 0.74 0.95 2,130 2,155 2,175 2,228 98 2,188 2,205 2,218 2,268 80 28.80 16.80 1.60 7.88 22.91 51.80 13,037 5.69 0.82 0.97 2,145 2,180 2,210 2,245 100 2,190 2,215 2,230 2,290 105 31.11 17.65 1.60 9.22 24.00 50.83 13,015 4.52 0.65 0.93 2,115 2,130 2,140 2,210 95 2,185 2,195 2,205 2,245 55 26.49 15.94 1.59 6.53 21.82 0.69 16 0.83 0.12 0.03 21.21 35.36 49.50 24.75 3.54 3.54 14.14 17.68 31.82 35.36 3.27 1.21 0.01 1.90 1.54 60.86 14,998 6.95 2.05 0.64 2,160 2,435 2,490 2,570 410 2,525 2,605 2,630 2,695 17050.5425.68 1.10 10.89 3.61 60.95 14,942 7.42 2.29 0.64 2,505 2,555 2,580 2,650 145 2,620 2,725 2,740 2,780 16053.58 26.44 1.44 10.90 1.44 60.78 15,021 7.58 2.12 0.65 2,595 2,630 2,665 2,735 140 2,720 2,765 2,785 2,820 10056.57 26.64 1.28 10.38 1.44 60.40 15,456 6.63 2.16 0.66 2,520 2,575 2,610 2,670 150 2,680 2,740 2,755 2,795 115 51.59 27.00 1.32 10.02 2.66 60.61 15,042 6.92 2.13 0.65 2,540 2,595 2,640 2,715 175 2,665 2,720 2,740 2,830 165 51.4427.32 1.42 8.95 1.81 60.86 14,950 6.66 2.16 0.64 2,505 2,565 2,600 2,660 155 2,655 2,715 2,730 2,780 125 51.97 27.84 1.39 10.63 2.18 60.75 14,964 6.51 2.15 0.65 2,495 2,575 2,605 2,690 195 2,670 2,730 2,750 2,820 15050.63 27.45 1.14 10.16 2.45 61.51 14,978 6.80 2.13 0.63 2,480 2,515 2,585 2,630 150 2,590 2,720 2,740 2,785 195 53.20 27.73 1.31 9.38 2.06 60.58 14,969 6.66 2.23 0.65 2,395 2,480 2,535 2,575 180 2,485 2,615 2,680 2,715 23052.83 28.65 1.44 10.33 2.56 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 60.81 15,036 6.90 2.16 0.65 2,466 2,547 2,590 2,655 189 2,623 2,704 2,728 2,780 157 52.48 27.19 1.32 10.18 2.25

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 16 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Knott Max Knott Min Knott StdDev 12/22/2008Coal As-Shipped Fuel Supply Long Fork MIM60 LongFork 09F003970 2/26/2009Coal As-Shipped Fuel Supply Long Fork MIM 30 LongFork 09F022560 3/27/2009Coal As-Shipped Fuel Supply Long Fork mim57 LongFork 09F028910 4/17/2009Coal As-Shipped Fuel Supply Long Fork MIM10 LongFork 09F032460 9/22/2009Coal As-Shipped Fuel Supply Long Fork MIM52 LongFork 09F067330 12/27/2009Coal As-Shipped Fuel Supply Long Fork MIM40 LongFork 09F008180 LongFork Count 6 LongFork Average LongFork Max LongFork Min LongFork StdDev 3/1/2009Coal As-Shipped Fuel Supply Marfork Marfork 09F022500 Marfork Count 1 Marfork Average Marfork Max Marfork Min Marfork StdDev 3/12/2009Coal As-Shipped Fuel Supply Mountain Laurel D450 Mountain Laural 09F031690 5/22/2009Coal As-Shipped Fuel Supply Mountain Laurel D 505 Mountain Laural 09F035030 6/27/2009Coal As-Shipped Fuel Supply Mountain Laurel D526 Mountain Laural 09F049400 9/22/2009Coal As-Shipped Fuel Supply Mt. Laurel D588 Mountain Laural 09F067300 Mountain Laural Count 4 Mountain Laural Average Mountain Laural Max Mountain Laural Min Mountain Laural StdDev 2/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD09A NorthAntelope 09F014050 2/17/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO08A NorthAntelope 09F026910 3/2/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO09A NorthAntelope 09F026200 4/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD061A NorthAntelope 09F026920 4/9/2009Coal As-Shipped Fuel Supply North Antelope NAMSUD068A NorthAntelope 09F032470 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO23A NorthAntelope 09F033250 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO22A NorthAntelope 09F033260 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO21A NorthAntelope 09F033270 6/26/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT028A NorthAntelope 09F049740 6/30/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT029A North Antelope 09F049750 7/4/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT030A North Antelope 09F049760 10/6/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO41A NorthAntelope 09F073020 10/9/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD248A NorthAntelope 09F073030 11/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO48A NorthAntelope 09F073010 NorthAntelope Count 14 NorthAntelope Average NorthAntelope Max NorthAntelope Min NorthAntelope StdDev 12/15/2008Coal As-Shipped Fuel Supply Perry County D646 Perry 09F006810 6/13/2009Coal As-Shipped Fuel Supply Perry Coal Perry 09F035000fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

61.51 15,456 7.58 2.29 0.66 2,595 2,630 2,665 2,735 410 2,720 2,765 2,785 2,830 23056.57 28.65 1.44 10.90 3.61 60.40 14,942 6.51 2.05 0.63 2,160 2,435 2,490 2,570 140 2,485 2,605 2,630 2,695 10050.5425.68 1.10 8.95 1.44 0.3123 1610.3684090.06830.0088126.387 60.42152.440456.73484.91876.97455.327345.833346.636940.4661.86740.8740.12550.65830.6801 49.09 15,003 6.76 1.67 1.04 2,515 2,610 2,640 2,700 185 2,595 2,720 2,755 2,825 23052.25 28.18 1.44 8.24 2.79 59.99 14,979 6.52 1.95 0.67 2,560 2,700 2,755 2,835 275 2,775 2,810 2,835>2856 85 55.50 28.05 1.50 7.71 2.55 58.76 14,955 7.26 1.86 0.70 2,600 2,670 2,690 2,760 160 2,710 2,755 2,775 2,835 125 51.65 27.39 1.49 7.12 3.30 59.80 14,967 7.67 2.13 0.67 2,620 2,660 2,680 2,760 140 2,705 2,775 2,795 2,830 125 51.87 27.10 1.45 8.27 2.10 61.54 14,950 7.01 2.00 0.62 2,505 2,590 2,635 2,685 180 2,615 2,695 2,730 2,775 16052.52 29.51 1.30 7.98 2.23 60.51 14,932 6.24 1.78 0.65 2,595 2,665 2,705 2,760 165 2,725 2,785 2,795 2,835 11048.40 28.50 1.36 7.86 4.68 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 58.28 14,964 6.91 1.90 0.73 2,566 2,649 2,684 2,750 184 2,688 2,757 2,781 2,820 139 52.03 28.12 1.42 7.86 2.94 61.54 15,003 7.67 2.13 1.04 2,620 2,700 2,755 2,835 275 2,775 2,810 2,835 2,835 23055.50 29.51 1.50 8.27 4.68 49.09 14,932 6.24 1.67 0.62 2,505 2,590 2,635 2,685 140 2,595 2,695 2,730 2,775 8548.40 27.10 1.30 7.12 2.10 4.59 25 0.52 0.16 0.16 47.48 41.04 44.43 53.3947.27 68.83 42.74 36.39 25.5050.74 2.27 0.86 0.08 0.42 0.95 66.85 15,317 8.53 1.81 0.50 2,825 2,840 2,841 2,841 16 2,853 2,853 2,853 2,853 061.68 27.58 1.20 6.56 0.95 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 66.85 15,317 8.53 1.81 0.50 2,825 2,840 2,841 2,841 16 2,853 2,853 2,853 2,853 061.68 27.58 1.20 6.56 0.95 66.85 15,317 8.53 1.81 0.50 2,825 2,840 2,841 2,841 16 2,853 2,853 2,853 2,853 061.68 27.58 1.20 6.56 0.95 66.85 15,317 8.53 1.81 0.50 2,825 2,840 2,841 2,841 16 2,853 2,853 2,853 2,853 061.68 27.58 1.20 6.56 0.95

63.24 15,057 9.86 1.44 0.58 63.10 15,167 9.66 1.39 0.58 2,840 2,840 2,840 2,840 0 2,840 2,840 2,840 2,840 059.59 29.19 1.44 4.74 1.24 63.05 15,235 9.83 1.43 0.59 2,840 2,840 2,840 2,840 0 2,840 2,840 2,840 2,840 059.1030.59 1.90 4.87 1.25 62.74 15,330 5.62 1.44 0.59 2,810 2,810 2,810 2,810 0 2,850 2,850 2,850 2,850 056.41 32.52 1.37 4.18 1.54 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 63.03 15,197 8.74 1.43 0.59 2,830 2,830 2,830 2,830 0 2,843 2,843 2,843 2,843 058.37 30.77 1.57 4.60 1.34 63.24 15,330 9.86 1.44 0.59 2,840 2,840 2,840 2,840 0 2,850 2,850 2,850 2,850 059.59 32.52 1.90 4.87 1.54 62.74 15,057 5.62 1.39 0.58 2,810 2,810 2,810 2,810 0 2,840 2,840 2,840 2,840 056.41 29.19 1.37 4.18 1.24 0.21 115 2.08 0.02 0.01 17.32 17.32 17.32 17.32 0.00 5.77 5.77 5.77 5.77 0.00 1.71 1.67 0.29 0.37 0.17 51.93 12,892 5.31 0.47 0.93 2,085 2,115 2,145 2,195 110 2,190 2,200 2,210 2,260 7034.99 17.70 1.29 5.2422.55 53.48 12,917 4.92 0.43 0.87 2,125 2,150 2,170 2,220 95 2,145 2,170 2,180 2,250 105 32.35 16.14 1.48 5.65 24.31 52.73 12,853 5.49 0.53 0.90 2,115 2,145 2,165 2,290 175 2,205 2,220 2,240 2,300 95 36.82 18.33 1.28 5.1420.39 53.86 12,992 5.37 0.48 0.86 2,125 2,140 2,160 2,235 110 2,215 2,225 2,235 2,315 10037.37 18.73 1.26 5.00 18.37 53.47 13,086 4.84 0.46 0.87 2,130 2,145 2,160 2,270 140 2,235 2,245 2,250 2,330 95 33.51 19.51 1.47 5.30 16.98 53.81 12,947 5.58 0.45 0.86 2,120 2,135 2,155 2,205 85 2,220 2,235 2,255 2,315 95 33.55 17.67 1.33 6.20 20.56 54.03 12,935 5.23 0.35 0.85 2,130 2,150 2,180 2,260 130 2,215 2,230 2,240 2,340 125 34.33 18.17 1.32 5.22 21.75 53.08 12,957 5.09 0.41 0.88 2,125 2,140 2,160 2,195 70 2,195 2,215 2,220 2,260 65 31.92 16.43 1.41 5.3424.02

12,930 5.56 0.42 2,120 2,135 2,145 2,250 130 2,210 2,215 2,225 2,300 9034.89 17.60 1.28 5.35 20.57 12,933 5.15 0.40 3.18 2,115 2,125 2,140 2,175 60 2,195 2,200 2,210 2,240 45 30.41 16.41 1.32 5.43 27.25 12,978 5.10 0.42 3.02 2,115 2,130 2,145 2,215 100 2,195 2,210 2,210 2,265 7032.99 18.25 1.41 5.55 22.05 53.27 12,981 5.54 0.48 0.88 2,060 2,110 2,125 2,190 130 2,185 2,190 2,195 2,225 4034.55 16.32 1.24 5.96 23.66 48.80 12,930 4.91 0.48 1.05 2,145 2,170 2,190 2,220 75 2,120 2,165 2,195 2,265 145 30.17 16.19 1.37 6.48 27.20 53.17 12,998 5.10 0.44 0.88 2,095 2,105 2,125 2,200 105 2,180 2,190 2,195 2,230 50 11 14 14 14 13 14 14 14 14 14 14 14 14 14 14 13 13 13 13 13 52.88 12,952 5.23 0.44 1.23 2,115 2,135 2,155 2,223 108 2,193 2,208 2,219 2,278 85 33.68 17.50 1.34 5.53 22.28 54.03 13,086 5.58 0.53 3.18 2,145 2,170 2,190 2,290 175 2,235 2,245 2,255 2,340 145 37.37 19.51 1.48 6.48 27.25 48.80 12,853 4.84 0.35 0.85 2,060 2,105 2,125 2,175 60 2,120 2,165 2,180 2,225 4030.17 16.14 1.24 5.00 16.98 1.47 55 0.25 0.04 0.83 21.52 17.48 18.76 33.78 31.11 30.10 23.51 23.07 37.81 30.19 2.16 1.10 0.08 0.44 3.04 61.67 14,992 6.27 1.18 0.62 2,650 2,745 2,770 2,840 190 2,735 2,825 2,845 2,835 11051.56 28.62 1.15 7.00 2.50 61.68 15,019 5.62 1.52 0.62 2,735 2,810 2,835 2,835 100 2,835 2,840 2,840 2,840 5 53.13 30.98 1.50 7.82 2.13

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 17 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 6/30/2009Coal As-Shipped Fuel Supply Perry D524 Perry 09F046980 9/11/2009Coal As-Shipped Fuel Supply Perry D581 Perry 09F066850 10/12/2009Coal As-Shipped Fuel Supply Perry D-614 Perry 09F072960 Perry Count 5 Perry Average Perry Max Perry Min Perry StdDev 12/16/2008Coal As-Shipped Fuel Supply Pevler Pevler 09F000900 12/30/2008Coal As-Shipped Fuel Supply Pevler MIM43 Pevler 09F006830 1/30/2009Coal As-Shipped Fuel Supply Pevler MIM80 Pevler 09F014010 2/26/2009Coal As-Shipped Fuel Supply Pevler D454 Pevler 09F022540 3/29/2009Coal As-Shipped Fuel Supply Pevler mim97 Pevler 09F028950 4/23/2009Coal As-Shipped Fuel Supply Pevler MIM04 Pevler 09F032780 5/28/2009Coal As-Shipped Fuel Supply Pevler MIT84 Pevler 09F049340 6/27/2009Coal As-Shipped Fuel Supply Pevler MIM94 Pevler 09F048540 8/3/2009Coal As-Shipped Fuel Supply Pevler MIM 39 Pevler 09F061650 9/29/2009Coal As-Shipped Fuel Supply Pevler MIM58 Pevler 09F066820 10/29/2009Coal As-Shipped Fuel Supply Pevler MIM 97 Pevler 09F072950 Pevler Count 11 Pevler Average Pevler Max Pevler Min Pevler StdDev 12/28/2008Coal As-Shipped Fuel Supply Premeir Elkhorn D404 PremierElkhorn 09F006790 2/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D437 PremierElkhorn 09F022550 3/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-468 PremierElkhorn 09F028940 4/26/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D490 PremierElkhorn 09F032790 5/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D506 PremierElkhorn 09F047030 6/20/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D518 PremierElkhorn 09F048580 9/30/2009Coal As-Shipped Fuel Supply Premier Elkhorn D598 PremierElkhorn 09F066840 9/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-598 PremierElkhorn 09F072990 10/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-611 PremierElkhorn 09F073000 PremierElkhorn Count 9 PremierElkhorn Average PremierElkhorn Max PremierElkhorn Min PremierElkhorn StdDev 1/27/2009Coal As-Shipped Fuel Supply Saphire D416 Sapphire 09F010310 2/8/2009Coal As-Shipped Fuel Supply Saphire D426 Sapphire 09F014020 3/16/2009Coal As-Shipped Fuel Supply Saphire D454 Sapphire 09F022530 4/20/2009Coal As-Shipped Fuel Supply Sapphire D480 Sapphire 09F028190 6/9/2009Coal As-Shipped Fuel Supply Saphire D515 Sapphire 09F049410 6/26/2009Coal As-Shipped Fuel Supply Sapphire D521 Sapphire 09F047000 7/20/2009Coal As-Shipped Fuel Supply Sapphire D543 Sapphire 09F047010 8/27/2009Coal As-Shipped Fuel Supply Saphire D568 Sapphire 09F067350 9/24/2009Coal As-Shipped Fuel Supply Saphire D594 Sapphire 09F066800 11/16/2009Coal As-Shipped Fuel Supply Saphire D622 Sapphire 09F072940 12/6/2009Coal As-Shipped Fuel Supply Saphire D 641 Sapphire 09F074400 12/11/2008Coal As-Shipped Fuel Supply Saphire D645 Sapphire 09F003990fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

61.77 15,026 5.61 1.32 0.62 2,795 2,840 2,840 2,840 45 2,840 2,840 2,840 2,840 053.0630.73 1.40 6.48 2.27 59.93 14,866 6.72 2.36 0.67 2,480 2,575 2,615 2,665 185 2,595 2,625 2,750 2,785 19049.77 30.74 1.05 10.92 2.36 61.77 14,992 5.14 0.91 0.62 2,605 2,745 2,810 2,840 235 2,815 2,840 2,840 2,840 25 53.21 33.76 1.35 6.69 2.43 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 61.36 14,979 5.87 1.46 0.63 2,653 2,743 2,774 2,804 151 2,764 2,794 2,823 2,828 6652.15 30.97 1.29 7.78 2.34 61.77 15,026 6.72 2.36 0.67 2,795 2,840 2,840 2,840 235 2,840 2,840 2,845 2,840 19053.21 33.76 1.50 10.92 2.50 59.93 14,866 5.14 0.91 0.62 2,480 2,575 2,615 2,665 45 2,595 2,625 2,750 2,785 049.77 28.62 1.05 6.48 2.13 0.80 65 0.62 0.55 0.02 121.58 102.63 93.10 77.73 76.76 103.46 94.70 40.87 24.1482.26 1.49 1.83 0.19 1.83 0.14 60.48 14,838 6.22 2.08 0.65 2,505 2,630 2,660 2,770 265 2,695 2,765 2,775 2,850 15547.19 29.76 1.04 9.90 2.61 59.79 14,751 7.72 2.24 0.67 2,525 2,660 2,685 2,775 250 2,690 2,760 2,780 2,845 15545.71 28.29 1.06 10.68 4.19 59.06 14,779 6.92 2.25 0.69 2,665 2,715 2,740 2,780 115 2,780 2,815 2,825 2,853 7347.81 30.77 0.97 8.97 2.54 59.65 14,841 7.12 2.35 0.68 2,670 2,700 2,710 2,755 85 2,785 2,820 2,845 2,855 7052.65 29.22 1.17 10.38 2.37 58.46 14,917 6.43 2.45 0.71 2,595 2,660 2,675 2,715 120 2,700 2,785 2,795 2,830 13048.6030.00 0.98 10.13 2.31 59.45 14,879 6.55 2.31 0.68 2,640 2,720 2,730 2,760 120 2,775 2,800 2,815 2,839 6448.35 30.89 1.19 10.24 2.32 59.32 14,773 7.98 2.58 0.69 2,605 2,650 2,685 2,785 180 2,720 2,760 2,780 2,820 10049.52 28.82 1.35 12.38 2.36 60.90 14,758 7.22 2.27 0.64 2,640 2,695 2,720 2,805 165 2,725 2,775 2,795 2,855 13048.77 28.50 1.17 10.99 2.98 59.47 14,821 6.95 2.45 0.68 2,440 2,495 2,535 2,685 245 2,685 2,715 2,740 2,790 10547.1430.96 1.07 11.51 3.30 67.04 15,239 6.48 2.58 0.49 2,520 2,550 2,605 2,680 160 2,655 2,720 2,745 2,795 14051.49 29.63 1.18 11.74 1.43 59.23 14,845 7.26 2.22 0.69 2,645 2,685 2,715 2,760 115 2,760 2,800 2,825 2,840 8049.95 32.76 1.13 9.11 2.29 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 60.26 14,858 6.99 2.34 0.66 2,586 2,651 2,678 2,752 165 2,725 2,774 2,793 2,834 10948.83 29.96 1.12 10.55 2.61 67.04 15,239 7.98 2.58 0.71 2,670 2,720 2,740 2,805 265 2,785 2,820 2,845 2,855 155 52.65 32.76 1.35 12.38 4.19 58.46 14,751 6.22 2.08 0.49 2,440 2,495 2,535 2,680 85 2,655 2,715 2,740 2,790 6445.71 28.29 0.97 8.97 1.43 2.34 136 0.55 0.16 0.06 76.81 70.35 60.76 40.88 62.71 44.30 34.84 33.19 23.13 34.43 2.00 1.31 0.11 1.06 0.70 60.92 14,909 7.36 2.41 0.64 2,315 2,490 2,550 2,640 325 2,545 2,685 2,720 2,775 23050.55 26.19 1.24 11.73 1.92 59.61 14,999 6.48 2.70 0.68 2,135 2,295 2,455 2,560 425 2,560 2,610 2,640 2,700 14051.93 26.05 1.16 14.71 2.14 59.24 14,993 5.63 2.62 0.69 2,035 2,110 2,270 2,425 390 2,550 2,600 2,620 2,650 10048.90 25.71 1.23 14.51 2.12 60.37 15,055 6.53 2.61 0.66 2,460 2,515 2,540 2,620 160 2,565 2,665 2,700 2,745 18048.77 27.10 1.22 14.18 1.63 60.43 15,012 6.30 2.33 0.65 2,285 2,455 2,510 2,595 310 2,565 2,630 2,675 2,730 165 50.08 26.49 1.18 13.43 2.21

15,059 6.26 2.44 60.97 15,071 5.97 2.23 0.64 2,260 2,405 2,470 2,530 270 2,515 2,625 2,650 2,705 19051.03 28.07 1.21 12.99 1.82 59.97 14,952 5.89 2.18 0.67 2,290 2,425 2,495 2,520 230 2,430 2,525 2,620 2,675 245 52.08 29.27 1.30 12.70 1.87 60.83 14,923 6.11 2.34 0.64 2,215 2,485 2,535 2,585 370 2,565 2,675 2,695 2,735 17052.20 26.16 1.23 11.36 1.96 8 9 9 9 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 60.29 14,997 6.28 2.43 0.66 2,249 2,398 2,478 2,559 310 2,537 2,627 2,665 2,714 17850.69 26.88 1.22 13.20 1.96 60.97 15,071 7.36 2.70 0.69 2,460 2,515 2,550 2,640 425 2,565 2,685 2,720 2,775 245 52.20 29.27 1.30 14.71 2.21 59.24 14,909 5.63 2.18 0.64 2,035 2,110 2,270 2,425 160 2,430 2,525 2,620 2,650 10048.77 25.71 1.16 11.36 1.63 0.64 59 0.50 0.18 0.02 126.45 134.85 90.59 68.21 87.79 46.36 51.47 38.08 40.1346.45 1.37 1.22 0.04 1.24 0.19 60.28 15,135 5.69 2.40 0.66 2,085 2,200 2,400 2,460 375 2,550 2,610 2,620 2,670 12047.98 25.84 1.22 14.31 2.12 60.52 15,111 5.36 2.39 0.65 2,055 2,425 2,480 2,525 470 2,590 2,650 2,665 2,720 13047.81 26.96 1.26 12.80 1.93 60.81 15,173 5.73 2.30 0.64 2,445 2,480 2,510 2,595 150 2,595 2,650 2,685 2,725 13053.12 25.35 1.31 13.18 1.84 60.27 15,112 5.69 2.29 0.66 2,165 2,500 2,560 2,625 460 2,635 2,685 2,715 2,745 11050.11 32.90 1.21 7.51 2.33 60.33 15,125 5.29 2.44 0.66 2,120 2,300 2,455 2,560 440 2,550 2,615 2,650 2,690 14047.91 25.69 1.43 18.04 2.13 61.09 15,130 6.07 2.62 0.64 2,160 2,440 2,490 2,545 385 2,585 2,645 2,660 2,700 11549.20 25.01 1.18 14.17 2.24 60.56 15,178 5.93 2.47 0.65 2,115 2,260 2,455 2,545 430 2,600 2,635 2,660 2,710 11048.87 24.80 1.25 14.69 2.31 63.02 15,333 5.51 1.40 0.59 2,855 2,855 2,855 2,855 0 2,855 2,855 2,855 2,855 055.49 32.74 1.38 4.40 1.53 61.44 15,098 5.16 2.39 0.63 2,115 2,290 2,390 2,455 340 2,440 2,575 2,600 2,620 18048.7426.28 1.32 15.04 2.35 60.37 15,053 5.38 2.44 0.66 2,070 2,180 2,310 2,445 375 2,400 2,550 2,570 2,610 21048.20 27.40 1.23 13.31 2.48 59.98 15,223 4.96 2.47 0.67 49.55 24.78 1.28 14.90 2.49

15,197 5.54 2.44 0.92 2,070 2,205 2,420 2,515 445 2,505 2,580 2,615 2,675 17048.65 25.79 1.16 15.61 2.21

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 18 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Sapphire Count 12 Sapphire Average Sapphire Max Sapphire Min Sapphire StdDev 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F014210 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F022510 3/20/2009Coal As-Shipped Fuel Supply ICG Sentinal D467 Sentenial 09F028180 4/11/2009Coal As-Shipped Fuel Supply ICG Senteniel D470 Sentenial 09F032800 6/25/2009Coal As-Shipped Fuel Supply ICG Sentinal D520 Sentenial 09F048570 Sentenial Count 5 Sentenial Average Sentenial Max Sentenial Min Sentenial StdDev 3/31/2009Coal As-Shipped Fuel Supply Sidney mim05 Sidney 09F028930 4/12/2009Coal As-Shipped Fuel Supply Sidney MIM Sidney 09F032450 5/4/2009Coal As-Shipped Fuel Supply Sidney MIM49 Sidney 09F049390 5/20/2009Coal As-Shipped Fuel Supply Sidney MIT81 Sidney 09F049380 9/24/2009Coal As-Shipped Fuel Supply Sidney MIM81 Sidney 09F067320 Sidney Count 5 Sidney Average Sidney Max Sidney Min Sidney StdDev 12/17/2008Coal As-Shipped Fuel Supply Spring Creek SCMSUD420 SpringCreek 08F004150 12/29/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD420 SpringCreek 09F006880 12/31/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD429 SpringCreek 09F006890 1/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD014 SpringCreek 09F016490 1/31/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD015 SpringCreek 09F016500 2/22/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD040 SpringCreek 09F026140 2/28/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD046 SpringCreek 09F026150 3/5/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD050 SpringCreek 09F026160 4/20/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD120 SpringCreek 09F033280 5/1/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD141 SpringCreek 09F033290 5/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD162 SpringCreek 09F033300 6/3/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD255 SpringCreek 09F048410 6/27/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD250 SpringCreek 09F049770 6/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD254 SpringCreek 09F048400 8/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD373 SpringCreek 09F070100 9/28/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD427 SpringCreek 09F070110 9/30/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD431 SpringCreek 09F070120 10/12/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD451 SpringCreek 09F073520 10/18/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD462 SpringCreek 09F073530 10/22/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD470 SpringCreek 09F073540 12/8/2009Coal As-Shipped Fuel Supply Spring Creek SCSMSUD410 SpringCreek 09F006870 SpringCreek Count 21 SpringCreek Average SpringCreek Max SpringCreek Min fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

11 12 12 12 12 11 11 11 11 11 11 11 11 11 11 12 12 12 12 12 60.79 15,156 5.53 2.34 0.67 2,205 2,376 2,484 2,557 352 2,573 2,641 2,663 2,702 12949.6426.96 1.27 13.16 2.16 63.02 15,333 6.07 2.62 0.92 2,855 2,855 2,855 2,855 470 2,855 2,855 2,855 2,855 21055.49 32.90 1.43 18.04 2.49 59.98 15,053 4.96 1.40 0.59 2,055 2,180 2,310 2,445 0 2,400 2,550 2,570 2,610 047.81 24.78 1.16 4.40 1.53 0.85 73 0.32 0.31 0.08 240.94 196.82 140.03 114.15146.65 117.61 81.20 75.51 65.7853.48 2.34 2.85 0.08 3.69 0.28 65.17 15,405 7.19 2.09 0.53 2,680 2,735 2,760 2,840 160 2,800 2,845 2,855 2,855 5549.97 32.22 1.24 8.98 2.69 65.27 15,491 7.34 2.19 0.53 2,665 2,760 2,785 2,840 175 2,835 2,853 2,853 2,853 1853.95 30.86 1.16 8.04 2.62 65.32 15,483 7.34 2.19 0.53 2,665 2,715 2,740 2,825 160 2,810 2,835 2,850 2,854 4447.50 27.22 1.31 12.86 2.14 65.54 15,485 7.16 2.13 0.53 2,610 2,690 2,730 2,800 190 2,730 2,810 2,820 2,840 9049.73 31.11 1.30 7.63 2.53

15,488 7.00 2.09 1.02 2,700 2,710 2,775 2,820 120 2,780 2,795 2,820 2,840 6049.85 32.16 1.29 10.44 4.00 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 65.33 15,470 7.21 2.14 0.63 2,664 2,722 2,758 2,825 161 2,791 2,828 2,840 2,848 53 50.2030.71 1.26 9.59 2.80 65.54 15,491 7.34 2.19 1.02 2,700 2,760 2,785 2,840 190 2,835 2,853 2,855 2,855 9053.95 32.22 1.31 12.86 4.00 65.17 15,405 7.00 2.09 0.53 2,610 2,690 2,730 2,800 120 2,730 2,795 2,820 2,840 1847.50 27.22 1.16 7.63 2.14 0.16 37 0.14 0.05 0.22 33.43 26.60 23.08 16.58 26.08 39.43 24.37 17.98 7.70 26.11 2.33 2.05 0.06 2.12 0.71 59.81 14,961 6.94 1.87 0.67 2,660 2,685 2,705 2,711 51 2,790 2,830 2,855 2,855 65 53.76 28.96 1.48 7.35 2.70 60.47 15,079 7.48 2.15 0.65 2,730 2,755 2,770 2,810 80 2,805 2,840 2,840 2,840 35 51.65 29.27 1.39 7.26 1.76 59.79 14,924 6.55 2.03 0.67 2,540 2,620 2,680 2,745 205 2,695 2,770 2,780 2,815 12051.1427.56 1.48 10.48 2.69 60.89 15,019 6.72 2.24 0.64 2,550 2,605 2,665 2,715 165 2,710 2,785 2,810 2,860 15049.31 27.04 1.41 12.70 2.46 62.71 15,076 6.71 2.14 0.59 2,515 2,550 2,610 2,675 160 2,630 2,765 2,790 2,820 19051.83 30.40 1.25 8.22 1.69 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 60.73 15,012 6.88 2.09 0.64 2,599 2,643 2,686 2,731 132 2,726 2,798 2,815 2,838 112 51.5428.65 1.40 9.20 2.26 62.71 15,079 7.48 2.24 0.67 2,730 2,755 2,770 2,810 205 2,805 2,840 2,855 2,860 19053.7630.40 1.48 12.70 2.70 59.79 14,924 6.55 1.87 0.59 2,515 2,550 2,610 2,675 51 2,630 2,765 2,780 2,815 3549.31 27.04 1.25 7.26 1.69 1.20 69 0.36 0.14 0.03 91.95 78.95 58.46 50.57 64.16 72.06 34.75 32.02 20.19 62.71 1.59 1.35 0.09 2.35 0.50 54.21 13,032 4.74 0.60 0.84 33.22 16.23 1.14 4.42 14.10 54.88 13,241 5.21 0.59 0.82 2,050 2,085 2,150 2,215 165 2,120 2,200 2,225 2,315 195 37.70 17.50 1.27 3.92 14.96 55.08 13,207 4.00 0.60 0.82 2,040 2,135 2,165 2,210 170 2,290 2,380 2,425 2,470 18026.74 17.19 1.35 4.93 16.79 54.91 13,216 4.13 0.73 0.82 2,030 2,120 2,170 2,245 215 2,295 2,400 2,445 2,460 165 27.45 18.19 1.36 4.43 16.38 56.22 13,181 4.62 0.77 0.78 2,030 2,095 2,110 2,155 125 2,330 2,410 2,440 2,505 175 35.06 18.07 1.22 4.26 14.28 54.20 13,294 4.71 0.71 0.84 2,080 2,090 2,105 2,175 95 2,195 2,400 2,420 2,495 30035.93 16.31 1.21 5.12 14.54 55.67 13,289 3.92 0.72 0.80 2,005 2,130 2,150 2,220 215 2,255 2,400 2,480 2,570 315 33.17 17.22 1.29 4.67 16.36 54.87 13,227 4.22 0.65 0.82 2,090 2,110 2,125 2,255 165 2,190 2,315 2,410 2,500 31035.71 16.31 1.25 4.61 15.45 55.16 13,248 4.77 0.76 0.81 2,060 2,070 2,090 2,180 120 2,175 2,225 2,305 2,415 24038.02 19.34 1.41 5.44 15.39 54.94 13,253 4.85 0.70 0.82 2,050 2,095 2,115 2,175 125 2,175 2,310 2,390 2,435 26038.96 17.55 1.36 5.47 14.96 54.45 13,224 4.93 0.70 0.84 2,080 2,105 2,135 2,195 115 2,130 2,310 2,380 2,440 31039.08 17.22 1.30 5.95 15.61 54.35 13,229 4.05 0.68 0.84 2,005 2,130 2,160 2,205 200 2,230 2,325 2,395 2,435 205 35.64 17.65 1.43 5.71 17.21

13,271 4.18 0.72 2,155 2,170 2,175 2,210 55 2,300 2,375 2,475 2,575 275 30.30 18.03 1.33 5.11 17.81 55.63 13,184 4.28 0.68 0.80 2,080 2,095 2,125 2,175 95 2,155 2,170 2,205 2,395 24038.65 17.12 1.27 5.81 17.11 55.42 13,261 4.57 0.69 0.80 54.97 13,300 4.11 0.62 0.82 55.66 13,194 4.24 0.65 0.80 2,025 2,125 2,150 2,190 165 2,215 2,355 2,390 2,420 205 33.18 17.31 1.27 5.26 17.20 55.25 13,593 4.86 0.97 0.81 1,985 2,035 2,065 2,100 115 2,170 2,265 2,315 2,380 21033.96 17.69 1.07 6.94 15.30 54.61 13,314 4.04 0.63 0.83 2,055 2,175 2,215 2,245 190 2,325 2,420 2,455 2,485 16031.04 17.49 1.37 4.47 16.29 54.33 13,331 4.67 0.67 0.84 2,070 2,110 2,125 2,170 100 2,280 2,405 2,440 2,490 21035.58 17.96 1.32 4.98 14.44 54.32 13,088 4.67 0.68 0.84 2,050 2,125 2,145 2,200 150 2,210 2,360 2,425 2,500 29032.22 17.08 1.35 5.08 16.04 20 21 21 21 20 18 18 18 18 18 18 18 18 18 18 19 19 19 19 19 54.96 13,247 4.47 0.69 0.82 2,052 2,111 2,138 2,196 143 2,224 2,335 2,390 2,460 23634.30 17.45 1.29 5.08 15.80 56.22 13,593 5.21 0.97 0.84 2,155 2,175 2,215 2,255 215 2,330 2,420 2,480 2,575 315 39.08 19.34 1.43 6.94 17.81 54.20 13,032 3.92 0.59 0.78 1,985 2,035 2,065 2,100 55 2,120 2,170 2,205 2,315 16026.74 16.23 1.07 3.92 14.10

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 19 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid SpringCreek StdDev 5/7/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM029WestBlackThunder09F049350 6/29/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM034WestBlackTHunder09F048430 WestBlackThunder Count 2 WestBlackThunder Average WestBlackThunder Max WestBlackThunder Min WestBlackThunder StdDev Grand Count 178 Grand Average Grand Max Grand Min Grand StdDev fc_mafbtu_mafash_load so2vol/fc Initial Soft Hemi FluidPlastic Initial Soft Hemi FluidPlastic sio2 al2o3 tio2fe2o3 cao Reducing Atmosphere Oxidizing Atmosphere Ash Minerals

0.57 106 0.37 0.08 0.02 38.78 33.19 34.78 36.7045.37 66.49 76.42 78.87 64.32 53.67 3.62 0.74 0.09 0.71 1.11 52.37 13,007 6.58 0.61 0.91 2,175 2,200 2,250 2,475 300 2,255 2,275 2,300 2,400 14543.46 19.29 1.46 6.12 14.95 52.90 13,065 5.62 0.54 0.89 2,155 2,175 2,195 2,315 160 2,225 2,235 2,265 2,320 9542.31 17.33 1.52 5.99 18.95 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 52.64 13,036 6.10 0.58 0.90 2,165 2,188 2,223 2,395 230 2,240 2,255 2,283 2,360 12042.89 18.31 1.49 6.06 16.95 52.90 13,065 6.58 0.61 0.91 2,175 2,200 2,250 2,475 300 2,255 2,275 2,300 2,400 14543.46 19.29 1.52 6.12 18.95 52.37 13,007 5.62 0.54 0.89 2,155 2,175 2,195 2,315 160 2,225 2,235 2,265 2,320 9542.31 17.33 1.46 5.99 14.95 0.37 41 0.68 0.05 0.01 14.14 17.68 38.89 113.1498.99 21.21 28.28 24.75 56.57 35.36 0.81 1.39 0.04 0.09 2.83 169 178 178 178 174 169 169 169 169 169 168 168 168 168 168 170 170 170 170 170 57.88 14,049 5.79 1.37 0.76 2,266 2,330 2,370 2,444 178 2,421 2,477 2,505 2,553 13443.41 22.54 1.29 8.04 10.28 67.54 15,491 9.86 3.15 3.18 2,855 2,855 2,855 2,855 470 2,855 2,855 2,855 2,860 36061.68 33.76 1.90 21.13 27.25 48.08 12,701 3.70 0.35 0.33 1,960 2,005 2,005 2,100 0 1,960 2,080 2,100 2,175 0 26.26 13.90 0.97 3.63 0.94 4.17 997 1.18 0.82 0.28 256.09 261.75 260.32 247.3897.67 252.24251.78 247.76 229.72 71.97 8.70 5.74 0.15 3.48 8.31

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 20 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 

## Plants: 

# Belle River Power Plant 1/26/2009Coal A/F Monthly-BRPP January 2009 BR 09F010630 2/25/2009Coal A/F Monthly-BRPP February 2009 BR 09F015490 3/25/2009Coal A/F Monthly-BRPP March 2009 BR 09F022110 5/11/2009Coal A/F Monthly-BRPP April 2009 BR 09F029960 5/25/2009Coal A/F Monthly-BRPP May 2009 BR 09F033150 6/25/2009Coal A/F Monthly-BRPP June 2009 BR 09F040220 7/25/2009Coal A/F Monthly-BRPP July 2009 BR 09F048740 8/25/2009Coal A/F Monthly-BRPP August 2009 BR 09F053040 9/25/2009Coal A/F Monthly-BRPP September 2009 BR 09F060070 10/25/2009Coal A/F Monthly-BRPP October 2009 BR 09F066990 11/25/2009Coal A/F Monthly-BRPP November 2009 BR 09F073190 12/25/2009Coal A/F Monthly-BRPP December 2009 BR 10F002320 BR Count 12 BR Average BR Max BR Min BR StdDev 

# Harbor Beach Power Plant 1/25/2009Coal A/F Monthly-HBPP January 2009 HB 09F010640 2/25/2009Coal A/F Monthly-HBPP February 2009 HB 09F015480 3/25/2009Coal A/F Monthly-HBPP March 2009 HB 09F022100 5/11/2009Coal A/F Monthly-HBPP April 2009 HB 09F029950 6/25/2009Coal A/F Monthly-HBPP June 2009 HB 09F040210 7/25/2009Coal A/F Monthly-HBPP July 2009 HB 09F048730 8/25/2009Coal A/F Monthly-HBPP August 2009 HB 09F053030 9/25/2009Coal A/F Monthly-HBPP September 2009 HB 09F060060 10/25/2009Coal A/F Monthly-HBPP October 2009 HB 09F066980 11/25/2009Coal A/F Monthly-HBPP November 2009 HB 09F073180 12/15/2009Coal A/F Monthly-HBPP December 2009 HB 10F002310 HB Count 11 HB Average HB Max HB Min HB StdDev 

# Monroe Power Plant 1/25/2009Coal A/F Monthly-MOPP January 2009 MO 09F010650 2/25/2009Coal A/F Monthly-MOPP February 2009 MO 09F015470 3/25/2009Coal A/F Monthly-MOPP March 2009 MO 09F022090 5/11/2009Coal A/F Monthly-MOPP April 2009 MO 09F029940 5/25/2009Coal A/F Monthly-MOPP May 2009 MO 09F033140 6/25/2009Coal A/F Monthly-MOPP June 2009 MO 09F040200 7/25/2009Coal A/F Monthly-MOPP July 2009 MO 09F048720 8/25/2009Coal A/F Monthly-MOPP August 2009 MO 09F053020 9/25/2009Coal A/F Monthly-MOPP September 2009 MO 09F060050 10/25/2009Coal A/F Monthly-MOPP October 2009 MO 09F066960 11/25/2009Coal A/F Monthly-MOPP November 2009 MO 09F073170 mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio

3.68 0.79 5.22 11.20 0.68 1.28 0.05 0.69 3.8034.65 65.35 0.53 0.29Lignitic 50.36 53 0.37 2.05 0.61 4.74 0.80 5.14 9.55 0.61 1.26 0.04 0.65 -0.41 36.43 63.57 0.57 0.26Lignitic 57.31 55 0.33 1.99 0.58 4.81 0.81 5.21 11.00 0.55 1.15 0.04 0.68 -0.75 37.9462.06 0.61 0.24Lignitic 57.73 53 0.30 1.85 0.56 3.98 0.86 5.51 10.20 0.66 1.14 0.04 0.62 0.27 36.19 63.81 0.57 0.29Lignitic 53.99 54 0.36 2.23 0.60 4.14 0.89 5.72 5.36 0.52 1.12 0.04 0.64 1.13 37.12 62.88 0.59 0.28Lignitic 57.54 56 0.34 2.01 0.58 4.45 0.80 5.57 7.19 0.32 1.15 0.05 0.71 2.8438.55 61.45 0.63 0.24Lignitic 57.44 53 0.30 2.00 0.56 4.20 0.81 5.40 10.60 0.48 1.11 0.05 0.64 0.8636.89 63.11 0.58 0.28Lignitic 55.25 54 0.35 2.15 0.59 3.93 0.77 5.87 11.00 0.56 1.04 0.04 0.61 1.89 38.43 61.57 0.62 0.28Lignitic 52.70 51 0.35 1.96 0.57 3.74 0.75 5.86 11.10 0.48 0.77 0.04 0.55 3.9637.48 62.52 0.60 0.33Lignitic 49.38 51 0.41 1.90 0.57 3.45 0.89 5.53 11.10 0.45 1.01 0.04 0.53 2.48 34.42 65.58 0.52 0.32Lignitic 49.88 54 0.40 1.99 0.61 3.67 0.90 6.31 10.00 0.28 0.98 0.04 0.58 3.93 37.25 62.75 0.59 0.30Lignitic 49.80 52 0.38 1.92 0.58

11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 4.07 0.82 5.58 9.85 0.51 1.09 0.04 0.63 1.82 36.85 63.15 0.58 0.28 53.76 53 0.35 2.00 0.58 4.81 0.90 6.31 11.20 0.68 1.28 0.05 0.71 3.9638.55 65.58 0.63 0.33 57.73 56 0.41 2.23 0.61 3.45 0.75 5.14 5.36 0.28 0.77 0.04 0.53 -0.75 34.42 61.45 0.52 0.24 49.38 51 0.30 1.85 0.56 0.45 0.05 0.35 1.89 0.13 0.14 0.00 0.06 1.73 1.36 1.36 0.03 0.03 3.48 1.65 0.04 0.11 0.02

0.96 2.76 0.71 1.10 0.41 0.17 0.04 0.22 -0.10 13.03 86.97 0.15 2.73Bituminous 19.19 84 4.43 1.85 0.85 0.85 2.34 0.62 0.43 0.47 0.17 0.02 0.24 2.55 12.1887.82 0.14 2.30Bituminous 21.75 83 3.39 1.75 0.86 1.05 2.56 0.66 0.55 0.42 0.16 0.03 0.24 -2.82 12.6787.33 0.15 2.11Bituminous 24.47 87 3.19 1.77 0.85 1.04 2.35 0.75 1.58 0.69 0.17 0.03 0.27 -1.45 13.5486.46 0.16 1.69Bituminous 28.20 84 2.32 1.92 0.84 0.95 2.41 0.47 0.44 0.17 0.18 0.02 0.14 3.32 12.72 87.28 0.15 2.39Bituminous 21.54 82 3.66 1.97 0.85 1.49 2.11 0.52 3.21 0.47 0.24 0.02 0.20 3.16 15.9684.04 0.19 1.14Bituminous 36.27 78 1.54 2.00 0.81 1.75 2.26 0.68 2.66 0.51 0.28 0.02 0.20 0.24 17.4682.54 0.21 0.94Lignitic 40.83 78 1.25 2.07 0.79 1.80 2.14 0.67 4.65 0.31 0.26 0.02 0.17 -1.35 16.11 83.89 0.19 1.03Bituminous 38.72 79 1.44 2.06 0.81 1.80 2.23 0.61 4.48 0.38 0.25 0.02 0.17 -1.90 17.7882.22 0.22 0.99Lignitic 40.60 78 1.31 2.09 0.79 2.14 1.93 0.70 5.23 0.30 0.24 0.02 0.18 -1.15 20.07 79.93 0.25 0.93Lignitic 42.46 75 1.25 1.88 0.75

10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 1.38 2.31 0.64 2.43 0.41 0.21 0.02 0.20 0.05 15.15 84.85 0.18 1.63 31.40 81 2.38 1.94 0.82 2.14 2.76 0.75 5.23 0.69 0.28 0.04 0.27 3.32 20.0787.82 0.25 2.73 42.46 87 4.43 2.09 0.86 0.85 1.93 0.47 0.43 0.17 0.16 0.02 0.14 -2.82 12.1879.93 0.14 0.93 19.19 75 1.25 1.75 0.75 0.46 0.24 0.09 1.87 0.14 0.05 0.01 0.04 2.22 2.71 2.71 0.04 0.70 9.25 3.85 1.19 0.12 0.04

2.30 1.39 1.04 9.16 1.05 0.44 0.03 0.29 1.86 25.12 74.88 0.34 0.62Lignitic 47.72 64 0.77 1.99 0.69 3.27 1.22 1.00 4.18 0.75 0.43 0.03 0.28 3.45 29.2670.74 0.41 0.48Lignitic 56.43 63 0.59 1.99 0.63 2.91 1.29 0.99 6.68 0.51 0.40 0.03 0.28 2.06 28.2071.80 0.39 0.56Lignitic 52.59 63 0.69 1.80 0.64 2.37 1.33 0.82 7.73 0.74 0.37 0.03 0.24 0.46 26.03 73.97 0.35 0.66Lignitic 49.44 66 0.81 2.12 0.68 3.09 1.34 0.86 1.28 0.63 0.39 0.03 0.27 -0.11 28.7671.24 0.40 0.50Lignitic 60.02 68 0.61 1.91 0.63 2.83 1.32 1.01 4.02 0.69 0.43 0.03 0.29 2.95 27.95 72.05 0.39 0.55Lignitic 53.77 65 0.68 1.84 0.64 2.81 1.21 0.99 8.85 0.65 0.37 0.02 0.27 3.29 28.41 71.59 0.40 0.57Lignitic 51.01 62 0.71 1.98 0.64 2.80 1.32 0.90 8.73 0.62 0.37 0.02 0.25 2.32 28.22 71.78 0.39 0.58Lignitic 50.45 62 0.72 1.91 0.64 2.71 1.34 0.90 8.84 0.48 0.37 0.03 0.26 1.6430.45 69.55 0.44 0.66Lignitic 48.80 60 0.81 1.75 0.61 2.47 1.25 0.84 10.60 0.56 0.33 0.02 0.22 3.45 26.07 73.93 0.35 0.58Lignitic 48.64 62 0.72 1.90 0.67 2.78 1.33 0.87 9.03 0.38 0.31 0.02 0.21 3.72 27.71 72.29 0.38 0.52Lignitic 51.54 61 0.65 1.75 0.64

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 21 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 12/25/2009Coal A/F Monthly-MOPP December 2009 MO 10F002300 MO Count 12 MO Average MO Max MO Min MO StdDev 

# River Rouge Power Plant 1/25/2009Coal A/F Monthly-RRPP January 2009 RR 09F010680 2/25/2009Coal A/F Monthly-RRPP February 2009 RR 09F015410 3/25/2009Coal A/F Monthly-RRPP March 2009 RR 09F022050 5/11/2009Coal A/F Monthly-RRPP April 2009 RR 09F029900 5/25/2009Coal A/F Monthly-RRPP May 2009 RR 09F033090 6/26/2009Coal A/F Monthly-RRPP June 2009 RR 09F040150 7/25/2009Coal A/F Monthly-RRPP July 2009 RR 09F048660 8/25/2009Coal A/F Monthly-RRPP August 2009 RR 09F052960 9/25/2009Coal A/F Monthly-RRPP September 2009 RR 09F059990 10/25/2009Coal A/F Monthly-RRPP October 2009 RR 09F066920 11/25/2009Coal A/F Monthly-RRPP November 2009 RR 09F073120 12/25/2009Coal A/F Monthly-RRPP December 2009 RR 10F002240 RR Count 12 RR Average RR Max RR Min RR StdDev 

# St Clair Power Plant - Units 1-4 1/25/2009Coal A/F Monthly-SCPP 1-4 100W January 2009 SC1-4 09F010690 1/26/2009Coal A/F Monthly-SCPP 1-4 85-15 January 2009 SC1-4 09F011820 2/25/2009Coal A/F Monthly-SCPP1-4 100W February 2009 SC1-4 09F015420 2/25/2009Coal A/F Monthly-SCPP1-4 70-30 February 2009 SC1-4 09F015430 3/25/2009Coal A/F Monthly-SCPP 1-4 March 2009 SC1-4 09F022060 5/11/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F029910 5/25/2009Coal A/F Monthly-SCPP 1-4 100W May 2009 SC1-4 09F033100 6/25/2009Coal A/F Monthly-SCPP 1-4 June 2009 SC1-4 09F040160 7/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F048670 7/25/2009Coal A/F Monthly-SCPP 2 85-15 SC1-4 09F048680 8/25/2009Coal A/F Monthly-SCPP 1-4 100W August 2009 SC1-4 09F052970 8/25/2009Coal A/F Monthly-SCPP 1-4 70-30 August 2009 SC1-4 09F052980 9/25/2009Coal A/F Monthly-SCPP 1-4 100 W September 2009 SC1-4 09F060000 9/25/2009Coal A/F Monthly-SCPP 2 97 PRB Wood September 2009 SC1-4 09F060010 10/25/2009Coal A/F Monthly-SCPP 1-4 100W October 2009 SC1-4 09F066930 10/25/2009Coal A/F Monthly-SCPP 1-4 70-30 October 2009 SC1-4 09F066940 11/25/2009Coal A/F Monthly-SCPP 1-4 100W November 2009 SC1-4 09F073130 12/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 10F002250 SC1-4 Count 18 SC1-4 Average SC1-4 Max SC1-4 Min SC1-4 StdDev 

# St Clair Power Plant Unit 6 mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio

11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 2.76 1.30 0.93 7.19 0.64 0.38 0.03 0.26 2.28 27.83 72.17 0.39 0.57 51.86 63 0.71 1.90 0.65 3.27 1.39 1.04 10.60 1.05 0.44 0.03 0.29 3.72 30.45 74.88 0.44 0.66 60.02 68 0.81 2.12 0.69 2.30 1.21 0.82 1.28 0.38 0.31 0.02 0.21 -0.11 25.12 69.55 0.34 0.48 47.72 60 0.59 1.75 0.61 0.29 0.06 0.08 2.85 0.18 0.04 0.01 0.03 1.26 1.55 1.55 0.03 0.06 3.70 2.27 0.07 0.11 0.02

2.39 1.43 1.03 9.96 1.12 0.52 0.03 0.26 1.73 23.41 76.59 0.31 0.45Lignitic 52.42 65 0.56 2.17 0.71 3.20 1.07 1.11 11.00 0.76 0.43 0.03 0.25 -1.00 28.6671.34 0.40 0.34Lignitic 60.61 62 0.41 2.10 0.64 3.00 1.41 0.93 6.67 0.55 0.38 0.02 0.24 -0.6424.1075.90 0.32 0.35Lignitic 61.49 69 0.44 2.01 0.70 2.70 1.21 0.74 8.62 0.52 0.38 0.03 0.24 3.48 25.37 74.63 0.34 0.36Lignitic 58.11 63 0.44 2.02 0.68 2.99 1.44 1.00 2.42 0.57 0.39 0.02 0.23 2.6425.45 74.55 0.34 0.38Lignitic 60.84 68 0.47 1.98 0.68 3.71 1.16 1.25 3.82 0.55 0.58 0.02 0.30 1.7031.09 68.91 0.45 0.30Lignitic 65.40 63 0.37 2.07 0.61 2.93 1.33 1.01 11.30 0.60 0.39 0.02 0.24 -0.23 26.39 73.61 0.36 0.41Lignitic 56.93 64 0.51 2.03 0.67 3.76 1.16 1.12 9.15 0.90 0.46 0.02 0.27 2.25 30.32 69.68 0.44 0.29Lignitic 61.49 59 0.37 2.02 0.62 3.81 1.06 1.19 9.74 0.72 0.46 0.02 0.27 3.92 32.7467.26 0.49 0.27Lignitic 61.42 56 0.33 1.87 0.59 2.95 1.28 0.93 10.10 0.57 0.36 0.02 0.22 2.25 24.97 75.03 0.33 0.39Lignitic 55.76 64 0.50 2.00 0.69 3.56 1.38 1.02 9.88 0.33 0.34 0.02 0.22 -1.12 28.17 71.83 0.39 0.32Lignitic 61.97 64 0.40 1.90 0.64

11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 3.18 1.27 1.03 8.42 0.65 0.43 0.02 0.25 1.36 27.33 72.67 0.38 0.35 59.68 63 0.44 2.02 0.66 3.81 1.44 1.25 11.30 1.12 0.58 0.03 0.30 3.92 32.7476.59 0.49 0.45 65.40 69 0.56 2.17 0.71 2.39 1.06 0.74 2.42 0.33 0.34 0.02 0.22 -1.12 23.41 67.26 0.31 0.27 52.42 56 0.33 1.87 0.59 0.47 0.14 0.14 2.91 0.21 0.07 0.00 0.02 1.81 3.07 3.07 0.06 0.05 3.58 3.69 0.07 0.08 0.04

3.65 0.83 5.07 12.00 0.77 1.28 0.04 0.68 3.67 34.85 65.15 0.53 0.29Lignitic 50.22 52 0.36 2.03 0.61 3.04 0.90 4.43 12.10 0.55 1.09 0.04 0.59 1.68 32.03 67.97 0.47 0.51Lignitic 44.58 56 0.65 1.99 0.63 4.08 0.82 5.53 10.40 0.53 1.11 0.04 0.64 2.91 36.17 63.83 0.57 0.29Lignitic 51.61 53 0.38 2.04 0.59 2.86 1.08 3.78 7.68 0.44 0.71 0.04 0.46 1.1630.2069.80 0.43 0.65Lignitic 44.57 61 0.82 1.99 0.65 4.45 0.86 5.46 10.30 0.53 1.06 0.04 0.65 -0.52 37.0462.96 0.59 0.27Lignitic 55.59 54 0.35 1.90 0.57 3.85 0.77 5.35 10.70 0.57 1.04 0.04 0.58 2.57 36.73 63.27 0.58 0.30Lignitic 52.30 52 0.37 2.19 0.59 3.93 0.93 5.72 4.96 0.44 1.07 0.04 0.63 0.55 36.11 63.89 0.57 0.27Lignitic 58.00 58 0.34 2.14 0.60 4.26 0.96 5.75 8.37 0.44 1.23 0.05 0.72 0.5638.81 61.19 0.63 0.28Lignitic 55.81 53 0.35 1.93 0.56 3.98 0.92 5.52 13.80 0.33 1.04 0.04 0.63 0.9637.57 62.43 0.60 0.31Lignitic 51.48 51 0.39 1.97 0.57 3.34 0.94 4.41 16.00 0.13 0.82 0.04 0.51 2.5036.33 63.67 0.57 0.48Lignitic 45.00 51 0.60 2.02 0.58 3.64 0.79 5.53 12.80 0.43 0.90 0.04 0.54 3.35 37.16 62.84 0.59 0.31Lignitic 49.54 50 0.39 1.96 0.58 2.45 1.24 3.58 7.44 0.41 0.60 0.03 0.36 3.88 30.18 69.82 0.43 0.76Lignitic 40.62 60 0.94 2.06 0.65 4.07 0.78 5.97 11.40 0.38 1.05 0.05 0.61 2.95 39.56 60.44 0.65 0.26Lignitic 52.85 49 0.32 1.82 0.55 4.07 0.90 5.74 12.30 0.43 1.11 0.05 0.60 1.13 39.51 60.49 0.65 0.26Lignitic 53.73 50 0.32 1.87 0.55 3.93 0.75 6.43 10.70 0.43 0.68 0.04 0.63 3.87 38.7061.30 0.63 0.28Lignitic 50.78 50 0.35 1.81 0.56 2.40 1.20 3.71 11.40 0.26 0.59 0.03 0.36 3.59 32.6067.40 0.48 0.67Lignitic 41.10 55 0.82 1.92 0.62 4.07 0.88 6.40 11.40 0.21 0.71 0.04 0.58 3.52 38.75 61.25 0.63 0.25Lignitic 51.74 50 0.32 1.78 0.56

17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 3.65 0.91 5.20 10.81 0.43 0.95 0.04 0.57 2.25 36.02 63.98 0.56 0.38 49.97 53 0.47 1.97 0.59 4.45 1.24 6.43 16.00 0.77 1.28 0.05 0.72 3.88 39.56 69.82 0.65 0.76 58.00 61 0.94 2.19 0.65 2.40 0.75 3.58 4.96 0.13 0.59 0.03 0.36 -0.52 30.18 60.44 0.43 0.25 40.62 49 0.32 1.78 0.55 0.62 0.14 0.90 2.60 0.15 0.22 0.01 0.10 1.39 3.06 3.06 0.07 0.17 5.10 3.65 0.21 0.11 0.03

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 22 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 1/25/2009Coal A/F Monthly-SCPP 6 85-15 January 2009 SC6 09F010700 2/25/2009Coal A/F Monthly-SCPP6 85-15 February 2009 SC6 09F015440 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 09F029920 5/25/2009Coal A/F Monthly-SCPP 6 85-15 May 2009 SC6 09F033110 6/25/2009Coal A/F Monthly-SCPP 6 June 2009 SC6 09F040170 7/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 09F048690 8/25/2009Coal A/F Monthly-SCPP 6 85-15 August 2009 SC6 09F052990 9/25/2009Coal A/F Monthly-SCPP 6 85-15 September 2009 SC6 09F060020 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC6 09F066950 11/25/2009Coal A/F Monthly-SCPP 6 85-15 November 2009 SC6 09F073140 12/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 10F002260 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 10F002280 SC6 Count 12 SC6 Average SC6 Max SC6 Min SC6 StdDev 

# St Clair Power Plant Unit 7 1/25/2009Coal A/F Monthly-SCPP 7 85-15 January 2009 SC7 09F010710 2/25/2009Coal A/F Monthly-SCPP7 85-15 February 2009 SC7 09F015450 3/25/2009Coal A/F Monthly-SCPP 7 March 2009 SC7 09F022070 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 09F029920 5/25/2009Coal A/F Monthly-SCPP 7 85-15 May 2009 SC7 09F033120 6/25/2009Coal A/F Monthly-SCPP 7 June 2009 SC7 09F040180 7/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 09F048700 8/25/2009Coal A/F Monthly-SCPP 7 85-15 August 2009 SC7 09F053000 9/25/2009Coal A/F Monthly-SCPP 7 85-15 September 2009 SC7 09F060030 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC7 09F066950 11/25/2009Coal A/F Monthly-SCPP 7 85-15 November 2009 SC7 09F073150 12/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 10F002270 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 10F002280 SC7 Count 13 SC7 Average SC7 Max SC7 Min SC7 StdDev 

# Trenton Channel Power Plant 1/25/2009Coal A/F Monthly-TCPP January 2009 TC 09F010720 2/25/2009Coal A/F Monthly-TCPP February 2009 TC 09F015460 3/25/2009Coal A/F Monthly-TCPP March 2009 TC 09F022080 5/11/2009Coal A/F Monthly-TCPP April 2009 TC 09F029930 5/25/2009Coal A/F Monthly-TCPP May 2009 TC 09F033130 6/25/2009Coal A/F Monthly-TCPP June 2009 TC 09F040190 7/25/2009Coal A/F Monthly-TCPP July 2009 TC 09F048710 8/25/2009Coal A/F Monthly-TCPP August 2009 TC 09F053010 9/25/2009Coal A/F Monthly-TCPP September 2009 TC 09F060040 10/25/2009Coal A/F Monthly-TCPP October 2009 TC 09F066970 11/25/2009Coal A/F Monthly-TCPP November 2009 TC 09F073160 12/25/2009Coal A/F Monthly-TCPP December 2009 TC 10F002290 mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 3.00 0.92 4.35 11.30 0.80 1.03 0.04 0.56 3.19 32.23 67.77 0.48 0.52Lignitic 43.93 55 0.66 2.02 0.63 3.51 0.74 4.29 8.97 0.56 0.84 0.04 0.56 2.3433.68 66.32 0.51 0.44Lignitic 49.70 56 0.56 1.94 0.61 3.26 0.91 4.23 11.80 0.61 0.85 0.04 0.50 1.77 34.6465.36 0.53 0.47Lignitic 47.31 54 0.59 2.13 0.60 2.77 1.14 4.03 1.93 0.62 0.72 0.04 0.47 2.0631.63 68.37 0.46 0.62Lignitic 47.90 63 0.76 2.07 0.63 3.52 1.00 4.75 7.85 0.58 1.00 0.04 0.59 1.5035.43 64.57 0.55 0.42Lignitic 50.87 56 0.52 1.93 0.59 3.36 0.91 4.59 12.90 0.32 0.91 0.04 0.54 1.37 35.3464.66 0.55 0.49Lignitic 46.61 54 0.62 2.03 0.59 3.05 0.92 4.46 11.70 0.45 0.74 0.04 0.46 2.17 34.43 65.57 0.53 0.51Lignitic 45.57 54 0.63 1.96 0.60 2.95 1.00 4.23 12.30 0.34 0.73 0.04 0.44 1.95 35.88 64.12 0.56 0.67Lignitic 41.78 53 0.83 1.79 0.57 3.03 0.99 4.54 13.90 0.32 0.66 0.03 0.44 1.13 33.86 66.14 0.51 0.49Lignitic 44.98 54 0.62 1.86 0.61 3.10 0.98 4.54 13.90 0.19 0.62 0.03 0.43 3.29 37.22 62.78 0.59 0.37Lignitic 48.63 50 0.45 1.81 0.57

10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 3.16 0.95 4.40 10.66 0.48 0.81 0.04 0.50 2.08 34.43 65.57 0.53 0.50 #DIV/0! 46.73 55 0.62 1.95 0.60 3.52 1.14 4.75 13.90 0.80 1.03 0.04 0.59 3.29 37.22 68.37 0.59 0.67 0.00 50.87 63 0.83 2.13 0.63 2.77 0.74 4.03 1.93 0.19 0.62 0.03 0.43 1.13 31.63 62.78 0.46 0.37 0.00 41.78 50 0.45 1.79 0.57 0.25 0.10 0.21 3.63 0.19 0.14 0.00 0.06 0.72 1.68 1.68 0.04 0.09 #DIV/0! 2.75 3.35 0.11 0.11 0.02

3.05 0.93 4.25 11.70 0.74 1.01 0.04 0.56 2.3431.93 68.07 0.47 0.53Lignitic 44.00 56 0.68 2.02 0.63 3.26 0.78 4.51 10.20 0.54 0.82 0.04 0.52 3.89 33.4066.60 0.50 0.46Lignitic 46.65 55 0.58 1.97 0.62 3.87 0.97 4.40 10.40 0.51 0.94 0.04 0.56 0.5634.73 65.27 0.53 0.40Lignitic 51.26 56 0.51 1.88 0.59 3.26 0.91 4.23 11.80 0.61 0.85 0.04 0.50 1.77 34.6465.36 0.53 0.47Lignitic 47.31 54 0.59 2.13 0.60 3.27 1.17 4.81 3.78 0.66 0.86 0.04 0.54 1.78 34.11 65.89 0.52 0.47Lignitic 50.92 59 0.58 2.06 0.61 3.45 1.13 4.32 5.50 0.86 1.01 0.05 0.57 1.82 34.62 65.38 0.53 0.47Lignitic 50.61 58 0.59 1.98 0.60 3.26 0.86 4.20 11.60 0.45 0.83 0.03 0.52 3.91 35.03 64.97 0.54 0.53Lignitic 45.27 53 0.67 2.02 0.59 3.40 0.87 4.58 13.10 0.52 0.86 0.04 0.53 3.2036.37 63.63 0.57 0.41Lignitic 47.21 51 0.52 1.95 0.58 3.13 1.01 4.29 13.10 0.40 0.80 0.04 0.46 3.65 33.99 66.01 0.51 0.41Lignitic 46.84 53 0.51 1.80 0.60 3.03 0.99 4.54 13.90 0.32 0.66 0.03 0.44 1.13 33.86 66.14 0.51 0.49Lignitic 44.98 54 0.62 1.86 0.61 3.11 1.01 4.37 12.40 0.28 0.72 0.03 0.43 3.05 35.82 64.18 0.56 0.42Lignitic 47.77 52 0.52 1.83 0.58

11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 3.28 0.97 4.41 10.68 0.54 0.85 0.04 0.51 2.4634.41 65.59 0.52 0.46 47.53 55 0.58 1.95 0.60 3.87 1.17 4.81 13.90 0.86 1.01 0.05 0.57 3.91 36.37 68.07 0.57 0.53 51.26 59 0.68 2.13 0.63 3.03 0.78 4.20 3.78 0.28 0.66 0.03 0.43 0.5631.93 63.63 0.47 0.40 44.00 51 0.51 1.80 0.58 0.24 0.12 0.18 3.21 0.18 0.11 0.01 0.05 1.15 1.19 1.19 0.03 0.05 2.46 2.48 0.06 0.10 0.02

2.64 1.36 1.20 9.40 1.07 0.48 0.03 0.33 1.4428.71 71.29 0.40 0.72Lignitic 45.52 61 0.90 1.93 0.64 3.21 1.45 1.24 5.40 0.77 0.43 0.02 0.31 0.22 29.05 70.95 0.41 0.58Lignitic 53.05 65 0.73 1.99 0.64 3.04 1.51 1.07 5.79 0.68 0.41 0.03 0.30 0.48 27.5672.44 0.38 0.66Lignitic 50.07 66 0.84 1.83 0.65 2.96 1.19 1.00 8.57 0.92 0.43 0.02 0.30 1.65 29.87 70.13 0.43 0.65Lignitic 48.98 60 0.81 2.09 0.63 3.24 1.24 1.02 3.00 0.81 0.43 0.02 0.30 2.7030.39 69.61 0.44 0.62Lignitic 52.75 63 0.77 1.93 0.62 2.97 1.66 1.16 3.68 0.80 0.42 0.03 0.26 -0.55 29.47 70.53 0.42 0.73Lignitic 50.39 67 0.92 1.99 0.63 2.90 1.23 0.97 8.21 0.92 0.38 0.02 0.25 1.23 28.91 71.09 0.41 0.66Lignitic 49.70 63 0.83 2.01 0.64 2.90 1.37 0.98 7.25 0.94 0.39 0.02 0.27 1.98 28.93 71.07 0.41 0.69Lignitic 47.81 62 0.88 1.94 0.64 3.19 1.18 1.12 9.79 0.60 0.45 0.03 0.31 1.67 34.31 65.69 0.52 0.50Lignitic 53.60 56 0.61 1.79 0.57 2.77 1.07 0.92 12.20 0.61 0.38 0.02 0.26 3.26 29.59 70.41 0.42 0.62Lignitic 47.14 57 0.78 2.02 0.63 2.97 1.17 1.03 10.70 0.29 0.34 0.02 0.25 3.31 32.67 67.33 0.49 0.60Lignitic 48.88 56 0.74 1.85 0.59

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 23 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid TC Count 12 TC Average TC Max TC Min TC StdDev Grand Count 102 Grand Average Grand Max Grand Min Grand StdDev



## Mines: 1/3/2009Coal As-Shipped Fuel Supply Antelope 40778 Antelope 09F006840 1/3/2009Coal As-Shipped Fuel Supply Antelope 40774 Antelope 09F006850 1/23/2009Coal As-Shipped Fuel Supply Antelope 40885 Antelope 09F016510 1/24/2009Coal As-Shipped Fuel Supply Antelope 40887 Antelope 09F016520 3/22/2009Coal As-Shipped Fuel Supply Antelope 41206 Antelope 09F029540 3/23/2009Coal As-Shipped Fuel Supply Antelope 41207 Antelope 09F029550 3/25/2009Coal As-Shipped Fuel Supply Antelope 41209 Antelope 09F029560 5/25/2009Coal As-Shipped Fuel Supply Antelope 41551 Antelope 09F048370 5/26/2009Coal As-Shipped Fuel Supply Antelope 41552 Antelope 09F048380 5/26/2009Coal As-Shipped Fuel Supply Antelope 41553 Antelope 09F048390 8/8/2009Coal As-Shipped Fuel Supply Antelope 41931 Antelope 09F074180 8/10/2009Coal As-Shipped Fuel Supply Antelope Composite Antelope 09F061640 9/27/2009Coal As-Shipped Fuel Supply Antelope 42194 Antelope 09F074190 9/27/2009Coal As-Shipped Fuel Supply Antelope 42195 Antelope 09F074200 Antelope Count 14 Antelope Average Antelope Max Antelope Min Antelope StdDev 12/22/2008Coal As-Shipped Fuel Supply Bailey D401 Bailey 09F006820 1/1/2009Coal As-Shipped Fuel Supply Bailey Enlow Fork Bailey 09F001640 2/26/2009Coal As-Shipped Fuel Supply Bailey D427 Bailey 09F022570 3/23/2009Coal As-Shipped Fuel Supply Bailey D463 Bailey 09F028170 4/12/2009Coal As-Shipped Fuel Supply Bailey D469 Bailey 09F031680 5/19/2009Coal As-Shipped Fuel Supply Bailey D502 Bailey 09F048550 6/22/2009Coal As-Shipped Fuel Supply Bailey D527 Bailey 09F048560 9/23/2009Coal As-Shipped Fuel Supply Bailey D595 Bailey 09F067310 10/10/2009Coal As-Shipped Fuel Supply Bailey D-607 Bailey 09F072980 Bailey Count 9 Bailey Average Bailey Max Bailey Min Bailey StdDev 12/18/2009Coal As-Shipped Fuel Supply Berkley D649 Berkley 09F009840 Berkley Count 1 mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 2.98 1.31 1.06 7.64 0.76 0.41 0.02 0.29 1.58 29.95 70.05 0.43 0.64 49.81 61 0.80 1.94 0.63 3.24 1.66 1.24 12.20 1.07 0.48 0.03 0.33 3.31 34.31 72.44 0.52 0.73 53.60 67 0.92 2.09 0.65 2.64 1.07 0.92 3.00 0.29 0.34 0.02 0.25 -0.55 27.56 65.69 0.38 0.50 45.52 56 0.61 1.79 0.57 0.18 0.18 0.10 2.91 0.21 0.04 0.01 0.03 1.22 1.93 1.93 0.04 0.07 2.55 3.69 0.09 0.09 0.02 92 92 92 92 92 92 92 92 92 92 92 92 92 92 92 92 92 92 92 3.11 1.20 3.06 8.65 0.55 0.66 0.03 0.41 1.78 30.7469.26 0.46 0.58 #DIV/0! 49.13 60 0.76 1.96 0.64 4.81 2.76 6.43 16 1.12 1.28 0.05 0.72 3.9639.5687.82 0.65 2.73 0 65.4 87.29 4.43 2.23 0.86 0.85 0.74 0.47 0.43 0.13 0.16 0.02 0.14 -2.82 12.18 60.44 0.14 0.24 0 19.19 49.26 0.3 1.75 0.55 0.82 0.45 2.09 3.71 0.20 0.32 0.01 0.17 1.59 6.84 6.84 0.13 0.45 #DIV/0! 8.49 9.00 0.70 0.11 0.07

5.55 0.51 1.35 6.93 1.81 0.76 0.03 0.39 -1.68 38.71 61.29 0.63 0.25Lignitic 69.65 55 0.31 2.47 0.54 4.75 0.71 2.57 8.27 1.67 0.71 0.02 0.40 3.31 35.55 64.45 0.55 0.24Lignitic 61.51 54 0.31 2.05 0.57 5.63 0.46 1.50 9.66 0.91 0.59 0.02 0.49 4.0042.6457.36 0.74 0.18Lignitic 67.35 47 0.23 2.11 0.48 5.11 0.62 1.29 8.46 0.87 0.58 0.01 0.30 2.02 37.41 62.59 0.60 0.18Lignitic 70.33 54 0.22 2.66 0.56 5.01 0.37 1.65 8.33 2.15 0.82 0.02 0.44 1.2140.51 59.49 0.68 0.22Lignitic 67.09 51 0.27 2.29 0.51 4.95 0.42 1.53 7.31 2.62 0.84 0.02 0.44 1.21 35.9464.06 0.56 0.22Lignitic 67.33 55 0.28 2.07 0.56 4.48 0.55 1.54 6.36 1.74 0.69 0.02 0.40 1.19 36.2463.76 0.57 0.23Lignitic 67.91 56 0.29 2.58 0.57 4.79 0.52 1.40 7.00 2.06 0.67 0.03 0.41 3.29 36.75 63.25 0.58 0.26Lignitic 65.71 54 0.32 2.25 0.55 4.86 0.57 1.43 8.21 2.51 0.68 0.03 0.41 -1.3637.16 62.84 0.59 0.24Lignitic 69.02 56 0.29 2.32 0.55 5.40 0.38 1.32 7.03 4.16 0.86 0.01 0.46 -0.37 36.46 63.54 0.57 0.22Lignitic 69.58 55 0.27 2.12 0.55 4.95 0.26 2.01 10.90 1.01 0.66 0.03 0.42 3.2748.7651.24 0.95 0.23Lignitic 64.43 42 0.27 1.71 0.41 6.57 0.88 2.25 11.50 1.32 0.62 0.02 0.42 -0.9548.72 51.28 0.95 0.20Lignitic 67.30 43 0.25 2.01 0.42 3.57 0.70 1.55 6.40 1.06 0.57 0.02 0.34 2.3433.53 66.47 0.50 0.26Lignitic 65.71 58 0.31 2.27 0.59 3.68 0.61 1.72 7.23 0.90 0.56 0.02 0.35 3.5437.83 62.17 0.61 0.24Lignitic 65.51 53 0.28 2.10 0.54 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 4.95 0.54 1.65 8.11 1.77 0.69 0.02 0.41 1.5039.02 60.99 0.65 0.23 #DIV/0! 67.03 52 0.28 2.22 0.53 6.57 0.88 2.57 11.50 4.16 0.86 0.03 0.49 4.0048.76 66.47 0.95 0.26 0.00 70.33 58 0.32 2.66 0.59 3.57 0.26 1.29 6.36 0.87 0.56 0.01 0.30 -1.68 33.53 51.24 0.50 0.18 0.00 61.51 42 0.22 1.71 0.41 0.76 0.16 0.38 1.60 0.91 0.10 0.01 0.05 1.94 4.67 4.67 0.14 0.03 #DIV/0! 2.36 4.91 0.03 0.25 0.06 1.07 1.92 0.75 1.28 0.57 0.12 0.02 0.15 3.75 22.7477.26 0.29 3.22Bituminous 19.53 72 4.24 2.02 0.72 1.15 1.97 1.05 1.42 0.07 0.08 0.03 0.13 2.82 23.02 76.98 0.30 3.38Bituminous 18.81 72 4.60 2.01 0.72 0.78 1.89 0.65 1.41 0.34 0.07 0.03 0.11 -0.62 21.5078.50 0.27 4.06Bituminous 17.16 76 5.15 2.27 0.74 0.78 1.82 0.63 2.18 0.50 0.08 0.03 0.14 2.31 22.5077.50 0.29 4.07Bituminous 16.53 72 5.15 1.96 0.72

0.74 1.80 0.69 2.37 0.58 0.08 0.03 0.12 0.12 27.82 72.18 0.39 5.89Bituminous 12.91 69 7.41 2.04 0.65 0.73 1.94 0.67 1.77 0.16 0.06 0.03 0.11 1.91 25.53 74.47 0.34 6.01Bituminous 12.38 71 7.82 2.06 0.68 0.85 2.15 0.61 3.07 0.41 0.06 0.03 0.09 3.08 18.1781.83 0.22 3.04Bituminous 19.31 75 4.02 2.09 0.78 0.80 2.05 0.60 1.72 0.28 0.06 0.02 0.10 1.90 19.15 80.85 0.24 3.64Bituminous 17.70 76 4.76 1.94 0.76 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 0.86 1.94 0.71 1.90 0.36 0.08 0.03 0.12 1.91 22.55 77.45 0.29 4.16 16.79 73 5.39 2.05 0.72 1.15 2.15 1.05 3.07 0.58 0.12 0.03 0.15 3.75 27.82 81.83 0.39 6.01 19.53 76 7.82 2.27 0.78 0.73 1.80 0.60 1.28 0.07 0.06 0.02 0.09 -0.62 18.17 72.18 0.22 3.04 12.38 69 4.02 1.94 0.65 0.16 0.12 0.15 0.61 0.19 0.02 0.00 0.02 1.48 3.13 3.13 0.05 1.16 2.76 2.57 1.43 0.10 0.04 1.35 3.52 0.92 1.60 0.34 0.28 0.06 0.15 0.03 16.92 83.08 0.20 2.27Bituminous 21.81 80 3.58 1.83 0.81 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 24 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Berkley Average Berkley Max Berkley Min Berkley StdDev 9/25/2009Coal As-Shipped Fuel Supply Birch Run D591 BirchRun 09F057020 BirchRun Count 1 BirchRun Average BirchRun Max BirchRun Min BirchRun StdDev 1/30/2009Coal As-Shipped Fuel Supply BlackThunder 5 Gallons BlackTHunder 09F010300 3/22/2009Coal As-Shipped Fuel Supply Black Thunder 910386 BlackTHunder 09F029590 3/27/2009Coal As-Shipped Fuel Supply Black Thunder N091041 BlackTHunder 09F029570 3/28/2009Coal As-Shipped Fuel Supply Black Thunder 91047 BlackTHunder 09F029580 4/24/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM060 BlackTHunder 09F032810 4/27/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM062 BlackTHunder 09F032820 4/27/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM025 BlackTHunder 09F032830 5/26/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM072 BlackTHunder 09F049360 5/27/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM073 BlackTHunder 09F049370 6/30/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM080 BlackTHunder 09F048440 9/29/2009Coal As-Shipped Fuel Supply Black Thunder CBTMPCT023 BlackTHunder 09F067360 9/30/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM038 BlackTHunder 09F067370 10/10/2009Coal As-Shipped Fuel Supply Black Thunder CNTMCNM041 BlackTHunder 09F074150 10/15/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM114 BlackTHunder 09F074160 10/17/2009Coal As-Shipped Fuel Supply Black Thunder CBTMSUD067 BlackTHunder 09F074170 BlackTHunder Count 15 BlackTHunder Average BlackTHunder Max BlackTHunder Min BlackTHunder StdDev 12/30/2008Coal As-Shipped Fuel Supply Decker CDKSUD209 Decker 09F006860 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD210 Decker 09F009850 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD004 Decker 09F009860 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD005 Decker 09F009870 1/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD012 Decker 09F013990 1/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD013 Decker 09F014000 2/12/2009Coal As-Shipped Fuel Supply Decker CDKMSUD022 Decker 09F016530 2/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD023 Decker 09F016540 3/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD034 Decker 09F026170 3/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD035 Decker 09F026180 3/3/2009Coal As-Shipped Fuel Supply Decker CDKMSUD036 Decker 09F026190 5/4/2009Coal As-Shipped Fuel Supply Decker CDKMSUD052 Decker 09F033310 5/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD057 Decker 09F033320 5/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD058 Decker 09F033330 7/9/2009Coal As-Shipped Fuel Supply Decker CDKMSUD070 Decker 09F048510 7/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD071 Decker 09F048520 7/11/2009Coal As-Shipped Fuel Supply Decker CDKMSUD072 Decker 09F048530 7/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD086 Decker 09F051030 7/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD087 Decker 09F051040 7/28/2009Coal As-Shipped Fuel Supply Decker CDKMSUD080 Decker 09F049780 mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 1.35 3.52 0.92 1.60 0.34 0.28 0.06 0.15 0.03 16.92 83.08 0.20 2.27 21.81 80 3.58 1.83 0.81 1.35 3.52 0.92 1.60 0.34 0.28 0.06 0.15 0.03 16.92 83.08 0.20 2.27 21.81 80 3.58 1.83 0.81 1.35 3.52 0.92 1.60 0.34 0.28 0.06 0.15 0.03 16.92 83.08 0.20 2.27 21.81 80 3.58 1.83 0.81

0.55 1.19 0.32 1.42 0.02 0.06 0.02 0.09 0.16 14.6685.34 0.17 5.35Bituminous 13.85 82 7.34 2.12 0.81 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.55 1.19 0.32 1.42 0.02 0.06 0.02 0.09 0.16 14.6685.34 0.17 5.35 #DIV/0! 13.85 82 7.34 2.12 0.81 0.55 1.19 0.32 1.42 0.02 0.06 0.02 0.09 0.16 14.6685.34 0.17 5.35 0.00 13.85 82 7.34 2.12 0.81 0.55 1.19 0.32 1.42 0.02 0.06 0.02 0.09 0.16 14.6685.34 0.17 5.35 0.00 13.85 82 7.34 2.12 0.81

3.72 0.42 1.77 18.50 1.53 0.77 0.04 0.42 3.8442.6857.32 0.74 0.26Lignitic 55.52 42 0.30 1.75 0.47 3.61 0.59 1.24 8.48 0.85 0.53 0.03 0.29 3.55 34.61 65.39 0.53 0.34Lignitic 60.44 55 0.41 2.17 0.57 3.45 0.71 1.03 5.77 0.88 0.47 0.03 0.27 3.9030.1069.90 0.43 0.26Lignitic 66.05 61 0.31 2.48 0.63 3.67 0.67 1.10 6.99 0.88 0.52 0.03 0.29 1.47 32.6067.40 0.48 0.27Lignitic 66.44 59 0.33 2.41 0.60 4.71 0.44 1.20 10.10 0.57 0.57 0.03 0.32 0.3740.73 59.27 0.69 0.22Lignitic 68.91 51 0.26 1.94 0.49 5.06 0.37 1.35 9.84 0.46 0.56 0.03 0.33 2.2743.9456.06 0.78 0.21Lignitic 68.12 47 0.26 1.90 0.46 4.53 0.40 1.38 5.34 1.07 0.61 0.04 0.34 1.2639.73 60.27 0.66 0.30Lignitic 66.67 53 0.37 2.01 0.51 3.37 0.82 1.00 8.80 0.66 0.44 0.03 0.26 1.19 28.82 71.18 0.40 0.32Lignitic 63.58 63 0.39 2.67 0.65 3.73 0.60 1.08 9.58 0.85 0.47 0.03 0.28 3.1033.97 66.03 0.51 0.27Lignitic 64.65 56 0.33 2.42 0.59 3.74 0.64 1.08 6.72 0.43 0.60 0.04 0.32 1.3633.89 66.11 0.51 0.24Lignitic 70.28 59 0.28 2.46 0.59 3.99 0.66 1.03 8.71 0.61 0.42 0.02 0.24 3.09 33.85 66.15 0.51 0.25Lignitic 65.73 56 0.30 2.02 0.58 4.57 0.38 1.28 11.00 0.89 0.50 0.03 0.30 2.8142.5857.42 0.74 0.23Lignitic 65.35 47 0.28 1.76 0.47 3.38 0.37 1.27 12.00 0.93 0.45 0.03 0.32 2.11 37.43 62.57 0.60 0.31Lignitic 60.70 51 0.37 1.80 0.52 3.18 0.70 1.05 8.16 0.43 0.45 0.03 0.26 1.6030.4469.56 0.44 0.30Lignitic 64.03 61 0.36 2.42 0.63 3.23 0.51 1.12 9.07 0.75 0.47 0.03 0.29 2.7633.98 66.02 0.51 0.28Lignitic 63.82 56 0.33 2.21 0.58 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 3.86 0.55 1.20 9.27 0.79 0.52 0.03 0.30 2.31 35.96 64.04 0.57 0.27 #DIV/0! 64.69 54 0.33 2.16 0.56 5.06 0.82 1.77 18.50 1.53 0.77 0.04 0.42 3.9043.9471.18 0.78 0.34 0.00 70.28 63 0.41 2.67 0.65 3.18 0.37 1.00 5.34 0.43 0.42 0.02 0.24 0.37 28.82 56.06 0.40 0.21 0.00 55.52 42 0.26 1.75 0.46 0.58 0.15 0.20 3.15 0.29 0.09 0.01 0.04 1.08 4.91 4.91 0.12 0.04 #DIV/0! 3.70 5.96 0.05 0.30 0.06 4.92 0.69 5.34 11.80 0.89 1.19 0.04 0.70 3.2438.6061.40 0.63 0.25Lignitic 53.18 49 0.33 1.86 0.55 3.81 0.84 4.51 11.60 1.08 0.48 0.05 0.70 2.0635.56 64.44 0.55 0.37Lignitic 50.34 53 0.47 1.94 0.59 5.35 0.40 3.03 12.20 0.77 0.85 0.05 0.87 2.48 36.13 63.87 0.57 0.22Lignitic 59.89 51 0.30 2.12 0.57 3.97 0.75 3.43 14.20 0.71 1.43 0.03 0.78 3.6030.49 69.51 0.44 0.27Lignitic 51.43 54 0.37 2.32 0.65 2.30 1.02 7.24 10.90 1.03 1.33 0.03 0.69 3.52 32.4467.56 0.48 0.45Lignitic 39.22 55 0.55 1.98 0.66 2.24 1.01 6.92 11.20 1.23 1.33 0.03 0.70 3.61 31.31 68.69 0.46 0.46Lignitic 38.78 55 0.56 1.96 0.67 2.95 0.99 6.54 6.60 0.95 0.94 0.02 0.68 3.21 32.82 67.18 0.49 0.31Lignitic 49.30 58 0.38 2.45 0.66 2.88 1.17 6.62 6.95 1.21 1.13 0.03 0.62 3.4432.91 67.09 0.49 0.32Lignitic 47.67 57 0.39 2.05 0.65 3.10 0.60 8.42 9.64 1.08 1.45 0.02 0.85 2.18 37.32 62.68 0.60 0.20Lignitic 50.51 52 0.24 2.74 0.63 3.29 0.60 6.58 10.00 0.70 1.33 0.02 0.75 2.52 33.59 66.41 0.51 0.21Lignitic 52.49 55 0.25 2.25 0.64 2.89 0.62 7.94 9.87 0.85 1.36 0.02 0.75 -0.51 33.6066.40 0.51 0.23Lignitic 50.36 57 0.28 2.20 0.65 2.66 0.63 6.76 3.83 1.38 1.51 0.03 0.70 0.05 30.55 69.45 0.44 0.35Lignitic 50.51 63 0.43 2.42 0.68 2.72 0.66 6.46 3.45 1.34 1.49 0.03 0.70 -3.52 30.25 69.75 0.43 0.33Lignitic 54.79 66 0.40 2.33 0.68 4.33 0.74 3.74 12.80 0.50 0.82 0.03 0.53 0.58 35.49 64.51 0.55 0.21Lignitic 59.66 53 0.26 1.74 0.57 2.39 0.79 6.03 6.52 1.00 1.10 0.04 0.61 2.92 29.62 70.38 0.42 0.57Lignitic 42.07 61 0.71 2.21 0.68 4.33 0.88 5.37 13.50 0.64 1.18 0.04 0.63 -2.0033.3066.70 0.50 0.31Lignitic 52.38 57 0.41 2.13 0.63 4.41 0.91 3.50 13.80 0.61 0.99 0.03 0.55 -2.09 29.45 70.55 0.42 0.32Lignitic 54.97 60 0.44 1.96 0.65

3.08 0.97 6.77 9.05 0.47 1.28 0.03 0.64 0.37 34.68 65.32 0.53 0.48Lignitic 44.35 57 0.61 2.21 0.63

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### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 9/6/2009Coal As-Shipped Fuel Supply Decker Split for Progression Decker 09F058400 9/7/2009Coal As-Shipped Fuel Supply Decker CDKMSUD089 Decker 09F053120 11/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD120 Decker 09F073550 11/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD121 Decker 09F073560 40120.00Coal As-Shipped Fuel Supply Decker CDKMSUD122 Decker 09F073570 Decker Count 25 Decker Average Decker Max Decker Min Decker StdDev 8/24/2009Coal As-Shipped Fuel Supply Fork Creek D569 ForkCreek 09F067340 ForkCreek Count 1 ForkCreek Average ForkCreek Max ForkCreek Min ForkCreek StdDev 1/25/2009Coal As-Shipped Fuel Supply Goals D415 Goals 09F014220 3/22/2009Coal As-Shipped Fuel Supply Goals D-459 Goals 09F028920 5/17/2009Coal As-Shipped Fuel Supply Goals Goals 09F035020 6/19/2009Coal As-Shipped Fuel Supply Goals D519 Goals 09F046990 9/15/2009Coal As-Shipped Fuel Spply Goals D587 Goals 09F066830 Goals Count 5 Goals Average Goals Max Goals Min Goals StdDev 1/27/2009Coal As-Shipped Fuel Supply Independence D419 Independence 09F016280 Independence Count 1 Independence Average Independence Max Independence Min Independence StdDev 4/30/2009Coal As-Shipped Fuel Supply Jacob's Ranch 5 Gal JacobsRanch 09F028550 6/29/2009Coal As-Shipped Fuel Supply Jacob's Ranch JRMCNM034 JacobsRanch 09F048420 JacobRanch Count 2 JacobRanch Average JacobRanch Max JacobRanch Min JacobRanch StdDev 12/21/2008Coal As-Shipped Fuel Supply ICG Knott D648 Knott 09F006780 1/30/2009Coal As-Shipped Fuel Supply ICG Knott D413 Knott 09F014040 2/25/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F022520 3/26/2009Coal As-Shipped Fuel Supply ICG Knott D465 Knott 09F027380 4/24/2009Coal As-Shipped Fuel Supply ICG Knott D-489 Knott 09F031970 5/14/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F035010 6/30/2009Coal As-Shipped Fuel Supply ICG Knott D529 Knott 09F047020 9/26/2009Coal As-Shipped Fuel Supply ICG Knott D590 Knott 09F066810 10/12/2009Coal As-Shipped Fuel Supply ICG Knott County D-605 Knott 09F072970 Knott Count 9 Knott Average mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 3.78 0.89 6.92 15.00 0.67 1.23 0.03 0.75 -1.07 38.71 61.29 0.63 0.45Lignitic 43.58 50 0.58 1.97 0.58 3.12 0.70 8.47 17.40 0.49 0.78 0.02 0.67 2.5142.02 57.98 0.72 0.50Lignitic 37.55 44 0.62 1.77 0.54 2.75 1.21 6.77 8.62 0.91 1.21 0.04 0.61 0.57 32.88 67.12 0.49 0.36Lignitic 46.99 58 0.43 2.20 0.65 2.54 1.16 6.71 9.31 1.15 1.34 0.03 0.65 -1.25 31.26 68.74 0.45 0.33Lignitic 47.76 60 0.40 2.01 0.67 3.24 0.95 4.50 12.90 0.95 1.13 0.03 0.63 2.9033.29 66.71 0.50 0.35Lignitic 48.18 53.12 0.44 1.78 0.61 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 3.35 0.83 6.02 10.48 0.90 1.17 0.03 0.69 1.27 33.75 66.25 0.51 0.34 48.95 56 0.43 2.11 0.63 5.35 1.21 8.47 17.40 1.38 1.51 0.05 0.87 3.6142.02 70.55 0.72 0.57 59.89 66 0.71 2.74 0.68 2.24 0.40 3.03 3.45 0.47 0.48 0.02 0.53 -3.52 29.45 57.98 0.42 0.20 37.55 44 0.24 1.74 0.54 0.86 0.21 1.57 3.47 0.27 0.26 0.01 0.08 2.16 3.22 3.22 0.08 0.10 6.01 4.78 0.13 0.24 0.04 0.89 2.74 0.26 1.57 0.07 0.07 0.02 0.06 -1.67 9.81 90.19 0.11 2.37Bituminous 20.59 89 4.23 1.74 0.89 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.89 2.74 0.26 1.57 0.07 0.07 0.02 0.06 -1.67 9.81 90.19 0.11 2.37 20.59 89 4.23 1.74 0.89 0.89 2.74 0.26 1.57 0.07 0.07 0.02 0.06 -1.67 9.81 90.19 0.11 2.37 20.59 89 4.23 1.74 0.89 0.89 2.74 0.26 1.57 0.07 0.07 0.02 0.06 -1.67 9.81 90.19 0.11 2.37 20.59 89 4.23 1.74 0.89

0.79 2.33 0.44 0.10 0.32 0.11 0.01 0.14 -1.98 12.8887.12 0.15 4.94Bituminous 13.43 87 9.10 2.04 0.85 0.77 2.42 0.37 0.13 0.17 0.12 0.02 0.15 0.89 12.55 87.45 0.14 4.41Bituminous 14.11 85 7.80 2.00 0.86 0.76 2.26 0.33 0.41 0.55 0.14 0.02 0.16 -0.62 13.8886.12 0.16 5.02Bituminous 13.40 84 8.49 1.98 0.83 1.18 2.24 1.05 0.67 0.02 0.28 0.03 0.22 1.70 19.72 80.28 0.25 2.76Bituminous 21.40 77 3.83 2.00 0.76 0.79 2.47 0.57 1.84 0.28 0.11 0.03 0.15 -3.60 12.53 87.47 0.14 2.71Bituminous 20.75 87 3.89 1.77 0.85 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.86 2.34 0.55 0.63 0.27 0.15 0.02 0.16 -0.72 14.31 85.69 0.17 3.97 16.62 84 6.62 1.96 0.83 1.18 2.47 1.05 1.84 0.55 0.28 0.03 0.22 1.70 19.72 87.47 0.25 5.02 21.40 87 9.10 2.04 0.86 0.76 2.24 0.33 0.10 0.02 0.11 0.01 0.14 -3.60 12.53 80.28 0.14 2.71 13.40 77 3.83 1.77 0.76 0.18 0.10 0.29 0.72 0.20 0.07 0.01 0.03 2.14 3.07 3.07 0.05 1.15 4.09 4.21 2.56 0.11 0.04 0.88 2.94 0.42 0.43 0.05 0.10 0.02 0.09 1.36 12.9787.03 0.15 2.86Bituminous 18.66 84 4.49 1.84 0.85 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.88 2.94 0.42 0.43 0.05 0.10 0.02 0.09 1.36 12.9787.03 0.15 2.86 18.66 84 4.49 1.84 0.85 0.88 2.94 0.42 0.43 0.05 0.10 0.02 0.09 1.36 12.9787.03 0.15 2.86 18.66 84 4.49 1.84 0.85 0.88 2.94 0.42 0.43 0.05 0.10 0.02 0.09 1.36 12.9787.03 0.15 2.86 18.66 84 4.49 1.84 0.85

4.43 0.24 1.59 10.70 1.32 0.67 0.08 0.37 3.3647.2852.72 0.90 0.32Lignitic 60.13 42 0.38 1.66 0.41 4.28 0.40 1.73 12.00 1.30 0.61 0.02 0.33 2.2240.8459.16 0.69 0.25Lignitic 63.91 49 0.30 1.76 0.49 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 4.36 0.32 1.66 11.35 1.31 0.64 0.05 0.35 2.7944.0655.94 0.80 0.29 62.02 46 0.34 1.71 0.45 4.43 0.40 1.73 12.00 1.32 0.67 0.08 0.37 3.3647.2859.16 0.90 0.32 63.91 49 0.38 1.76 0.49 4.28 0.24 1.59 10.70 1.30 0.61 0.02 0.33 2.2240.8452.72 0.69 0.25 60.13 42 0.30 1.66 0.41 0.11 0.11 0.10 0.92 0.01 0.04 0.04 0.03 0.81 4.55 4.55 0.15 0.05 2.67 4.48 0.06 0.07 0.06 1.35 2.56 0.82 1.54 0.32 0.14 0.04 0.27 1.14 19.92 80.08 0.25 2.20Bituminous 24.90 76 3.02 1.97 0.76 0.88 2.42 0.62 1.04 0.20 0.18 0.04 0.23 0.59 16.6483.36 0.20 4.70Bituminous 13.94 80 7.57 2.03 0.80 1.02 2.48 0.51 0.34 0.12 0.14 0.03 0.18 -1.13 15.7884.22 0.19 4.22Bituminous 15.59 83 7.21 2.12 0.82 1.01 2.47 0.45 0.80 0.42 0.14 0.03 0.24 1.85 17.21 82.79 0.21 2.73Bituminous 21.33 79 3.77 1.91 0.79 0.90 2.50 0.57 0.92 0.38 0.17 0.02 0.21 3.39 15.52 84.48 0.18 3.30Bituminous 17.46 79 4.94 1.88 0.82 0.96 2.85 0.47 0.20 0.17 0.14 0.02 0.26 0.92 17.39 82.61 0.21 3.39Bituminous 18.06 80 4.88 1.87 0.79 0.98 2.52 0.47 0.21 0.22 0.02 0.30 3.43 17.31 82.69 0.21 2.96Bituminous 19.82 78 4.15 1.84 0.79 0.78 2.42 0.43 2.22 0.19 0.16 0.02 0.20 -0.10 15.49 84.51 0.18 3.30Bituminous 18.34 81 4.55 1.92 0.81 0.98 2.49 0.45 1.53 0.05 0.15 0.02 0.20 -1.68 16.8683.14 0.20 2.92Bituminous 21.00 81 4.04 1.84 0.79 9 9 9 8 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 0.98 2.52 0.53 1.07 0.23 0.16 0.03 0.23 0.93 16.9083.10 0.20 3.30 18.94 80 4.90 1.93 0.80

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 26 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Knott Max Knott Min Knott StdDev 12/22/2008Coal As-Shipped Fuel Supply Long Fork MIM60 LongFork 09F003970 2/26/2009Coal As-Shipped Fuel Supply Long Fork MIM 30 LongFork 09F022560 3/27/2009Coal As-Shipped Fuel Supply Long Fork mim57 LongFork 09F028910 4/17/2009Coal As-Shipped Fuel Supply Long Fork MIM10 LongFork 09F032460 9/22/2009Coal As-Shipped Fuel Supply Long Fork MIM52 LongFork 09F067330 12/27/2009Coal As-Shipped Fuel Supply Long Fork MIM40 LongFork 09F008180 LongFork Count 6 LongFork Average LongFork Max LongFork Min LongFork StdDev 3/1/2009Coal As-Shipped Fuel Supply Marfork Marfork 09F022500 Marfork Count 1 Marfork Average Marfork Max Marfork Min Marfork StdDev 3/12/2009Coal As-Shipped Fuel Supply Mountain Laurel D450 Mountain Laural 09F031690 5/22/2009Coal As-Shipped Fuel Supply Mountain Laurel D 505 Mountain Laural 09F035030 6/27/2009Coal As-Shipped Fuel Supply Mountain Laurel D526 Mountain Laural 09F049400 9/22/2009Coal As-Shipped Fuel Supply Mt. Laurel D588 Mountain Laural 09F067300 Mountain Laural Count 4 Mountain Laural Average Mountain Laural Max Mountain Laural Min Mountain Laural StdDev 2/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD09A NorthAntelope 09F014050 2/17/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO08A NorthAntelope 09F026910 3/2/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO09A NorthAntelope 09F026200 4/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD061A NorthAntelope 09F026920 4/9/2009Coal As-Shipped Fuel Supply North Antelope NAMSUD068A NorthAntelope 09F032470 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO23A NorthAntelope 09F033250 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO22A NorthAntelope 09F033260 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO21A NorthAntelope 09F033270 6/26/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT028A NorthAntelope 09F049740 6/30/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT029A North Antelope 09F049750 7/4/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT030A North Antelope 09F049760 10/6/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO41A NorthAntelope 09F073020 10/9/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD248A NorthAntelope 09F073030 11/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO48A NorthAntelope 09F073010 NorthAntelope Count 14 NorthAntelope Average NorthAntelope Max NorthAntelope Min NorthAntelope StdDev 12/15/2008Coal As-Shipped Fuel Supply Perry County D646 Perry 09F006810 6/13/2009Coal As-Shipped Fuel Supply Perry Coal Perry 09F035000 mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 1.35 2.85 0.82 2.22 0.42 0.22 0.04 0.30 3.43 19.92 84.51 0.25 4.70 24.90 83 7.57 2.12 0.82 0.78 2.42 0.43 0.20 0.05 0.14 0.02 0.18 -1.68 15.49 80.08 0.18 2.20 13.94 76 3.02 1.84 0.76 0.15650.13030.12460.66990.12130.02690.00870.0391.7827 1.362 1.3620.0212130.759058 3.274885 2.06041.5290030.0938680.01871 1.27 2.54 0.55 1.32 0.03 0.13 0.04 0.21 1.01 15.82 84.18 0.19 2.03Bituminous 25.66 80 2.95 1.85 0.81 0.76 1.98 0.43 0.98 0.22 0.13 0.03 0.23 -0.07 13.6486.36 0.16 2.33Bituminous 24.27 84 3.02 1.98 0.83 1.23 2.13 0.46 1.36 0.14 0.13 0.03 0.19 3.38 15.03 84.97 0.18 1.57Bituminous 30.15 79 2.16 1.89 0.82 0.85 2.33 0.53 1.10 0.28 0.12 0.02 0.18 3.80 14.9085.10 0.18 2.80Bituminous 19.80 79 3.94 1.91 0.82 0.97 2.68 0.38 2.48 0.19 0.13 0.03 0.18 -0.58 14.59 85.41 0.17 2.49Bituminous 21.93 82 3.58 1.78 0.82 1.37 2.05 0.66 1.80 0.70 0.17 0.03 0.29 2.13 17.52 82.48 0.21 1.30Bituminous 34.54 77 1.68 1.70 0.78 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 1.08 2.29 0.50 1.51 0.26 0.14 0.03 0.21 1.61 15.25 84.75 0.18 2.09 26.06 80 2.89 1.85 0.81 1.37 2.68 0.66 2.48 0.70 0.17 0.04 0.29 3.80 17.52 86.36 0.21 2.80 34.54 84 3.94 1.98 0.83 0.76 1.98 0.38 0.98 0.03 0.12 0.02 0.18 -0.58 13.6482.48 0.16 1.30 19.80 77 1.68 1.70 0.78 0.25 0.28 0.10 0.55 0.23 0.02 0.01 0.04 1.80 1.32 1.32 0.02 0.57 5.45 2.38 0.85 0.10 0.02 0.84 2.68 0.40 0.17 0.18 0.11 0.03 0.11 -2.49 11.22 88.78 0.13 3.66Bituminous 15.96 89 6.91 2.24 0.88 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.84 2.68 0.40 0.17 0.18 0.11 0.03 0.11 -2.49 11.22 88.78 0.13 3.66 15.96 89 6.91 2.24 0.88 0.84 2.68 0.40 0.17 0.18 0.11 0.03 0.11 -2.49 11.22 88.78 0.13 3.66 15.96 89 6.91 2.24 0.88 0.84 2.68 0.40 0.17 0.18 0.11 0.03 0.11 -2.49 11.22 88.78 0.13 3.66 15.96 89 6.91 2.24 0.88

0.85 2.71 0.32 0.10 0.06 0.09 0.02 0.10 -0.45 9.85 90.15 0.11 2.27Bituminous 21.21 89 3.82 2.04 0.90 0.99 3.08 0.45 1.33 0.14 0.10 0.02 0.10 -2.02 10.41 89.59 0.12 2.17Bituminous 21.52 90 3.90 1.93 0.89 0.84 2.59 0.50 1.51 0.26 0.09 0.01 0.13 -1.95 9.65 90.35 0.11 1.76Bituminous 24.65 89 2.71 1.73 0.90 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 0.89 2.79 0.42 0.98 0.15 0.09 0.02 0.11 -1.47 9.9790.03 0.11 2.07 #DIV/0! 22.46 89 3.48 1.90 0.90 0.99 3.08 0.50 1.51 0.26 0.10 0.02 0.13 -0.45 10.41 90.35 0.12 2.27 0.00 24.65 90 3.90 2.04 0.90 0.84 2.59 0.32 0.10 0.06 0.09 0.01 0.10 -2.02 9.65 89.59 0.11 1.76 0.00 21.21 89 2.71 1.73 0.89 0.08 0.26 0.09 0.77 0.10 0.01 0.01 0.02 0.89 0.39 0.39 0.01 0.27 #DIV/0! 1.90 0.49 0.67 0.16 0.01 5.53 0.44 1.75 8.47 1.70 0.72 0.02 0.38 -0.78 39.68 60.32 0.66 0.19Lignitic 70.77 53 0.23 1.98 0.51 5.55 0.42 2.17 8.57 1.16 0.65 0.02 0.35 1.1843.2656.74 0.76 0.19Lignitic 69.02 48 0.23 2.00 0.48 4.96 0.53 1.57 8.95 1.16 0.63 0.02 0.33 -0.11 36.61 63.39 0.58 0.20Lignitic 69.24 55 0.25 2.01 0.55 4.56 0.51 1.50 6.66 1.21 0.59 0.02 0.31 3.91 34.3065.70 0.52 0.22Lignitic 66.86 56 0.27 2.00 0.57 4.18 0.76 1.66 11.60 1.05 0.59 0.02 0.30 3.07 34.6465.36 0.53 0.25Lignitic 61.08 53 0.31 1.72 0.56 5.01 0.50 1.36 7.49 1.29 0.68 0.02 0.35 3.99 39.02 60.98 0.64 0.24Lignitic 65.53 51 0.30 1.90 0.51 5.43 0.43 1.29 6.58 1.45 0.74 0.01 0.38 2.9038.8061.20 0.63 0.19Lignitic 70.05 53 0.24 1.89 0.51 5.72 0.33 1.57 8.24 1.37 0.71 0.01 0.35 2.5842.63 57.37 0.74 0.18Lignitic 69.76 48 0.22 1.94 0.48 5.07 0.48 1.62 7.96 1.08 0.65 0.02 0.32 3.11 38.1061.90 0.62 0.21Lignitic 67.30 52 0.26 1.98 0.53 5.60 0.37 1.84 9.30 0.92 0.68 0.02 0.35 0.1045.6854.32 0.84 0.17Lignitic 71.91 47 0.20 1.85 0.44 5.33 0.37 1.59 6.91 1.01 0.69 0.02 0.34 3.49 39.86 60.14 0.66 0.20Lignitic 68.70 51 0.25 1.81 0.50 5.34 0.53 1.61 6.69 0.41 0.57 0.02 0.29 2.8141.59 58.41 0.71 0.21Lignitic 69.73 51 0.25 2.12 0.50 5.80 0.37 1.84 8.29 0.82 0.70 0.02 0.35 0.4046.62 53.38 0.87 0.20Lignitic 70.78 46 0.24 1.86 0.43

13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 5.24 0.46 1.64 8.13 1.13 0.66 0.02 0.34 2.0540.0659.94 0.67 0.20 68.52 51 0.25 1.93 0.51 5.80 0.76 2.17 11.60 1.70 0.74 0.02 0.38 3.9946.62 65.70 0.87 0.25 71.91 56 0.31 2.12 0.57 4.18 0.33 1.29 6.58 0.41 0.57 0.01 0.29 -0.78 34.3053.38 0.52 0.17 61.08 46 0.20 1.72 0.43 0.47 0.11 0.22 1.38 0.32 0.05 0.00 0.03 1.66 3.82 3.82 0.11 0.02 2.83 2.98 0.03 0.10 0.04 1.34 2.62 0.72 1.00 0.47 0.14 0.04 0.21 2.63 14.85 85.15 0.17 1.82Bituminous 25.86 80 2.80 1.80 0.83 0.91 2.22 0.59 0.27 0.35 0.14 0.03 0.26 -0.33 13.7786.23 0.16 2.57Bituminous 22.08 84 3.67 1.71 0.83

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### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 6/30/2009Coal As-Shipped Fuel Supply Perry D524 Perry 09F046980 9/11/2009Coal As-Shipped Fuel Supply Perry D581 Perry 09F066850 10/12/2009Coal As-Shipped Fuel Supply Perry D-614 Perry 09F072960 Perry Count 5 Perry Average Perry Max Perry Min Perry StdDev 12/16/2008Coal As-Shipped Fuel Supply Pevler Pevler 09F000900 12/30/2008Coal As-Shipped Fuel Supply Pevler MIM43 Pevler 09F006830 1/30/2009Coal As-Shipped Fuel Supply Pevler MIM80 Pevler 09F014010 2/26/2009Coal As-Shipped Fuel Supply Pevler D454 Pevler 09F022540 3/29/2009Coal As-Shipped Fuel Supply Pevler mim97 Pevler 09F028950 4/23/2009Coal As-Shipped Fuel Supply Pevler MIM04 Pevler 09F032780 5/28/2009Coal As-Shipped Fuel Supply Pevler MIT84 Pevler 09F049340 6/27/2009Coal As-Shipped Fuel Supply Pevler MIM94 Pevler 09F048540 8/3/2009Coal As-Shipped Fuel Supply Pevler MIM 39 Pevler 09F061650 9/29/2009Coal As-Shipped Fuel Supply Pevler MIM58 Pevler 09F066820 10/29/2009Coal As-Shipped Fuel Supply Pevler MIM 97 Pevler 09F072950 Pevler Count 11 Pevler Average Pevler Max Pevler Min Pevler StdDev 12/28/2008Coal As-Shipped Fuel Supply Premeir Elkhorn D404 PremierElkhorn 09F006790 2/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D437 PremierElkhorn 09F022550 3/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-468 PremierElkhorn 09F028940 4/26/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D490 PremierElkhorn 09F032790 5/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D506 PremierElkhorn 09F047030 6/20/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D518 PremierElkhorn 09F048580 9/30/2009Coal As-Shipped Fuel Supply Premier Elkhorn D598 PremierElkhorn 09F066840 9/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-598 PremierElkhorn 09F072990 10/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-611 PremierElkhorn 09F073000 PremierElkhorn Count 9 PremierElkhorn Average PremierElkhorn Max PremierElkhorn Min PremierElkhorn StdDev 1/27/2009Coal As-Shipped Fuel Supply Saphire D416 Sapphire 09F010310 2/8/2009Coal As-Shipped Fuel Supply Saphire D426 Sapphire 09F014020 3/16/2009Coal As-Shipped Fuel Supply Saphire D454 Sapphire 09F022530 4/20/2009Coal As-Shipped Fuel Supply Sapphire D480 Sapphire 09F028190 6/9/2009Coal As-Shipped Fuel Supply Saphire D515 Sapphire 09F049410 6/26/2009Coal As-Shipped Fuel Supply Sapphire D521 Sapphire 09F047000 7/20/2009Coal As-Shipped Fuel Supply Sapphire D543 Sapphire 09F047010 8/27/2009Coal As-Shipped Fuel Supply Saphire D568 Sapphire 09F067350 9/24/2009Coal As-Shipped Fuel Supply Saphire D594 Sapphire 09F066800 11/16/2009Coal As-Shipped Fuel Supply Saphire D622 Sapphire 09F072940 12/6/2009Coal As-Shipped Fuel Supply Saphire D 641 Sapphire 09F074400 12/11/2008Coal As-Shipped Fuel Supply Saphire D645 Sapphire 09F003990 mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 0.95 2.32 0.69 0.26 0.19 0.16 0.03 0.24 1.22 12.9887.02 0.15 2.01Bituminous 24.80 84 2.85 1.73 0.85 0.75 2.47 0.53 2.46 0.30 0.13 0.03 0.13 -1.64 17.2782.73 0.21 3.51Bituminous 18.00 81 4.63 1.62 0.78 0.90 2.21 0.65 1.34 0.41 0.13 0.03 0.27 -3.38 12.73 87.27 0.15 2.01Bituminous 26.16 87 2.75 1.58 0.84 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.97 2.37 0.64 1.07 0.34 0.14 0.03 0.22 -0.30 14.32 85.68 0.17 2.38 23.38 83 3.34 1.69 0.83 1.34 2.62 0.72 2.46 0.47 0.16 0.04 0.27 2.63 17.2787.27 0.21 3.51 26.16 87 4.63 1.80 0.85 0.75 2.21 0.53 0.26 0.19 0.13 0.03 0.13 -3.38 12.73 82.73 0.15 1.82 18.00 80 2.75 1.58 0.78 0.22 0.18 0.08 0.91 0.11 0.01 0.00 0.06 2.35 1.84 1.84 0.02 0.69 3.41 2.82 0.81 0.09 0.03 0.73 2.47 0.74 1.54 0.05 0.11 0.03 0.15 3.82 17.42 82.58 0.21 2.96Bituminous 19.18 77 3.79 1.59 0.78 1.53 2.48 0.64 1.98 0.03 0.16 0.02 0.13 3.10 20.6479.36 0.26 1.87Bituminous 27.72 74 2.55 1.62 0.74 0.89 2.46 0.98 1.58 0.27 0.11 0.03 0.15 2.47 16.61 83.39 0.20 2.62Bituminous 20.66 79 3.53 1.55 0.79 0.83 2.24 0.58 0.71 0.07 0.09 0.03 0.12 -0.46 16.49 83.51 0.20 3.24Bituminous 19.40 82 4.38 1.80 0.79 0.79 2.10 0.73 0.42 0.20 0.11 0.02 0.16 3.45 16.79 83.21 0.20 3.27Bituminous 18.46 79 4.39 1.62 0.79 0.81 2.07 0.60 1.09 0.28 0.14 0.03 0.15 1.84 16.63 83.37 0.20 3.27Bituminous 18.82 79 4.41 1.57 0.78 0.90 2.29 0.47 2.05 0.12 0.12 0.03 0.12 0.82 18.7681.24 0.23 3.80Bituminous 17.38 78 5.25 1.72 0.76 1.04 2.41 0.63 1.73 0.07 0.15 0.03 0.15 2.55 18.71 81.29 0.23 2.73Bituminous 21.49 77 3.69 1.71 0.76 1.07 3.26 0.72 2.19 0.21 0.11 0.03 0.15 -1.72 20.05 79.95 0.25 2.63Bituminous 21.79 78 3.49 1.52 0.75 0.67 2.42 0.43 1.38 0.49 0.15 0.03 0.22 -1.26 16.8683.14 0.20 5.59Bituminous 12.46 81 8.21 1.74 0.79 0.86 2.14 0.49 1.34 0.11 0.08 0.02 0.11 -0.39 15.0884.92 0.18 2.89Bituminous 20.89 83 3.98 1.52 0.80 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 0.92 2.39 0.64 1.46 0.17 0.12 0.03 0.15 1.29 17.6482.36 0.21 3.17 19.84 79 4.33 1.63 0.78 1.53 3.26 0.98 2.19 0.49 0.16 0.03 0.22 3.82 20.6484.92 0.26 5.59 27.72 83 8.21 1.80 0.80 0.67 2.07 0.43 0.42 0.03 0.08 0.02 0.11 -1.72 15.0879.36 0.18 1.87 12.46 74 2.55 1.52 0.74 0.23 0.33 0.16 0.55 0.14 0.03 0.00 0.03 1.98 1.69 1.69 0.02 0.94 3.67 2.45 1.46 0.10 0.02 0.98 2.24 0.42 0.51 0.16 0.25 0.03 0.18 3.60 18.15 81.85 0.22 4.04Bituminous 15.98 77 6.11 1.93 0.78 0.89 2.30 0.59 0.86 0.08 0.23 0.03 0.22 -1.19 20.6879.32 0.26 4.85Bituminous 14.65 78 6.87 1.99 0.75 0.93 1.99 0.56 0.25 0.20 0.27 0.03 0.24 3.06 20.9679.04 0.27 4.76Bituminous 14.55 75 6.84 1.90 0.74 0.83 2.01 0.43 0.77 0.18 0.28 0.03 0.22 2.35 19.8480.16 0.25 5.76Bituminous 12.40 76 8.70 1.80 0.75 1.02 2.23 0.59 0.23 0.31 0.32 0.05 0.24 1.62 20.03 79.97 0.25 4.16Bituminous 16.12 77 6.08 1.89 0.75

0.78 2.12 0.43 1.96 0.18 0.24 0.06 0.22 -1.11 18.43 81.57 0.23 5.00Bituminous 14.11 79 7.14 1.82 0.77 0.94 2.16 0.42 1.08 -0.07 0.23 0.05 0.21 -2.24 17.9682.04 0.22 4.52Bituminous 15.65 81 6.79 1.78 0.77 1.01 2.46 0.41 1.23 -0.19 0.21 0.03 0.23 1.70 17.7782.23 0.22 3.82Bituminous 16.71 78 5.80 2.00 0.78 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 0.92 2.19 0.48 0.86 0.11 0.25 0.04 0.22 0.97 19.23 80.77 0.24 4.61 15.02 78 6.79 1.89 0.76 1.02 2.46 0.59 1.96 0.31 0.32 0.06 0.24 3.60 20.9682.23 0.27 5.76 16.71 81 8.70 2.00 0.78 0.78 1.99 0.41 0.23 -0.19 0.21 0.03 0.18 -2.24 17.77 79.04 0.22 3.82 12.40 75 5.80 1.78 0.74 0.09 0.15 0.08 0.57 0.16 0.04 0.01 0.02 2.19 1.29 1.29 0.02 0.62 1.39 2.10 0.90 0.08 0.02 1.00 2.16 1.04 1.62 0.55 0.24 0.04 0.31 1.57 21.5678.44 0.27 4.59Bituminous 14.47 74 6.75 1.86 0.73 0.82 1.89 0.81 1.27 0.43 0.19 0.03 0.29 3.51 19.3680.64 0.24 4.65Bituminous 14.21 75 6.63 1.77 0.75 0.87 2.13 0.66 0.43 0.07 0.18 0.04 0.23 0.59 18.9781.03 0.23 4.86Bituminous 14.28 78 7.16 2.10 0.77 0.57 1.22 0.29 1.90 0.01 0.04 0.02 0.04 1.85 12.4087.60 0.14 2.59Bituminous 23.39 83 3.22 1.52 0.83 0.95 1.95 0.64 1.29 0.38 0.19 0.03 0.27 0.53 24.01 75.99 0.32 5.86Bituminous 12.83 74 8.47 1.86 0.69 1.06 2.30 0.82 0.06 0.31 0.21 0.03 0.21 3.9421.45 78.55 0.27 4.29Bituminous 15.38 74 6.33 1.97 0.74 1.01 2.12 0.66 0.06 0.19 0.22 0.03 0.24 3.93 21.72 78.28 0.28 4.42Bituminous 15.28 74 6.36 1.97 0.73 0.72 2.67 0.48 1.09 0.27 0.09 0.02 0.12 -1.00 9.8690.14 0.11 1.96Bituminous 22.82 88 2.88 1.69 0.89 0.85 1.95 0.67 2.52 0.20 0.20 0.03 0.25 -0.40 21.4678.54 0.27 4.70Bituminous 14.91 75 6.40 1.85 0.73 1.08 2.02 0.61 1.58 0.06 0.19 0.03 0.24 1.57 20.2479.76 0.25 3.74Bituminous 17.59 76 5.37 1.76 0.74 0.80 1.73 0.68 2.32 0.18 0.20 0.04 0.29 0.76 21.41 78.59 0.27 4.53Bituminous 15.37 74 5.98 2.00 0.73 1.32 2.28 0.79 0.89 0.04 0.18 0.03 0.26 0.79 22.71 77.29 0.29 4.42Bituminous 15.55 74 7.06 1.89 0.72

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 28 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Sapphire Count 12 Sapphire Average Sapphire Max Sapphire Min Sapphire StdDev 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F014210 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F022510 3/20/2009Coal As-Shipped Fuel Supply ICG Sentinal D467 Sentenial 09F028180 4/11/2009Coal As-Shipped Fuel Supply ICG Senteniel D470 Sentenial 09F032800 6/25/2009Coal As-Shipped Fuel Supply ICG Sentinal D520 Sentenial 09F048570 Sentenial Count 5 Sentenial Average Sentenial Max Sentenial Min Sentenial StdDev 3/31/2009Coal As-Shipped Fuel Supply Sidney mim05 Sidney 09F028930 4/12/2009Coal As-Shipped Fuel Supply Sidney MIM Sidney 09F032450 5/4/2009Coal As-Shipped Fuel Supply Sidney MIM49 Sidney 09F049390 5/20/2009Coal As-Shipped Fuel Supply Sidney MIT81 Sidney 09F049380 9/24/2009Coal As-Shipped Fuel Supply Sidney MIM81 Sidney 09F067320 Sidney Count 5 Sidney Average Sidney Max Sidney Min Sidney StdDev 12/17/2008Coal As-Shipped Fuel Supply Spring Creek SCMSUD420 SpringCreek 08F004150 12/29/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD420 SpringCreek 09F006880 12/31/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD429 SpringCreek 09F006890 1/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD014 SpringCreek 09F016490 1/31/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD015 SpringCreek 09F016500 2/22/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD040 SpringCreek 09F026140 2/28/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD046 SpringCreek 09F026150 3/5/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD050 SpringCreek 09F026160 4/20/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD120 SpringCreek 09F033280 5/1/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD141 SpringCreek 09F033290 5/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD162 SpringCreek 09F033300 6/3/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD255 SpringCreek 09F048410 6/27/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD250 SpringCreek 09F049770 6/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD254 SpringCreek 09F048400 8/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD373 SpringCreek 09F070100 9/28/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD427 SpringCreek 09F070110 9/30/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD431 SpringCreek 09F070120 10/12/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD451 SpringCreek 09F073520 10/18/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD462 SpringCreek 09F073530 10/22/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD470 SpringCreek 09F073540 12/8/2009Coal As-Shipped Fuel Supply Spring Creek SCSMSUD410 SpringCreek 09F006870 SpringCreek Count 21 SpringCreek Average SpringCreek Max SpringCreek Min mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 0.92 2.04 0.68 1.25 0.22 0.18 0.03 0.23 1.47 19.6080.40 0.25 4.22 16.34 77 6.05 1.85 0.75 1.32 2.67 1.04 2.52 0.55 0.24 0.04 0.31 3.9424.01 90.14 0.32 5.86 23.39 88 8.47 2.10 0.89 0.57 1.22 0.29 0.06 0.01 0.04 0.02 0.04 -1.00 9.8675.99 0.11 1.96 12.83 74 2.88 1.52 0.69 0.19 0.35 0.19 0.80 0.17 0.06 0.01 0.08 1.62 4.21 4.21 0.06 1.04 3.35 4.55 1.59 0.16 0.05 0.55 1.17 0.28 1.58 0.10 0.04 0.02 0.05 1.11 14.0885.92 0.16 2.77Bituminous 23.01 82 3.34 1.55 0.80 0.54 1.18 0.27 1.22 0.00 0.03 0.02 0.04 0.07 12.83 87.17 0.15 2.54Bituminous 24.64 85 3.07 1.75 0.83 0.99 2.04 0.63 1.92 0.04 0.24 0.02 0.28 2.81 19.71 80.29 0.25 4.11Bituminous 15.88 75 6.01 1.75 0.75 0.52 1.20 0.22 1.74 0.14 0.04 0.02 0.04 3.78 12.8487.16 0.15 2.50Bituminous 23.75 81 3.02 1.60 0.82 0.73 1.20 0.27 1.87 0.32 0.03 0.02 0.05 -0.94 16.65 83.35 0.20 2.21Bituminous 28.41 82 2.61 1.55 0.77 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.67 1.36 0.33 1.67 0.12 0.08 0.02 0.09 1.37 15.22 84.78 0.18 2.83 #DIV/0! 23.14 81 3.61 1.64 0.79 0.99 2.04 0.63 1.92 0.32 0.24 0.02 0.28 3.78 19.71 87.17 0.25 4.11 0.00 28.41 85 6.01 1.75 0.83 0.52 1.17 0.22 1.22 0.00 0.03 0.02 0.04 -0.94 12.83 80.29 0.15 2.21 0.00 15.88 75 2.61 1.55 0.75 0.20 0.38 0.17 0.28 0.12 0.09 0.00 0.11 1.93 2.95 2.95 0.04 0.74 #DIV/0! 4.56 3.75 1.37 0.10 0.03 0.93 2.33 0.62 0.84 0.17 0.13 0.03 0.22 0.48 14.2085.80 0.17 2.02Bituminous 25.57 83 2.72 1.86 0.83 0.85 2.42 0.86 0.80 0.15 0.14 0.02 0.14 3.29 13.7886.22 0.16 2.78Bituminous 18.95 81 4.13 1.76 0.84 0.87 2.17 0.43 1.32 0.04 0.13 0.02 0.23 2.92 17.19 82.81 0.21 2.94Bituminous 20.71 79 3.90 1.86 0.78 0.84 2.09 0.39 1.33 0.14 0.12 0.02 0.17 3.39 19.2080.80 0.24 3.85Bituminous 17.19 76 5.16 1.82 0.76 0.84 3.08 0.45 1.37 0.15 0.16 0.03 0.17 0.36 14.61 85.39 0.17 3.25Bituminous 17.32 82 4.86 1.70 0.83 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.87 2.42 0.55 1.13 0.13 0.14 0.02 0.19 2.09 15.8084.20 0.19 2.97 19.95 80 4.15 1.80 0.81 0.93 3.08 0.86 1.37 0.17 0.16 0.03 0.23 3.39 19.2086.22 0.24 3.85 25.57 83 5.16 1.86 0.84 0.84 2.09 0.39 0.80 0.04 0.12 0.02 0.14 0.36 13.7880.80 0.16 2.02 17.19 76 2.72 1.70 0.76 0.04 0.39 0.19 0.29 0.05 0.02 0.01 0.04 1.53 2.32 2.32 0.03 0.67 3.45 2.65 0.95 0.07 0.04 3.69 0.82 7.45 16.40 0.54 1.36 0.06 0.74 -0.17 37.6062.40 0.60 0.25Lignitic 47.32 49 0.31 2.05 0.60 4.81 1.11 4.75 9.45 0.58 1.16 0.03 0.46 2.3034.35 65.65 0.52 0.20Lignitic 57.55 55 0.26 2.15 0.61 4.35 0.59 8.48 13.40 0.37 1.33 0.04 0.73 3.7143.7056.30 0.78 0.23Lignitic 48.38 44 0.29 1.56 0.51 4.18 0.74 8.95 12.50 0.23 1.33 0.05 0.70 3.5142.4657.54 0.74 0.22Lignitic 48.42 46 0.27 1.51 0.52 3.21 0.88 8.35 9.36 0.17 1.01 0.04 0.54 3.55 36.31 63.69 0.57 0.24Lignitic 48.17 53 0.30 1.94 0.62 3.37 0.81 7.63 11.00 0.33 1.21 0.05 0.66 1.83 37.06 62.94 0.59 0.29Lignitic 48.33 52 0.35 2.20 0.61 3.54 0.50 7.69 11.50 0.40 1.28 0.04 0.73 1.61 38.8061.20 0.63 0.23Lignitic 51.29 50 0.29 1.93 0.57 3.95 0.77 7.31 10.60 0.33 1.33 0.05 0.72 1.61 37.59 62.41 0.60 0.24Lignitic 51.60 52 0.30 2.19 0.60 4.51 0.96 6.17 6.24 0.35 1.25 0.05 0.58 0.29 35.59 64.41 0.55 0.27Lignitic 55.92 57 0.35 1.97 0.60 3.74 1.14 8.19 6.42 0.29 1.00 0.06 0.66 0.2036.66 63.34 0.58 0.29Lignitic 51.00 57 0.37 2.22 0.62 3.89 1.08 8.30 6.37 0.16 1.12 0.07 0.67 -0.82 37.68 62.32 0.60 0.31Lignitic 51.75 56 0.38 2.27 0.61 4.11 1.11 8.64 9.02 0.01 1.45 0.06 0.79 -1.4040.2059.80 0.67 0.27Lignitic 53.04 53 0.33 2.02 0.57 5.07 0.73 5.50 12.40 0.01 1.49 0.05 0.89 1.2840.8059.20 0.69 0.22Lignitic 56.08 48 0.29 1.68 0.52 4.64 1.20 5.91 5.40 0.09 1.24 0.05 0.76 2.02 37.8062.20 0.61 0.27Lignitic 57.53 56 0.34 2.26 0.58

3.82 0.85 7.85 10.70 0.18 0.97 0.05 0.69 0.6740.33 59.67 0.68 0.25Lignitic 52.12 50 0.31 1.92 0.56 3.26 0.89 4.11 11.30 0.37 0.71 0.03 0.46 3.91 36.65 63.35 0.58 0.37Lignitic 50.64 52 0.45 1.92 0.57 3.61 0.70 7.56 12.10 0.17 1.18 0.05 0.73 3.2439.5460.46 0.65 0.22Lignitic 50.33 49 0.27 1.77 0.56 3.07 1.02 6.82 10.40 0.32 1.16 0.06 0.67 2.2035.6064.40 0.55 0.28Lignitic 49.18 54 0.34 1.98 0.61 4.67 0.92 6.65 12.50 0.47 1.35 0.05 0.68 0.9439.71 60.29 0.66 0.25Lignitic 52.15 49 0.32 1.89 0.56 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 3.97 0.89 7.17 10.37 0.28 1.21 0.05 0.68 1.6038.3461.66 0.62 0.26 51.62 52 0.32 1.97 0.58 5.07 1.20 8.95 16.40 0.58 1.49 0.07 0.89 3.9143.7065.65 0.78 0.37 57.55 57 0.45 2.27 0.62 3.07 0.50 4.11 5.40 0.01 0.71 0.03 0.46 -1.4034.35 56.30 0.52 0.20 47.32 44 0.26 1.51 0.51

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 29 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid SpringCreek StdDev 5/7/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM029WestBlackThunder09F049350 6/29/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM034WestBlackTHunder09F048430 WestBlackThunder Count 2 WestBlackThunder Average WestBlackThunder Max WestBlackThunder Min WestBlackThunder StdDev Grand Count 178 Grand Average Grand Max Grand Min Grand StdDev mgo k2o na2o so3 p2o5 baomno2 sro und base acidba_ratioash_ratio ash_typedolomiteesp_idxfe_ca_ratsi_al_ratsi_ratio 0.58 0.19 1.35 2.80 0.16 0.19 0.01 0.11 1.56 2.44 2.44 0.07 0.04 3.18 3.70 0.05 0.22 0.03 3.19 0.72 1.05 10.80 1.00 0.49 0.03 0.28 -1.38 28.85 71.15 0.41 0.34Lignitic 62.89 63 0.41 2.25 0.64 3.88 0.60 1.14 5.28 1.49 0.55 0.02 0.30 2.1633.32 66.68 0.50 0.26Lignitic 68.52 60 0.32 2.44 0.59 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3.54 0.66 1.10 8.04 1.25 0.52 0.03 0.29 0.39 31.09 68.92 0.46 0.30 65.71 61 0.37 2.35 0.62 3.88 0.72 1.14 10.80 1.49 0.55 0.03 0.30 2.1633.32 71.15 0.50 0.34 68.52 63 0.41 2.44 0.64 3.19 0.60 1.05 5.28 1.00 0.49 0.02 0.28 -1.38 28.85 66.68 0.41 0.26 62.89 60 0.32 2.25 0.59 0.49 0.08 0.06 3.90 0.35 0.04 0.01 0.01 2.50 3.16 3.16 0.06 0.06 3.98 2.20 0.06 0.13 0.04 170 170 170 169 170 170 170 170 170 170 170 170 170 170 170 170 170 170 170 2.58 1.44 2.29 5.54 0.59 0.53 0.03 0.35 1.33 27.42 72.58 0.41 1.80 #DIV/0! 39.59 66 2.55 1.96 0.67 6.57 3.52 8.95 18.50 4.16 1.51 0.08 0.89 4.0048.7690.35 0.95 6.01 0.00 71.91 90 9.10 2.74 0.90 0.52 0.24 0.22 0.06 -0.19 0.03 0.01 0.04 -3.60 9.65 51.24 0.11 0.17 0.00 12.38 42 0.20 1.51 0.41 1.76 0.86 2.60 4.64 0.59 0.45 0.01 0.22 1.88 10.86 10.86 0.22 1.77 #DIV/0! 21.11 14.02 2.62 0.25 0.13

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 30 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 

## Plants: 

# Belle River Power Plant 1/26/2009Coal A/F Monthly-BRPP January 2009 BR 09F010630 2/25/2009Coal A/F Monthly-BRPP February 2009 BR 09F015490 3/25/2009Coal A/F Monthly-BRPP March 2009 BR 09F022110 5/11/2009Coal A/F Monthly-BRPP April 2009 BR 09F029960 5/25/2009Coal A/F Monthly-BRPP May 2009 BR 09F033150 6/25/2009Coal A/F Monthly-BRPP June 2009 BR 09F040220 7/25/2009Coal A/F Monthly-BRPP July 2009 BR 09F048740 8/25/2009Coal A/F Monthly-BRPP August 2009 BR 09F053040 9/25/2009Coal A/F Monthly-BRPP September 2009 BR 09F060070 10/25/2009Coal A/F Monthly-BRPP October 2009 BR 09F066990 11/25/2009Coal A/F Monthly-BRPP November 2009 BR 09F073190 12/25/2009Coal A/F Monthly-BRPP December 2009 BR 10F002320 BR Count 12 BR Average BR Max BR Min BR StdDev 

# Harbor Beach Power Plant 1/25/2009Coal A/F Monthly-HBPP January 2009 HB 09F010640 2/25/2009Coal A/F Monthly-HBPP February 2009 HB 09F015480 3/25/2009Coal A/F Monthly-HBPP March 2009 HB 09F022100 5/11/2009Coal A/F Monthly-HBPP April 2009 HB 09F029950 6/25/2009Coal A/F Monthly-HBPP June 2009 HB 09F040210 7/25/2009Coal A/F Monthly-HBPP July 2009 HB 09F048730 8/25/2009Coal A/F Monthly-HBPP August 2009 HB 09F053030 9/25/2009Coal A/F Monthly-HBPP September 2009 HB 09F060060 10/25/2009Coal A/F Monthly-HBPP October 2009 HB 09F066980 11/25/2009Coal A/F Monthly-HBPP November 2009 HB 09F073180 12/15/2009Coal A/F Monthly-HBPP December 2009 HB 10F002310 HB Count 11 HB Average HB Max HB Min HB StdDev 

# Monroe Power Plant 1/25/2009Coal A/F Monthly-MOPP January 2009 MO 09F010650 2/25/2009Coal A/F Monthly-MOPP February 2009 MO 09F015470 3/25/2009Coal A/F Monthly-MOPP March 2009 MO 09F022090 5/11/2009Coal A/F Monthly-MOPP April 2009 MO 09F029940 5/25/2009Coal A/F Monthly-MOPP May 2009 MO 09F033140 6/25/2009Coal A/F Monthly-MOPP June 2009 MO 09F040200 7/25/2009Coal A/F Monthly-MOPP July 2009 MO 09F048720 8/25/2009Coal A/F Monthly-MOPP August 2009 MO 09F053020 9/25/2009Coal A/F Monthly-MOPP September 2009 MO 09F060050 10/25/2009Coal A/F Monthly-MOPP October 2009 MO 09F066960 11/25/2009Coal A/F Monthly-MOPP November 2009 MO 09F073170 ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn

0.41 0.88 476 0.12 10 0.08 110 0.82 3.20 8.54 270.046 12.80 0.54 2.03 1.27 0.05 0.26 0.06 8.05 7.99 0.91 0.13 10 0.06 130 0.83 3.39 6.70 32 0.040 11.20 0.51 2.21 1.22 0.02 0.27 0.05 7.84 5.90 0.01 1.32 460 0.14 10 0.06 150 0.94 3.70 7.37 300.060 12.40 0.60 2.04 1.29 0.02 0.51 0.05 9.95 8.04 0.07 0.98 528 0.14 10 0.06 75 0.94 3.70 7.24 310.036 13.50 0.61 1.92 1.26 0.06 0.24 0.04 13.00 5.75 0.09 0.99 451 0.18 10 0.06 91 0.87 2.70 7.74 290.044 12.80 0.53 1.82 1.31 0.04 0.54 0.06 10.10 4.34 0.15 2.58 447 0.16 10 0.05 95 0.88 2.02 7.57 200.037 11.30 0.55 1.91 1.56 0.17 0.30 0.05 7.64 3.44 0.08 1.98 510 0.16 10 0.05 72 0.94 1.42 8.56 290.048 15.70 0.58 1.96 1.23 0.02 0.37 0.05 11.20 5.92 0.06 1.88 454 0.17 10 0.04 40 0.89 3.00 6.72 32 0.047 11.60 0.59 2.00 1.43 0.02 0.43 0.06 9.03 3.55 0.12 1.40 461 0.15 10 0.05 34 0.67 2.37 7.16 310.063 12.30 0.60 1.99 1.12 0.03 0.38 0.05 9.27 5.26 0.05 1.12 442 0.19 10 0.09 30 0.85 2.81 7.75 300.068 10.36 0.57 2.08 1.24 0.41 0.06 7.14 13.53 0.06 0.79 542 0.22 10 0.07 30 0.78 2.25 22.60 300.042 12.89 0.43 1.90 7.11 0.11 0.25 0.06 11.60 8.02 10 50 40 10 11 10 11 12 11 12 11 11 11 12 11 11 11 11 11 10 11 11 11 11 0.11 1.35 477 0.16 10 0.06 76 0.86 2.78 8.90 300.048 12.44 0.56 1.99 1.82 0.05 0.36 0.05 9.53 6.52 0.41 2.58 542 0.22 10 0.09 150 0.94 3.70 22.60 400.068 15.70 0.61 2.21 7.11 0.17 0.54 0.06 13.00 13.53 0.01 0.79 442 0.12 10 0.04 30 0.67 1.42 6.70 200.036 10.36 0.43 1.82 1.12 0.02 0.24 0.04 7.14 3.44 0.11 0.57 36 0.03 0.00 0.01 40.58 0.08 0.72 4.58 4.48 0.01 1.42 0.05 0.10 1.76 0.05 0.11 0.01 1.85 2.86

0.16 3.90 90 1.36 10 0.06 1,400 5.20 13.30 12.25 640.066 14.70 0.94 9.50 6.89 0.04 2.40 0.29 27.40 11.74 3.25 94 1.19 10 0.06 1,500 5.19 12.30 17.60 560.050 10.60 0.79 15.90 7.35 0.03 2.43 0.28 26.20 23.40 0.11 4.17 80 1.54 10 0.05 1,400 5.64 11.00 15.80 540.070 11.50 1.02 10.16 7.15 0.04 2.79 0.29 23.60 9.96 0.13 3.19 100 1.40 10 0.06 2,000 5.48 11.00 14.10 490.033 13.00 0.97 10.17 6.57 0.09 2.33 0.21 27.50 9.19 0.13 3.62 127 1.47 10 0.05 1,100 5.37 12.80 12.75 560.061 11.00 0.74 9.96 8.07 0.02 2.50 0.30 23.60 9.41 0.07 2.76 183 1.16 10 0.05 1,050 4.70 13.10 17.00 680.058 11.00 0.72 8.40 6.04 0.09 2.16 0.21 24.90 10.32 0.06 4.27 199 1.20 10 0.05 810 3.89 7.46 11.38 55 0.048 11.60 0.63 7.32 5.33 0.12 2.28 0.22 19.50 8.00 0.06 4.44 154 1.02 10 0.06 800 4.58 8.22 16.00 55 0.068 10.00 0.66 6.73 4.89 0.19 2.63 0.23 17.70 9.71 0.04 4.67 165 1.52 10 0.06 810 3.91 8.53 12.13 600.100 9.01 0.64 7.68 4.93 0.07 2.28 0.27 14.42 12.49 0.06 3.98 189 1.13 10 0.06 900 15.70 13.60 16.80 400.072 11.10 0.60 19.90 5.76 0.04 1.74 0.29 23.90 11.70 10 800 50 9 10 10 10 11 10 11 10 10 10 11 10 10 10 10 10 10 10 10 10 10 0.09 3.83 138 1.30 10 0.05 1,143 5.97 11.13 14.58 55 0.063 11.35 0.77 10.57 6.30 0.07 2.35 0.26 22.87 11.59 0.16 4.67 199 1.54 10 0.06 2,000 15.70 13.60 17.60 680.100 14.70 1.02 19.90 8.07 0.19 2.79 0.30 27.50 23.40 0.04 2.76 80 1.02 10 0.05 800 3.89 7.46 11.38 400.033 9.01 0.60 6.73 4.89 0.02 1.74 0.21 14.42 8.00 0.04 0.61 45 0.18 0.00 0.01 389.95 3.48 2.30 2.33 7.51 0.02 1.57 0.15 4.16 1.08 0.05 0.28 0.04 4.33 4.37

0.13 3.20 241 0.65 10 0.07 740 2.62 8.11 11.47 45 0.065 11.30 0.65 5.47 4.12 0.03 1.22 0.22 16.00 8.86 2.55 0.59 10 0.07 620 2.38 6.45 10.63 45 0.050 9.44 0.55 5.16 3.60 0.02 0.81 0.18 12.40 8.30 0.04 3.13 192 0.72 10 0.06 740 2.76 8.51 12.60 440.070 10.40 0.70 5.63 3.76 0.02 1.50 0.24 16.00 8.52 0.08 3.28 245 0.65 10 0.06 600 3.36 6.96 11.28 460.060 12.60 0.82 6.86 4.37 0.08 1.25 0.2420.40 8.27 0.12 3.27 207 0.67 10 0.05 700 2.72 4.18 13.30 490.091 9.98 0.65 5.42 4.16 0.06 1.23 0.28 15.90 6.82 0.17 3.34 237 0.73 10 0.07 620 2.69 7.75 10.91 410.066 8.25 0.64 5.72 4.50 0.05 1.32 0.22 15.40 7.39 0.08 3.25 249 0.66 10 0.04 470 2.50 8.80 13.00 400.057 9.90 0.66 4.96 3.48 0.03 1.26 0.21 17.30 7.44 0.05 3.30 224 0.72 10 0.07 590 2.46 6.72 10.32 470.070 10.60 0.60 5.33 3.51 0.61 1.58 0.22 17.10 7.46 0.09 3.12 212 0.59 10 0.08 530 3.81 6.08 14.30 43 0.090 11.30 0.63 4.76 3.46 0.02 1.64 0.22 16.50 10.65 0.04 3.92 209 0.89 10 0.07 650 2.54 6.31 11.47 500.111 8.40 0.56 5.97 3.99 0.01 1.76 0.27 13.56 12.88 0.07 2.67 236 0.65 10 0.05 600 17.90 16.50 15.50 400.077 9.47 0.49 12.30 4.31 0.02 1.08 0.21 23.40 10.30 Trace Elements (as-determined)

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 31 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 12/25/2009Coal A/F Monthly-MOPP December 2009 MO 10F002300 MO Count 12 MO Average MO Max MO Min MO StdDev 

# River Rouge Power Plant 1/25/2009Coal A/F Monthly-RRPP January 2009 RR 09F010680 2/25/2009Coal A/F Monthly-RRPP February 2009 RR 09F015410 3/25/2009Coal A/F Monthly-RRPP March 2009 RR 09F022050 5/11/2009Coal A/F Monthly-RRPP April 2009 RR 09F029900 5/25/2009Coal A/F Monthly-RRPP May 2009 RR 09F033090 6/26/2009Coal A/F Monthly-RRPP June 2009 RR 09F040150 7/25/2009Coal A/F Monthly-RRPP July 2009 RR 09F048660 8/25/2009Coal A/F Monthly-RRPP August 2009 RR 09F052960 9/25/2009Coal A/F Monthly-RRPP September 2009 RR 09F059990 10/25/2009Coal A/F Monthly-RRPP October 2009 RR 09F066920 11/25/2009Coal A/F Monthly-RRPP November 2009 RR 09F073120 12/25/2009Coal A/F Monthly-RRPP December 2009 RR 10F002240 RR Count 12 RR Average RR Max RR Min RR StdDev 

# St Clair Power Plant - Units 1-4 1/25/2009Coal A/F Monthly-SCPP 1-4 100W January 2009 SC1-4 09F010690 1/26/2009Coal A/F Monthly-SCPP 1-4 85-15 January 2009 SC1-4 09F011820 2/25/2009Coal A/F Monthly-SCPP1-4 100W February 2009 SC1-4 09F015420 2/25/2009Coal A/F Monthly-SCPP1-4 70-30 February 2009 SC1-4 09F015430 3/25/2009Coal A/F Monthly-SCPP 1-4 March 2009 SC1-4 09F022060 5/11/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F029910 5/25/2009Coal A/F Monthly-SCPP 1-4 100W May 2009 SC1-4 09F033100 6/25/2009Coal A/F Monthly-SCPP 1-4 June 2009 SC1-4 09F040160 7/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 09F048670 7/25/2009Coal A/F Monthly-SCPP 2 85-15 SC1-4 09F048680 8/25/2009Coal A/F Monthly-SCPP 1-4 100W August 2009 SC1-4 09F052970 8/25/2009Coal A/F Monthly-SCPP 1-4 70-30 August 2009 SC1-4 09F052980 9/25/2009Coal A/F Monthly-SCPP 1-4 100 W September 2009 SC1-4 09F060000 9/25/2009Coal A/F Monthly-SCPP 2 97 PRB Wood September 2009 SC1-4 09F060010 10/25/2009Coal A/F Monthly-SCPP 1-4 100W October 2009 SC1-4 09F066930 10/25/2009Coal A/F Monthly-SCPP 1-4 70-30 October 2009 SC1-4 09F066940 11/25/2009Coal A/F Monthly-SCPP 1-4 100W November 2009 SC1-4 09F073130 12/25/2009Coal A/F Monthly-SCPP 1-4 100W SC1-4 10F002250 SC1-4 Count 18 SC1-4 Average SC1-4 Max SC1-4 Min SC1-4 StdDev 

# St Clair Power Plant Unit 6 ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

0.02 2.06 229 1.03 10 0.03 550 2.15 4.33 11.80 400.073 8.40 0.37 4.49 4.53 0.01 0.89 0.23 17.20 8.50 11 12 11 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 0.08 3.09 226 0.71 10 0.06 618 3.99 7.56 12.22 440.073 10.00 0.61 6.01 3.98 0.08 1.29 0.23 16.76 8.78 0.17 3.92 249 1.03 10 0.08 740 17.90 16.50 15.50 500.111 12.60 0.82 12.30 4.53 0.61 1.76 0.28 23.40 12.88 0.02 2.06 192 0.59 10 0.03 470 2.15 4.18 10.32 400.050 8.25 0.37 4.49 3.46 0.01 0.81 0.18 12.40 6.82 0.04 0.47 18 0.13 0.00 0.01 81.59 4.40 3.17 1.57 3.49 0.02 1.33 0.11 2.07 0.41 0.17 0.29 0.03 2.88 1.72

0.11 1.92 297 0.60 10 0.07 400 2.57 7.58 10.15 510.061 11.50 0.43 5.18 3.41 0.02 0.82 0.15 14.20 8.30 1.40 0.32 10 0.07 320 2.13 5.98 9.46 440.090 10.30 0.58 5.55 2.93 0.02 0.80 0.10 12.58 10.18 0.01 1.55 231 0.67 10 0.06 460 2.80 6.87 12.60 480.060 10.30 0.60 5.58 3.71 0.02 1.24 0.14 16.10 12.69 0.03 1.63 288 0.38 10 0.07 340 2.49 5.93 10.49 500.066 12.90 0.68 5.29 3.23 0.04 1.23 0.12 17.30 14.67 0.07 1.72 241 0.44 10 0.06 330 2.38 5.68 12.80 440.067 9.37 0.51 4.76 3.95 0.03 1.23 0.13 14.10 9.87 0.11 1.24 289 0.30 10 0.08 300 2.00 3.50 9.93 400.086 9.02 0.43 3.91 2.82 0.01 0.79 0.10 14.10 8.95 0.16 1.58 232 0.50 10 0.05 540 2.48 7.65 14.00 440.060 9.41 0.57 5.06 3.33 0.05 1.43 0.12 17.90 12.20 0.03 1.45 280 0.46 10 0.05 280 2.17 6.54 11.60 500.057 7.29 0.32 4.36 2.79 0.03 1.11 0.10 14.40 10.69 0.09 1.25 233 0.40 10 0.06 310 2.34 4.18 10.90 43 0.070 8.80 0.41 4.94 3.04 0.02 0.90 0.08 12.20 7.03 0.04 1.66 203 0.77 10 0.07 500 2.65 6.33 10.82 470.066 9.16 0.53 5.59 3.69 0.02 1.38 0.12 12.48 14.72 0.05 1.51 252 0.55 10 0.07 330 2.51 9.28 10.55 400.064 9.33 0.49 5.05 3.35 0.02 1.01 0.11 12.00 7.90 0.04 0.92 289 0.63 10 0.06 210 1.95 6.86 20.50 600.086 8.31 0.32 4.44 7.80 0.73 0.12 16.20 8.61 11 12 11 12 12 12 12 12 12 12 12 12 12 12 12 12 11 12 12 12 12 0.07 1.49 258 0.50 10 0.06 360 2.37 6.37 11.98 470.069 9.64 0.49 4.98 3.67 0.03 1.06 0.12 14.46 10.48 0.16 1.92 297 0.77 10 0.08 540 2.80 9.28 20.50 600.090 12.90 0.68 5.59 7.80 0.05 1.43 0.15 17.90 14.72 0.01 0.92 203 0.30 10 0.05 210 1.95 3.50 9.46 400.057 7.29 0.32 3.91 2.79 0.01 0.73 0.08 12.00 7.03 0.05 0.26 32 0.15 0.00 0.01 96.48 0.26 1.54 2.99 5.59 0.01 1.47 0.11 0.53 1.35 0.01 0.25 0.02 2.01 2.58

0.09 1.02 455 0.15 10 0.07 160 0.83 2.16 7.24 310.044 11.50 0.52 2.02 1.20 0.03 0.19 0.04 7.85 6.11 0.06 1.89 437 0.21 10 0.07 340 1.17 5.93 7.23 340.058 11.60 0.55 2.89 1.68 0.05 0.20 0.11 9.39 6.27 1.09 0.15 10 0.05 150 0.88 3.58 7.22 310.060 11.13 0.55 2.36 1.61 0.02 0.21 0.06 8.25 5.29 3.83 0.31 10 0.06 360 1.37 6.08 6.67 410.070 11.97 0.65 3.86 2.20 0.02 0.47 0.17 10.91 6.89 0.01 1.32 440 0.15 10 0.07 155 0.94 4.40 8.28 270.060 11.80 0.56 2.14 1.39 0.02 0.10 0.06 9.54 8.84 0.03 1.19 522 0.15 10 0.06 110 1.04 2.87 7.39 33 0.038 13.50 0.64 2.30 1.38 0.06 0.43 0.06 13.00 5.93 0.04 1.02 413 0.16 10 0.05 120 0.83 2.39 8.37 290.042 11.60 0.51 1.82 1.36 0.05 0.37 0.06 8.50 3.83 0.05 1.29 456 0.16 10 0.06 110 0.81 4.25 7.22 210.036 12.80 0.44 1.94 1.52 0.02 0.45 0.07 8.78 5.15 0.11 1.46 484 0.16 10 0.05 57 0.96 4.44 8.87 360.048 13.70 0.60 2.09 1.38 0.20 0.48 0.08 10.10 10.57 0.09 2.46 436 0.21 10 0.06 170 1.17 5.44 8.52 33 0.054 14.20 0.62 2.87 1.62 0.26 0.45 0.11 13.50 7.53 0.04 1.76 427 0.17 10 0.05 82 0.88 2.89 7.43 35 0.063 12.40 0.52 2.00 1.36 0.07 0.70 0.09 9.39 4.16 0.02 3.18 328 0.40 10 0.07 380 1.45 6.59 6.03 43 0.094 12.40 0.57 4.02 2.37 0.01 0.89 0.17 14.10 5.72 0.09 1.27 435 0.16 10 0.07 97 0.80 1.67 7.83 290.045 12.60 0.50 1.91 1.37 0.44 0.04 8.72 4.34 0.08 1.12 450 0.16 10 0.06 19 0.83 2.52 7.96 33 0.057 13.50 0.51 2.82 1.57 0.02 0.35 0.04 8.35 10.06 0.06 1.17 441 0.18 10 0.05 30 0.80 2.58 7.13 300.064 10.70 0.48 2.06 1.14 0.01 0.43 0.05 7.11 12.79 0.04 4.61 349 0.42 10 0.07 240 1.35 5.32 7.16 340.091 11.47 0.55 3.85 1.93 0.02 0.64 0.17 10.39 11.96 0.04 1.10 438 0.18 10 0.06 40 0.91 5.17 7.41 300.039 13.40 0.52 2.31 1.25 0.03 0.18 0.05 5.85 7.30 0.03 0.81 513 0.21 10 0.03 60 0.73 3.74 7.29 400.039 12.40 0.36 2.09 1.49 0.01 0.25 0.06 10.80 3.87 16 18 16 18 18 18 18 18 18 18 18 18 18 18 18 18 17 18 18 18 18 0.05 1.76 439 0.21 10 0.06 149 0.99 4.00 7.51 33 0.056 12.37 0.54 2.52 1.55 0.05 0.40 0.08 9.70 7.03 0.11 4.61 522 0.42 10 0.07 380 1.45 6.59 8.87 43 0.094 14.20 0.65 4.02 2.37 0.26 0.89 0.17 14.10 12.79 0.01 0.81 328 0.15 10 0.03 19 0.73 1.67 6.03 210.036 10.70 0.36 1.82 1.14 0.01 0.10 0.04 5.85 3.83 0.03 1.07 49 0.08 0.00 0.01 112.10 0.22 1.51 0.69 5.23 0.02 0.99 0.07 0.72 0.33 0.07 0.20 0.05 2.17 2.76

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 32 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 1/25/2009Coal A/F Monthly-SCPP 6 85-15 January 2009 SC6 09F010700 2/25/2009Coal A/F Monthly-SCPP6 85-15 February 2009 SC6 09F015440 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 09F029920 5/25/2009Coal A/F Monthly-SCPP 6 85-15 May 2009 SC6 09F033110 6/25/2009Coal A/F Monthly-SCPP 6 June 2009 SC6 09F040170 7/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 09F048690 8/25/2009Coal A/F Monthly-SCPP 6 85-15 August 2009 SC6 09F052990 9/25/2009Coal A/F Monthly-SCPP 6 85-15 September 2009 SC6 09F060020 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC6 09F066950 11/25/2009Coal A/F Monthly-SCPP 6 85-15 November 2009 SC6 09F073140 12/25/2009Coal A/F Monthly-SCPP 6 85-15 SC6 10F002260 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC6 10F002280 SC6 Count 12 SC6 Average SC6 Max SC6 Min SC6 StdDev 

# St Clair Power Plant Unit 7 1/25/2009Coal A/F Monthly-SCPP 7 85-15 January 2009 SC7 09F010710 2/25/2009Coal A/F Monthly-SCPP7 85-15 February 2009 SC7 09F015450 3/25/2009Coal A/F Monthly-SCPP 7 March 2009 SC7 09F022070 5/11/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 09F029920 5/25/2009Coal A/F Monthly-SCPP 7 85-15 May 2009 SC7 09F033120 6/25/2009Coal A/F Monthly-SCPP 7 June 2009 SC7 09F040180 7/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 09F048700 8/25/2009Coal A/F Monthly-SCPP 7 85-15 August 2009 SC7 09F053000 9/25/2009Coal A/F Monthly-SCPP 7 85-15 September 2009 SC7 09F060030 10/25/2009Coal A/F Monthly-SCPP 6,7 85-15 October 2009 SC7 09F066950 11/25/2009Coal A/F Monthly-SCPP 7 85-15 November 2009 SC7 09F073150 12/25/2009Coal A/F Monthly-SCPP 7 85-15 SC7 10F002270 12/25/2009Coal A/F Monthly-SCPP 6,7 85-15 SC7 10F002280 SC7 Count 13 SC7 Average SC7 Max SC7 Min SC7 StdDev 

# Trenton Channel Power Plant 1/25/2009Coal A/F Monthly-TCPP January 2009 TC 09F010720 2/25/2009Coal A/F Monthly-TCPP February 2009 TC 09F015460 3/25/2009Coal A/F Monthly-TCPP March 2009 TC 09F022080 5/11/2009Coal A/F Monthly-TCPP April 2009 TC 09F029930 5/25/2009Coal A/F Monthly-TCPP May 2009 TC 09F033130 6/25/2009Coal A/F Monthly-TCPP June 2009 TC 09F040190 7/25/2009Coal A/F Monthly-TCPP July 2009 TC 09F048710 8/25/2009Coal A/F Monthly-TCPP August 2009 TC 09F053010 9/25/2009Coal A/F Monthly-TCPP September 2009 TC 09F060040 10/25/2009Coal A/F Monthly-TCPP October 2009 TC 09F066970 11/25/2009Coal A/F Monthly-TCPP November 2009 TC 09F073160 12/25/2009Coal A/F Monthly-TCPP December 2009 TC 10F002290 ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

0.06 1.93 411 0.20 10 0.05 250 1.22 4.94 7.67 33 0.071 11.40 0.58 3.21 1.69 0.02 0.34 0.10 9.78 7.56 2.02 0.22 10 0.06 240 1.20 5.22 7.31 33 0.070 11.83 0.56 3.28 1.89 0.02 0.44 0.13 9.77 6.25 0.06 2.15 425 0.26 10 0.08 220 1.28 4.76 8.46 360.034 13.10 0.62 6.11 1.75 0.07 0.52 0.10 15.10 0.12 2.34 324 0.26 10 0.06 320 1.23 4.52 7.76 410.056 12.00 0.54 3.31 2.70 0.05 0.41 0.14 11.40 5.07 0.09 2.03 389 0.25 10 0.05 97 1.05 4.19 7.55 22 0.057 11.80 0.52 2.68 1.80 0.02 0.55 0.12 11.30 5.49 0.08 2.19 425 0.24 10 0.06 180 1.14 5.89 8.05 410.053 13.90 0.57 2.81 1.45 0.03 0.53 0.10 12.10 6.58 0.01 2.38 367 0.25 10 0.05 230 1.17 4.55 6.41 400.080 12.10 0.44 3.07 1.60 0.01 0.82 0.13 12.00 5.27 0.09 2.33 341 0.28 10 0.06 240 1.72 4.45 6.64 370.090 12.80 0.53 3.15 1.66 0.04 0.45 0.12 11.80 5.94 0.04 3.05 391 0.32 10 0.06 190 1.14 4.25 7.07 300.073 11.43 0.53 3.24 1.63 0.02 0.51 0.13 9.06 13.01 0.07 1.71 437 0.25 10 0.05 190 13.80 6.66 300.052 13.50 0.43 3.11 2.29 0.02 0.44 0.13 14.20 5.53 0.03 1.33 465 0.33 10 0.05 180 0.89 2.53 16.90 400.062 11.80 0.34 3.23 3.96 0.12 0.32 0.12 12.00 7.64 0.03 1.44 430 0.40 10 0.04 200 0.95 3.36 6.68 400.056 11.56 0.39 2.67 2.05 0.03 0.33 0.13 11.60 6.71 11 12 11 12 12 12 12 11 12 12 12 12 12 12 12 12 12 12 12 12 11 0.06 2.07 400 0.27 10 0.06 211 1.18 5.21 8.10 35 0.063 12.27 0.50 3.32 2.04 0.04 0.47 0.12 11.68 6.82 0.12 3.05 465 0.40 10 0.08 320 1.72 13.80 16.90 410.090 13.90 0.62 6.11 3.96 0.12 0.82 0.14 15.10 13.01 0.01 1.33 324 0.20 10 0.04 97 0.89 2.53 6.41 22 0.034 11.40 0.34 2.67 1.45 0.01 0.32 0.10 9.06 5.07 0.03 0.46 43 0.06 0.00 0.01 53.47 0.22 2.84 2.84 5.86 0.01 0.84 0.08 0.91 0.70 0.03 0.14 0.01 1.73 2.23

0.05 2.16 427 0.27 10 0.07 270 1.23 4.73 7.44 35 0.074 12.10 0.62 3.15 2.01 0.05 0.38 0.13 10.80 8.15 2.06 0.24 10 0.06 230 1.17 5.09 6.89 340.050 11.74 0.55 3.09 1.83 0.02 0.29 0.11 9.60 6.37 0.08 2.36 395 0.19 10 0.07 250 1.20 4.32 6.60 33 0.050 12.20 0.63 2.86 1.73 0.03 0.42 0.10 11.20 7.15 0.06 2.15 425 0.26 10 0.08 220 1.28 4.76 8.46 360.034 13.10 0.62 6.11 1.75 0.07 0.52 0.10 15.10 0.08 2.09 364 0.24 10 0.05 220 1.15 3.48 7.11 35 0.053 12.50 0.57 2.83 1.68 0.05 0.41 0.12 11.40 4.48 0.12 2.53 374 0.19 10 0.05 250 1.03 3.57 6.80 260.064 13.30 0.49 2.73 1.69 0.02 0.52 0.13 10.70 5.04 0.07 2.29 419 0.25 10 0.11 200 1.21 3.93 8.52 33 0.060 13.60 0.61 3.07 1.55 0.03 0.57 0.11 13.10 5.95 0.09 2.18 392 0.23 10 0.04 170 1.00 3.42 7.01 370.063 12.80 0.59 2.56 1.48 0.03 0.38 0.10 10.10 4.52 0.10 2.31 350 0.29 10 0.06 200 1.42 3.14 7.11 400.076 12.70 0.49 3.17 1.70 0.08 0.56 0.11 11.90 5.92 0.04 3.05 391 0.32 10 0.06 190 1.14 4.25 7.07 300.073 11.43 0.53 3.24 1.63 0.02 0.51 0.13 9.06 13.01 0.09 2.36 434 0.25 10 0.05 200 12.20 11.10 300.050 13.80 0.47 3.58 2.10 0.04 0.47 0.13 16.30 9.22 0.02 1.44 424 0.34 10 0.03 200 0.98 4.91 8.42 300.083 12.60 0.64 2.73 2.14 0.33 0.12 11.60 4.35 0.03 1.44 430 0.40 10 0.04 200 0.95 3.36 6.68 400.056 11.56 0.39 2.67 2.05 0.03 0.33 0.13 11.60 6.71 12 13 12 13 13 13 13 12 13 13 13 13 13 13 13 13 12 13 13 13 12 0.07 2.19 402 0.27 10 0.06 215 1.15 4.70 7.63 340.060 12.57 0.55 3.21 1.80 0.04 0.44 0.12 11.73 6.74 0.12 3.05 434 0.40 10 0.11 270 1.42 12.20 11.10 400.083 13.80 0.64 6.11 2.14 0.08 0.57 0.13 16.30 13.01 0.02 1.44 350 0.19 10 0.03 170 0.95 3.14 6.60 260.034 11.43 0.39 2.56 1.48 0.02 0.29 0.10 9.06 4.35 0.03 0.42 29 0.06 0.00 0.02 28.17 0.14 2.35 1.25 4.09 0.01 0.75 0.08 0.91 0.21 0.02 0.09 0.01 2.06 2.48

0.05 4.28 240 0.73 10 0.05 680 2.81 7.96 11.07 440.075 9.45 0.58 5.79 3.77 0.03 1.02 0.23 15.30 9.04 3.92 0.67 10 0.06 580 2.73 6.64 10.75 43 0.070 8.78 0.49 5.47 3.86 0.02 1.05 0.21 12.89 8.60 0.16 5.13 226 0.83 10 0.07 660 3.20 8.44 14.00 460.080 11.30 0.66 6.39 4.73 0.03 1.46 0.27 18.30 10.08 0.18 4.31 282 0.55 10 0.06 540 2.78 6.18 10.22 42 0.052 10.30 0.54 5.38 3.36 0.05 1.17 0.20 18.80 9.14 0.06 4.00 238 0.60 10 0.05 490 2.39 4.61 13.00 400.058 8.28 0.48 4.87 4.22 0.45 0.90 0.20 14.80 6.26 0.22 4.63 224 0.65 10 0.05 650 2.86 7.72 11.10 440.075 7.11 0.63 5.72 9.28 1.31 0.26 16.60 7.84 0.09 3.44 226 0.62 10 0.06 560 2.65 9.17 12.90 440.079 9.27 0.60 5.12 3.84 0.03 1.55 0.24 19.00 7.69 0.06 5.36 231 0.79 10 0.05 700 2.70 6.93 10.55 470.068 9.71 0.64 5.58 4.05 0.02 1.68 0.25 17.50 7.21 0.07 3.39 207 0.63 10 0.07 480 3.46 6.38 14.20 42 0.084 10.90 0.67 4.99 4.04 0.55 1.46 0.23 17.00 8.61 0.05 4.91 222 0.84 10 0.09 420 2.34 5.35 10.69 440.090 8.01 0.46 5.36 3.28 0.04 1.35 0.19 11.56 13.69 0.09 4.85 255 0.78 10 0.04 460 17.00 14.40 500.063 11.60 0.40 13.60 4.11 0.03 1.07 0.2423.10 10.40 0.03 3.02 251 1.14 10 0.03 550 2.21 3.12 11.70 400.072 8.24 0.29 4.40 3.99 0.01 0.77 0.23 15.70 5.81

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 33 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid TC Count 12 TC Average TC Max TC Min TC StdDev Grand Count 102 Grand Average Grand Max Grand Min Grand StdDev



## Mines: 1/3/2009Coal As-Shipped Fuel Supply Antelope 40778 Antelope 09F006840 1/3/2009Coal As-Shipped Fuel Supply Antelope 40774 Antelope 09F006850 1/23/2009Coal As-Shipped Fuel Supply Antelope 40885 Antelope 09F016510 1/24/2009Coal As-Shipped Fuel Supply Antelope 40887 Antelope 09F016520 3/22/2009Coal As-Shipped Fuel Supply Antelope 41206 Antelope 09F029540 3/23/2009Coal As-Shipped Fuel Supply Antelope 41207 Antelope 09F029550 3/25/2009Coal As-Shipped Fuel Supply Antelope 41209 Antelope 09F029560 5/25/2009Coal As-Shipped Fuel Supply Antelope 41551 Antelope 09F048370 5/26/2009Coal As-Shipped Fuel Supply Antelope 41552 Antelope 09F048380 5/26/2009Coal As-Shipped Fuel Supply Antelope 41553 Antelope 09F048390 8/8/2009Coal As-Shipped Fuel Supply Antelope 41931 Antelope 09F074180 8/10/2009Coal As-Shipped Fuel Supply Antelope Composite Antelope 09F061640 9/27/2009Coal As-Shipped Fuel Supply Antelope 42194 Antelope 09F074190 9/27/2009Coal As-Shipped Fuel Supply Antelope 42195 Antelope 09F074200 Antelope Count 14 Antelope Average Antelope Max Antelope Min Antelope StdDev 12/22/2008Coal As-Shipped Fuel Supply Bailey D401 Bailey 09F006820 1/1/2009Coal As-Shipped Fuel Supply Bailey Enlow Fork Bailey 09F001640 2/26/2009Coal As-Shipped Fuel Supply Bailey D427 Bailey 09F022570 3/23/2009Coal As-Shipped Fuel Supply Bailey D463 Bailey 09F028170 4/12/2009Coal As-Shipped Fuel Supply Bailey D469 Bailey 09F031680 5/19/2009Coal As-Shipped Fuel Supply Bailey D502 Bailey 09F048550 6/22/2009Coal As-Shipped Fuel Supply Bailey D527 Bailey 09F048560 9/23/2009Coal As-Shipped Fuel Supply Bailey D595 Bailey 09F067310 10/10/2009Coal As-Shipped Fuel Supply Bailey D-607 Bailey 09F072980 Bailey Count 9 Bailey Average Bailey Max Bailey Min Bailey StdDev 12/18/2009Coal As-Shipped Fuel Supply Berkley D649 Berkley 09F009840 Berkley Count 1 ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

11 12 11 12 12 12 12 11 12 12 12 12 12 12 12 12 11 12 12 12 12 0.10 4.27 237 0.74 10 0.06 564 2.74 7.46 12.05 440.072 9.41 0.54 6.06 4.38 0.11 1.23 0.23 16.71 8.70 0.22 5.36 282 1.14 10 0.09 700 3.46 17.00 14.40 500.090 11.60 0.67 13.60 9.28 0.55 1.68 0.27 23.10 13.69 0.03 3.02 207 0.55 10 0.03 420 2.21 3.12 10.22 400.052 7.11 0.29 4.40 3.28 0.01 0.77 0.19 11.56 5.81 0.06 0.74 20 0.16 0.00 0.01 92.29 0.36 3.44 1.56 2.86 0.01 1.41 0.12 2.43 1.59 0.19 0.28 0.03 3.04 2.10 91 100 92 100 102 100 102 97 100 100 102 100 100 100 100 100 95 100 100 100 98 0.08 2.44 330 0.49 10 0.06 392 2.27 5.94 10.10 400.063 11.32 0.56 4.59 3.03 0.06 0.89 0.15 13.76 8.22 0.41 5.36 542 1.54 100.107 2000 17.9 17 22.6 680.111 15.7 1.02 19.9 9.28 0.61 2.79 0.3 27.5 23.4 0.0050.7929 80 0.12 100.0314 19 0.67 1.42 6.03 200.033 7.110.2881 1.82 1.12 0.01 0.1 0.04 5.85 3.44 0.05 1.19 118 0.36 0.00 0.01 349.01 2.46 3.25 3.38 9.30 0.02 1.75 0.12 3.02 1.83 0.10 0.65 0.08 4.77 3.11

0.91 386 0.15 10 0.05 150 1.28 4.29 7.87 35 0.072 8.74 0.32 3.06 2.21 0.01 0.43 0.08 8.38 8.07 0.79 407 0.19 10 0.06 150 1.41 5.96 8.13 410.045 6.52 0.36 3.63 2.45 0.02 0.02 0.07 10.70 8.68 0.41 0.15 10 0.08 26 2.00 4.04 8.37 42 0.060 6.54 0.28 3.52 1.67 0.01 0.15 0.03 9.50 15.19 0.39 0.14 10 0.05 58 1.92 4.09 7.95 440.060 3.04 0.28 3.59 2.04 0.01 0.27 0.04 10.24 9.58 0.18 0.77 452 0.24 10 0.15 56 3.36 4.78 8.02 33 0.029 6.97 0.53 6.04 2.34 0.04 0.26 0.04 11.90 17.59 0.08 0.88 497 0.30 10 0.14 69 4.35 4.30 7.66 370.026 6.09 0.61 7.40 2.88 0.02 0.60 0.06 12.30 28.01 0.13 0.73 444 0.23 10 0.11 56 3.11 5.40 7.96 32 0.063 8.27 0.47 5.55 2.25 0.04 0.40 0.04 12.40 14.98 0.12 0.96 409 0.29 10 0.09 40 2.91 1.99 8.66 390.068 10.71 0.30 5.34 3.26 0.30 0.07 8.95 15.14 0.09 0.81 419 0.26 10 0.07 79 2.70 3.61 8.82 410.066 11.22 0.25 5.10 3.45 0.01 0.18 0.09 9.59 15.57 0.08 0.87 443 0.36 10 0.12 31 3.03 3.33 8.12 390.043 4.29 0.29 5.66 2.95 0.02 0.23 0.05 6.48 19.99 0.04 0.48 287 0.14 10 0.04 20 1.39 5.48 8.60 300.065 7.65 0.23 2.87 1.32 0.02 0.23 0.04 9.78 4.72 0.10 0.72 317 0.16 10 0.04 24 1.62 4.38 7.00 340.115 4.88 0.25 2.70 1.69 0.01 0.60 0.17 8.49 7.36 0.04 0.43 302 0.13 10 0.06 20 1.40 7.22 8.56 400.058 7.58 0.25 2.93 1.50 0.02 0.30 0.04 9.59 4.55 0.08 0.44 346 0.18 10 0.05 30 1.53 8.14 8.72 400.055 8.60 0.26 3.41 1.73 0.05 0.26 0.04 11.60 4.77 10 14 12 14 14 14 14 14 14 14 14 14 14 14 14 14 13 14 14 14 14 0.09 0.68 392 0.21 10 0.08 58 2.29 4.79 8.17 380.059 7.22 0.33 4.34 2.27 0.02 0.30 0.06 9.99 12.44 0.18 0.96 497 0.36 10 0.15 150 4.35 8.14 8.82 440.115 11.22 0.61 7.40 3.45 0.05 0.60 0.17 12.40 28.01 0.04 0.39 287 0.13 10 0.04 20 1.28 1.99 7.00 300.026 3.04 0.23 2.70 1.32 0.01 0.02 0.03 6.48 4.55 0.04 0.21 66 0.07 0.00 0.04 43.33 0.95 1.58 0.49 4.20 0.02 2.28 0.12 1.47 0.67 0.01 0.16 0.04 1.68 6.82 0.07 5.66 36 0.73 10 0.06 1,200 2.80 12.90 4.74 590.114 11.60 0.68 8.67 3.94 0.03 1.00 0.40 26.00 8.78 0.10 5.76 42 0.68 10 0.06 1,140 2.79 12.10 4.97 640.132 12.90 0.73 7.81 3.86 0.03 1.07 0.4425.00 10.14 0.01 8.37 33 0.80 10 0.08 1,200 2.75 11.70 5.02 560.130 10.70 0.75 7.95 4.04 0.03 0.94 0.47 22.00 7.68 0.01 4.38 36 0.61 10 0.08 830 2.80 10.70 5.17 610.074 10.40 0.74 8.24 3.25 0.06 1.12 0.33 19.10 9.09

0.07 6.35 47 0.65 10 0.06 970 2.67 13.20 7.37 640.112 12.90 0.69 11.30 3.64 0.04 1.09 0.46 23.40 11.30 0.06 8.39 35 0.67 10 0.06 1,060 2.88 14.40 7.35 610.110 13.10 0.76 8.16 4.00 0.18 1.02 0.40 25.50 15.30 0.03 7.20 19 0.88 10 0.07 1,100 2.67 11.14 5.78 1200.128 10.85 0.69 8.11 3.85 0.04 1.09 0.44 17.29 9.16 10 1,000 60 7 7 7 7 8 7 8 7 7 7 8 7 7 7 7 7 7 7 7 7 7 0.05 6.59 35 0.72 10 0.07 1,063 2.77 12.31 5.77 680.114 11.78 0.72 8.61 3.80 0.06 1.05 0.42 22.61 10.21 0.10 8.39 47 0.88 10 0.08 1,200 2.88 14.40 7.37 1200.132 13.10 0.76 11.30 4.04 0.18 1.12 0.47 26.00 15.30 0.01 4.38 19 0.61 10 0.06 830 2.67 10.70 4.74 560.074 10.40 0.68 7.81 3.25 0.03 0.94 0.33 17.29 7.68 0.04 1.49 9 0.09 0.00 0.01 126.35 0.08 1.28 1.13 21.12 0.02 1.17 0.03 1.22 0.27 0.05 0.06 0.05 3.35 2.51 0.24 7.16 198 1.51 10 0.05 1,200 5.93 12.40 16.05 810.067 33.80 0.62 9.87 6.26 0.02 3.03 0.32 18.10 13.66 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 34 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Berkley Average Berkley Max Berkley Min Berkley StdDev 9/25/2009Coal As-Shipped Fuel Supply Birch Run D591 BirchRun 09F057020 BirchRun Count 1 BirchRun Average BirchRun Max BirchRun Min BirchRun StdDev 1/30/2009Coal As-Shipped Fuel Supply BlackThunder 5 Gallons BlackTHunder 09F010300 3/22/2009Coal As-Shipped Fuel Supply Black Thunder 910386 BlackTHunder 09F029590 3/27/2009Coal As-Shipped Fuel Supply Black Thunder N091041 BlackTHunder 09F029570 3/28/2009Coal As-Shipped Fuel Supply Black Thunder 91047 BlackTHunder 09F029580 4/24/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM060 BlackTHunder 09F032810 4/27/2009Coal As-Shipped Fuel Supply Black Thunder BTMCNM062 BlackTHunder 09F032820 4/27/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM025 BlackTHunder 09F032830 5/26/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM072 BlackTHunder 09F049360 5/27/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM073 BlackTHunder 09F049370 6/30/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM080 BlackTHunder 09F048440 9/29/2009Coal As-Shipped Fuel Supply Black Thunder CBTMPCT023 BlackTHunder 09F067360 9/30/2009Coal As-Shipped Fuel Supply Black Thunder CWTMCNM038 BlackTHunder 09F067370 10/10/2009Coal As-Shipped Fuel Supply Black Thunder CNTMCNM041 BlackTHunder 09F074150 10/15/2009Coal As-Shipped Fuel Supply Black Thunder CBTMCNM114 BlackTHunder 09F074160 10/17/2009Coal As-Shipped Fuel Supply Black Thunder CBTMSUD067 BlackTHunder 09F074170 BlackTHunder Count 15 BlackTHunder Average BlackTHunder Max BlackTHunder Min BlackTHunder StdDev 12/30/2008Coal As-Shipped Fuel Supply Decker CDKSUD209 Decker 09F006860 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD210 Decker 09F009850 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD004 Decker 09F009860 1/1/2009Coal As-Shipped Fuel Supply Decker CDKSUD005 Decker 09F009870 1/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD012 Decker 09F013990 1/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD013 Decker 09F014000 2/12/2009Coal As-Shipped Fuel Supply Decker CDKMSUD022 Decker 09F016530 2/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD023 Decker 09F016540 3/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD034 Decker 09F026170 3/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD035 Decker 09F026180 3/3/2009Coal As-Shipped Fuel Supply Decker CDKMSUD036 Decker 09F026190 5/4/2009Coal As-Shipped Fuel Supply Decker CDKMSUD052 Decker 09F033310 5/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD057 Decker 09F033320 5/13/2009Coal As-Shipped Fuel Supply Decker CDKMSUD058 Decker 09F033330 7/9/2009Coal As-Shipped Fuel Supply Decker CDKMSUD070 Decker 09F048510 7/10/2009Coal As-Shipped Fuel Supply Decker CDKMSUD071 Decker 09F048520 7/11/2009Coal As-Shipped Fuel Supply Decker CDKMSUD072 Decker 09F048530 7/20/2009Coal As-Shipped Fuel Supply Decker CDKMSUD086 Decker 09F051030 7/21/2009Coal As-Shipped Fuel Supply Decker CDKMSUD087 Decker 09F051040 7/28/2009Coal As-Shipped Fuel Supply Decker CDKMSUD080 Decker 09F049780 ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

0.24 7.16 198 1.51 10 0.05 1,200 5.93 12.40 16.05 810.067 33.80 0.62 9.87 6.26 0.02 3.03 0.32 18.10 13.66 0.24 7.16 198 1.51 10 0.05 1,200 5.93 12.40 16.05 810.067 33.80 0.62 9.87 6.26 0.02 3.03 0.32 18.10 13.66 0.24 7.16 198 1.51 10 0.05 1,200 5.93 12.40 16.05 810.067 33.80 0.62 9.87 6.26 0.02 3.03 0.32 18.10 13.66

0.08 8.49 39 0.68 10 0.04 1,100 3.33 12.00 16.40 32 0.177 11.20 0.61 7.97 5.20 0.01 3.11 0.44 17.70 4.38 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.08 8.49 39 0.68 10 0.04 1,100 3.33 12.00 16.40 32 0.177 11.20 0.61 7.97 5.20 0.01 3.11 0.44 17.70 4.38 0.08 8.49 39 0.68 10 0.04 1,100 3.33 12.00 16.40 32 0.177 11.20 0.61 7.97 5.20 0.01 3.11 0.44 17.70 4.38 0.08 8.49 39 0.68 10 0.04 1,100 3.33 12.00 16.40 32 0.177 11.20 0.61 7.97 5.20 0.01 3.11 0.44 17.70 4.38

0.02 0.72 301 0.29 10 0.03 110 1.06 2.96 6.01 340.046 9.47 0.25 2.34 1.62 0.02 0.71 0.04 8.95 2.96 0.05 0.71 324 0.17 10 0.12 23 1.14 5.94 8.43 470.054 10.60 0.45 3.30 1.59 0.01 0.25 0.04 16.40 10.70 0.07 0.56 296 0.10 10 0.05 92 1.16 4.68 8.55 45 0.031 12.20 0.33 2.64 1.75 0.01 0.14 0.04 16.50 6.03 0.16 0.63 309 0.17 10 0.06 120 1.28 5.06 8.58 440.029 11.70 0.43 3.03 1.80 0.01 0.24 0.04 14.50 10.89 0.28 0.59 287 0.11 10 0.13 100 1.44 0.69 8.91 42 0.047 11.70 0.39 4.17 1.70 0.05 1.21 0.04 12.80 11.06 0.21 0.72 274 0.13 10 0.04 73 1.56 2.38 8.00 42 0.060 10.10 0.42 5.85 1.56 0.05 0.40 0.06 11.80 5.68 0.20 0.47 324 0.24 10 0.06 58 1.27 1.36 9.85 360.050 15.00 0.30 3.81 1.63 0.07 0.95 0.04 12.30 7.69 0.06 0.69 253 0.19 10 0.09 59 1.56 6.56 10.10 55 0.045 14.10 0.31 3.41 1.60 0.03 0.42 0.05 11.40 12.20 0.11 0.86 283 0.21 10 0.10 49 1.43 6.23 12.10 960.069 13.20 0.36 3.92 1.76 0.02 0.63 0.07 11.00 9.59 0.07 0.95 304 0.19 10 0.05 34 1.54 2.72 8.79 470.084 11.73 0.16 3.56 1.90 0.03 0.35 0.07 10.10 8.82 13 32 41 13 30 35 0.05 1.19 221 0.14 10 0.06 30 1.23 5.28 9.96 400.070 9.98 0.46 4.28 1.65 0.01 0.66 0.04 8.63 9.76 0.06 1.06 266 0.17 10 0.06 30 1.51 6.26 8.31 400.107 11.40 0.28 4.04 1.79 0.01 0.53 0.10 11.00 8.95 0.04 1.46 246 0.17 10 0.07 20 1.49 6.27 9.21 500.120 10.50 0.32 3.64 2.25 0.01 0.66 0.12 11.30 8.62 13 13 13 13 15 13 15 13 13 13 15 13 13 13 13 13 13 13 13 13 13 0.11 0.82 284 0.18 10 0.07 57 1.36 4.34 8.98 460.062 11.67 0.34 3.69 1.74 0.02 0.55 0.06 12.05 8.69 0.28 1.46 324 0.29 13 0.13 120 1.56 6.56 12.10 960.120 15.00 0.46 5.85 2.25 0.07 1.21 0.12 16.50 12.20 0.02 0.47 221 0.10 10 0.03 20 1.06 0.69 6.01 340.029 9.47 0.16 2.34 1.56 0.01 0.14 0.04 8.63 2.96 0.08 0.28 31 0.05 0.88 0.03 33.85 0.18 2.05 1.40 14.87 0.03 1.64 0.09 0.87 0.18 0.02 0.30 0.03 2.48 2.56 0.52 1.16 478 0.21 10 0.06 120 0.82 4.36 7.14 280.043 11.40 0.63 2.25 1.34 0.03 0.29 0.04 7.44 4.74 0.07 0.88 608 0.15 10 0.05 130 0.81 3.34 6.50 380.031 11.80 0.61 2.13 1.34 0.03 0.35 0.05 7.30 7.58 0.04 0.49 570 0.10 10 0.04 130 0.62 3.87 6.46 310.023 9.90 0.42 1.65 0.97 0.03 0.30 0.03 6.52 3.22 0.06 0.65 694 0.10 10 0.05 120 0.62 1.98 6.69 33 0.034 10.60 0.39 1.58 1.20 0.01 0.55 0.04 8.06 4.19 0.06 1.25 497 0.24 10 0.05 200 0.86 2.81 7.15 360.041 7.96 0.48 2.08 1.74 0.03 0.16 0.17 9.33 7.31 0.04 1.31 527 0.24 10 0.06 140 0.97 3.26 8.01 390.041 6.85 0.44 2.36 1.38 0.05 0.19 0.17 9.64 10.39 0.60 0.87 0.19 10 0.07 29 0.91 3.49 7.41 400.020 8.24 0.36 1.93 1.37 0.03 0.18 0.11 9.06 7.38 0.71 0.80 0.20 10 0.07 45 0.94 3.80 6.81 400.030 8.27 0.35 1.95 1.36 0.02 0.18 0.11 9.29 5.37 0.04 0.27 487 0.13 10 0.06 110 0.50 2.46 5.97 41<0.02 5.73 0.27 1.50 1.08 0.03 0.28 0.02 5.07 7.00 0.25 0.44 0.17 10 0.05 65 0.68 4.46 11.51 92 0.024 5.23 0.34 1.69 1.18 0.02 0.41 0.04 7.01 4.09 0.30 0.57 0.21 10 0.09 92 0.68 3.53 7.68 580.030 5.06 0.32 1.67 1.16 0.01 0.43 0.07 7.16 5.45 0.12 0.69 671 0.33 10 0.07 57 0.83 0.30 7.37 31<0.02 8.52 0.30 3.57 1.41 0.05 0.85 0.06 11.80 7.76 0.15 0.90 662 0.49 10 0.10 37 0.95 0.74 7.84 37<0.02 9.74 0.32 5.69 1.41 0.03 1.24 0.07 12.00 5.99 0.17 0.77 701 0.28 10 0.10 51 0.84 1.78 7.44 32<0.02 6.17 0.35 5.00 1.34 0.03 1.15 0.08 11.20 8.23 0.11 3.83 547 0.40 10 0.07 85 0.99 3.50 8.35 440.047 12.72 0.18 2.59 1.71 0.17 0.55 0.29 9.88 5.61 0.10 1.19 535 0.21 10 0.06 92 0.84 4.60 9.07 340.042 10.50 0.52 13.40 0.89 0.02 0.51 0.10 9.86 6.21 0.11 2.22 483 0.30 10 0.08 87 1.03 7.09 11.50 32 0.063 9.26 0.67 2.54 1.23 0.02 0.54 0.16 12.70 4.60

0.04 1.10 449 0.16 10 0.07 28 0.72 1.42 6.86 280.037 6.67 0.89 2.34 8.05 0.44 0.39 0.05 7.60 6.88

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 35 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 9/6/2009Coal As-Shipped Fuel Supply Decker Split for Progression Decker 09F058400 9/7/2009Coal As-Shipped Fuel Supply Decker CDKMSUD089 Decker 09F053120 11/1/2009Coal As-Shipped Fuel Supply Decker CDKMSUD120 Decker 09F073550 11/2/2009Coal As-Shipped Fuel Supply Decker CDKMSUD121 Decker 09F073560 40120.00Coal As-Shipped Fuel Supply Decker CDKMSUD122 Decker 09F073570 Decker Count 25 Decker Average Decker Max Decker Min Decker StdDev 8/24/2009Coal As-Shipped Fuel Supply Fork Creek D569 ForkCreek 09F067340 ForkCreek Count 1 ForkCreek Average ForkCreek Max ForkCreek Min ForkCreek StdDev 1/25/2009Coal As-Shipped Fuel Supply Goals D415 Goals 09F014220 3/22/2009Coal As-Shipped Fuel Supply Goals D-459 Goals 09F028920 5/17/2009Coal As-Shipped Fuel Supply Goals Goals 09F035020 6/19/2009Coal As-Shipped Fuel Supply Goals D519 Goals 09F046990 9/15/2009Coal As-Shipped Fuel Spply Goals D587 Goals 09F066830 Goals Count 5 Goals Average Goals Max Goals Min Goals StdDev 1/27/2009Coal As-Shipped Fuel Supply Independence D419 Independence 09F016280 Independence Count 1 Independence Average Independence Max Independence Min Independence StdDev 4/30/2009Coal As-Shipped Fuel Supply Jacob's Ranch 5 Gal JacobsRanch 09F028550 6/29/2009Coal As-Shipped Fuel Supply Jacob's Ranch JRMCNM034 JacobsRanch 09F048420 JacobRanch Count 2 JacobRanch Average JacobRanch Max JacobRanch Min JacobRanch StdDev 12/21/2008Coal As-Shipped Fuel Supply ICG Knott D648 Knott 09F006780 1/30/2009Coal As-Shipped Fuel Supply ICG Knott D413 Knott 09F014040 2/25/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F022520 3/26/2009Coal As-Shipped Fuel Supply ICG Knott D465 Knott 09F027380 4/24/2009Coal As-Shipped Fuel Supply ICG Knott D-489 Knott 09F031970 5/14/2009Coal As-Shipped Fuel Supply ICG Knott Knott 09F035010 6/30/2009Coal As-Shipped Fuel Supply ICG Knott D529 Knott 09F047020 9/26/2009Coal As-Shipped Fuel Supply ICG Knott D590 Knott 09F066810 10/12/2009Coal As-Shipped Fuel Supply ICG Knott County D-605 Knott 09F072970 Knott Count 9 Knott Average ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

0.05 0.83 437 0.13 10 0.05 24 0.77 2.38 7.69 860.023 8.12 0.78 1.90 0.72 0.06 0.38 0.04 7.56 3.25 0.24 1.09 441 0.20 10 0.07 43 0.80 1.84 6.92 310.048 5.94 1.00 1.95 1.37 0.05 0.48 0.04 7.52 4.78 0.03 0.55 472 0.13 10 0.06 40 0.78 7.50 8.43 400.026 11.40 0.74 1.82 1.29 0.12 0.15 0.03 5.59 4.33 0.06 0.39 558 0.21 10 0.09 30 0.93 6.68 8.71 400.012 7.46 0.35 2.31 1.39 0.02 0.17 0.03 7.59 6.73 0.06 1.35 486 0.18 10 0.07 20 0.94 4.35 8.65 400.040 7.93 0.77 2.50 1.33 0.03 0.33 0.06 7.67 6.95 23 23 19 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 0.17 1.03 542 0.22 10 0.07 77 0.82 3.46 7.83 410.034 8.50 0.50 2.89 1.58 0.06 0.44 0.08 8.56 6.00 0.71 3.83 701 0.49 10 0.10 200 1.03 7.50 11.51 92 0.063 12.72 1.00 13.40 8.05 0.44 1.24 0.29 12.70 10.39 0.03 0.27 437 0.10 10 0.04 20 0.50 0.30 5.97 280.012 5.06 0.18 1.50 0.72 0.01 0.15 0.02 5.07 3.22 0.19 0.74 87 0.09 0.00 0.02 47.41 0.13 1.86 1.40 16.37 0.01 2.22 0.22 2.51 1.43 0.09 0.29 0.06 2.02 1.75 13 1,600 58 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 13 1,600 13 1,600 13 1,600

5.80 85 1.25 10 0.06 830 4.94 14.70 17.90 610.090 6.03 0.71 9.58 8.27 0.01 2.69 0.36 24.20 10.66 0.05 1.18 233 0.52 10 0.08 920 2.74 9.74 16.34 640.058 5.51 0.77 5.73 6.28 0.02 2.82 0.16 15.3034.17 0.12 6.07 89 1.19 10 0.05 880 4.79 10.90 16.50 52 0.091 7.72 0.80 9.18 7.83 0.15 2.26 0.39 21.90 10.35 0.11 8.03 104 1.25 10 0.05 920 4.77 9.70 11.58 580.085 8.47 0.97 9.69 6.18 0.04 2.35 0.45 23.00 9.58 0.06 4.15 57 2.00 13 0.05 2,100 4.41 8.89 14.30 410.067 11.68 0.57 9.22 6.60 0.03 2.32 0.29 16.53 12.65 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.09 5.05 114 1.24 11 0.06 1,130 4.33 10.79 15.32 55 0.078 7.88 0.76 8.68 7.03 0.05 2.49 0.33 20.19 15.48 0.12 8.03 233 2.00 13 0.08 2,100 4.94 14.70 17.90 640.091 11.68 0.97 9.69 8.27 0.15 2.82 0.45 24.2034.17 0.05 1.18 57 0.52 10 0.05 830 2.74 8.89 11.58 410.058 5.51 0.57 5.73 6.18 0.01 2.26 0.16 15.30 9.58 0.04 2.56 69 0.52 1.12 0.01 543.51 0.91 2.30 2.46 9.09 0.01 2.44 0.15 1.66 0.95 0.06 0.25 0.11 4.01 10.51 3.83 52 2.30 14 0.05 1,800 5.55 12.28 20.00 55 0.070 12.10 1.32 20.90 7.75 0.02 2.51 0.3032.70 8.64 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3.83 52 2.30 14 0.05 1,800 5.55 12.28 20.00 55 0.070 12.10 1.32 20.90 7.75 0.02 2.51 0.3032.70 8.64 3.83 52 2.30 14 0.05 1,800 5.55 12.28 20.00 55 0.070 12.10 1.32 20.90 7.75 0.02 2.51 0.3032.70 8.64 3.83 52 2.30 14 0.05 1,800 5.55 12.28 20.00 55 0.070 12.10 1.32 20.90 7.75 0.02 2.51 0.3032.70 8.64

0.05 2.04 261 0.29 10 0.12 82 3.57 11.09 7.85 33 0.010 170.00 0.88 8.04 3.56 0.02 0.57 0.08 17.40 13.47 0.08 1.01 326 0.17 10 0.06 42 1.17 4.50 11.52 360.092 8.54 0.16 3.39 1.90 0.00 0.64 0.04 11.60 8.29 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 0.07 1.53 294 0.23 10 0.09 62 2.37 7.80 9.69 35 0.051 89.27 0.52 5.72 2.73 0.01 0.61 0.06 14.50 10.88 0.08 2.04 326 0.29 10 0.12 82 3.57 11.09 11.52 360.092 170.00 0.88 8.04 3.56 0.02 0.64 0.08 17.40 13.47 0.05 1.01 261 0.17 10 0.06 42 1.17 4.50 7.85 33 0.010 8.54 0.16 3.39 1.90 0.00 0.57 0.04 11.60 8.29 0.02 0.73 46 0.08 0.00 0.04 28.28 1.70 4.66 2.60 2.12 0.06 114.17 0.51 3.29 1.17 0.01 0.05 0.03 4.10 3.66 0.07 7.34 102 1.43 10 0.06 1,800 4.13 12.10 15.83 510.086 24.20 1.25 7.98 7.19 0.04 2.91 0.5425.10 10.22 0.10 12.85 125 1.48 10 0.06 1,400 4.00 13.20 14.45 53 0.091 19.00 0.81 8.84 7.86 0.02 2.13 0.52 22.00 9.46 0.08 11.97 104 1.25 10 0.06 1,300 4.43 12.80 17.00 560.080 13.00 0.97 9.64 8.20 0.03 2.81 0.4424.10 10.29 0.05 7.26 81 1.32 19 0.06 1,800 4.52 10.34 21.70 560.084 13.10 1.38 8.04 6.76 0.07 3.21 0.53 21.40 7.68 0.43 14.18 97 1.75 10 0.08 1,300 3.69 10.30 22.60 470.069 10.20 1.05 13.40 7.72 0.10 2.72 0.39 26.30 15.24 0.11 6.36 81 1.09 23 0.06 1,900 4.00 8.42 21.80 490.086 11.50 1.07 7.44 7.37 0.04 2.58 0.52 21.40 5.84 0.10 6.42 123 1.40 24 0.04 1,600 4.52 11.50 14.90 710.078 9.06 1.07 8.42 11.03 0.12 2.47 0.59 25.30 5.89 0.07 13.67 105 1.90 13 0.07 1,200 3.47 9.93 15.89 42 0.087 8.85 0.96 8.60 9.42 0.07 2.60 0.52 18.73 9.64 20 1,200 60 8 8 8 8 9 8 9 8 8 8 9 8 8 8 8 8 8 8 8 8 8 0.13 10.01 102 1.45 15 0.06 1,500 4.10 11.07 18.02 540.083 13.61 1.07 9.05 8.19 0.06 2.68 0.51 23.04 9.28

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 36 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Knott Max Knott Min Knott StdDev 12/22/2008Coal As-Shipped Fuel Supply Long Fork MIM60 LongFork 09F003970 2/26/2009Coal As-Shipped Fuel Supply Long Fork MIM 30 LongFork 09F022560 3/27/2009Coal As-Shipped Fuel Supply Long Fork mim57 LongFork 09F028910 4/17/2009Coal As-Shipped Fuel Supply Long Fork MIM10 LongFork 09F032460 9/22/2009Coal As-Shipped Fuel Supply Long Fork MIM52 LongFork 09F067330 12/27/2009Coal As-Shipped Fuel Supply Long Fork MIM40 LongFork 09F008180 LongFork Count 6 LongFork Average LongFork Max LongFork Min LongFork StdDev 3/1/2009Coal As-Shipped Fuel Supply Marfork Marfork 09F022500 Marfork Count 1 Marfork Average Marfork Max Marfork Min Marfork StdDev 3/12/2009Coal As-Shipped Fuel Supply Mountain Laurel D450 Mountain Laural 09F031690 5/22/2009Coal As-Shipped Fuel Supply Mountain Laurel D 505 Mountain Laural 09F035030 6/27/2009Coal As-Shipped Fuel Supply Mountain Laurel D526 Mountain Laural 09F049400 9/22/2009Coal As-Shipped Fuel Supply Mt. Laurel D588 Mountain Laural 09F067300 Mountain Laural Count 4 Mountain Laural Average Mountain Laural Max Mountain Laural Min Mountain Laural StdDev 2/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD09A NorthAntelope 09F014050 2/17/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO08A NorthAntelope 09F026910 3/2/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO09A NorthAntelope 09F026200 4/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD061A NorthAntelope 09F026920 4/9/2009Coal As-Shipped Fuel Supply North Antelope NAMSUD068A NorthAntelope 09F032470 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO23A NorthAntelope 09F033250 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO22A NorthAntelope 09F033260 5/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO21A NorthAntelope 09F033270 6/26/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT028A NorthAntelope 09F049740 6/30/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT029A North Antelope 09F049750 7/4/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNT030A North Antelope 09F049760 10/6/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNTO41A NorthAntelope 09F073020 10/9/2009Coal As-Shipped Fuel Supply North Antelope CNAMSUD248A NorthAntelope 09F073030 11/1/2009Coal As-Shipped Fuel Supply North Antelope CNAMCNMO48A NorthAntelope 09F073010 NorthAntelope Count 14 NorthAntelope Average NorthAntelope Max NorthAntelope Min NorthAntelope StdDev 12/15/2008Coal As-Shipped Fuel Supply Perry County D646 Perry 09F006810 6/13/2009Coal As-Shipped Fuel Supply Perry Coal Perry 09F035000 ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

0.43 14.18 125 1.90 24 0.08 1,900 4.52 13.20 22.60 710.091 24.20 1.38 13.40 11.03 0.12 3.21 0.59 26.30 15.24 0.05 6.36 81 1.09 10 0.04 1,200 3.47 8.42 14.45 42 0.069 8.85 0.81 7.44 6.76 0.02 2.13 0.39 18.73 5.84 0.12433.4557 160.2626 6.030.0105278.3880.38681.61353.415518.373240.00685.36220.17671.87731.39520.03520.31970.06232.56743.0112 0.06 7.50 100 1.51 10 0.05 2,150 4.58 13.20 12.61 62 0.107 23.00 0.79 8.15 8.03 0.06 4.02 0.50 24.90 7.47 0.01 8.52 82 1.65 10 0.06 2,100 4.81 13.60 20.20 460.120 10.70 1.11 8.47 8.63 0.03 3.62 0.69 26.80 10.84 0.05 1.41 275 0.53 10 0.10 1,700 3.46 7.95 11.23 500.035 6.12 0.74 6.52 3.64 0.03 1.99 0.11 13.7036.06 0.26 9.50 88 1.98 10 0.09 1,600 5.88 12.80 24.00 500.120 14.00 1.45 16.80 8.55 0.09 4.04 0.67 30.10 14.81 13 1,700 75 0.05 8.67 97 1.37 10 0.04 2,100 5.21 16.80 14.47 500.096 15.00 1.08 9.16 9.71 0.04 3.67 0.6030.00 8.29 5 5 5 5 6 5 6 5 5 5 6 5 5 5 5 5 5 5 5 5 5 0.09 7.12 128 1.41 10 0.07 1,892 4.79 12.87 16.50 560.096 13.76 1.03 9.82 7.71 0.05 3.47 0.51 25.10 15.49 0.26 9.50 275 1.98 13 0.10 2,150 5.88 16.80 24.00 75 0.120 23.00 1.45 16.80 9.71 0.09 4.04 0.69 30.1036.06 0.01 1.41 82 0.53 10 0.04 1,600 3.46 7.95 11.23 460.035 6.12 0.74 6.52 3.64 0.03 1.99 0.11 13.70 7.47 0.10 3.27 82 0.54 1.02 0.02 249.83 0.89 3.17 5.41 10.99 0.04 6.22 0.29 4.02 2.36 0.03 0.85 0.24 6.74 11.85 0.01 4.51 87 1.50 10 0.05 930 5.44 18.30 15.70 65 0.090 16.20 0.84 9.90 8.31 0.02 3.13 0.36 28.50 11.96 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.01 4.51 87 1.50 10 0.05 930 5.44 18.30 15.70 65 0.090 16.20 0.84 9.90 8.31 0.02 3.13 0.36 28.50 11.96 0.01 4.51 87 1.50 10 0.05 930 5.44 18.30 15.70 65 0.090 16.20 0.84 9.90 8.31 0.02 3.13 0.36 28.50 11.96 0.01 4.51 87 1.50 10 0.05 930 5.44 18.30 15.70 65 0.090 16.20 0.84 9.90 8.31 0.02 3.13 0.36 28.50 11.96

0.10 3.39 52 1.19 10 0.06 1,500 4.78 12.50 23.50 770.078 15.10 1.06 8.80 9.49 0.03 3.66 0.33 23.40 11.89 0.11 4.49 77 1.15 10 0.07 1,640 5.74 19.60 29.30 940.101 13.30 1.07 16.40 10.43 0.02 5.13 0.38 32.2033.00 0.05 2.76 43 1.76 13 0.06 2,200 4.73 9.60 16.95 500.104 4.29 1.27 8.63 6.99 0.05 4.75 0.26 14.93 15.57 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 0.09 3.55 57 1.37 11 0.06 1,780 5.08 13.90 23.25 740.094 10.90 1.13 11.28 8.97 0.03 4.51 0.32 23.51 20.15 0.11 4.49 77 1.76 13 0.07 2,200 5.74 19.60 29.30 940.104 15.10 1.27 16.40 10.43 0.05 5.13 0.38 32.2033.00 0.05 2.76 43 1.15 10 0.06 1,500 4.73 9.60 16.95 500.078 4.29 1.06 8.63 6.99 0.02 3.66 0.26 14.93 11.89 0.03 0.88 18 0.34 1.44 0.01 370.41 0.57 5.14 6.18 22.19 0.01 5.79 0.12 4.44 1.78 0.02 0.76 0.06 8.64 11.28 0.04 0.42 294 0.20 10 0.05 79 1.06 3.59 7.02 400.051 5.65 0.28 2.21 1.61 0.02 0.16 0.02 6.84 5.28 0.20 0.46 281 0.08 10 0.06 130 1.18 4.60 8.18 45 0.062 5.73 0.31 2.46 1.46 0.02 0.40 0.02 9.01 5.11 0.10 0.58 252 0.18 10 0.06 56 1.33 4.85 12.72 710.055 5.19 0.33 2.36 2.10 0.01 0.30 0.04 9.73 7.31 0.05 0.63 294 0.12 10 0.11 110 1.38 5.22 8.79 55 0.045 5.95 0.41 2.58 1.99 0.04 0.62 0.03 8.60 24.61 0.38 0.74 276 0.33 10 0.07 89 1.42 1.35 8.85 500.058 6.83 0.34 3.66 2.04 0.04 0.90 0.05 11.20 5.36 0.17 0.65 351 0.27 10 0.07 99 1.30 2.52 7.84 45 0.051 6.00 0.31 6.00 2.00 0.04 1.03 0.03 10.30 7.21 0.28 0.43 354 0.29 10 0.05 57 1.04 2.84 7.73 42 0.060 4.57 0.32 4.61 1.91 0.03 0.34 0.03 11.10 5.86 0.16 0.43 334 0.24 10 0.06 38 1.21 0.75 7.94 400.036 4.53 0.30 4.81 1.70 0.05 0.67 0.03 10.90 5.30 0.06 0.53 289 0.16 10 0.05 40 1.18 4.93 8.17 490.066 5.90 0.25 2.25 1.59 0.02 0.46 0.04 10.60 7.39 0.25 0.45 304 0.15 10 0.05 49 1.18 1.62 7.02 440.053 6.76 0.37 2.17 1.56 0.05 0.42 0.02 8.02 5.90 0.12 0.45 279 0.16 10 0.06 34 1.07 3.35 8.23 410.046 5.78 0.24 1.98 1.59 0.03 0.37 0.02 8.26 9.67 0.06 0.65 279 0.20 10 0.08 20 1.57 8.32 9.99 45 0.101 7.53 0.25 2.80 2.15 0.01 0.65 0.06 7.60 6.75 0.05 0.48 305 0.15 10 0.08 20 1.41 6.00 8.84 45 0.063 6.69 0.26 2.72 1.60 0.01 0.22 0.02 6.14 8.78 0.07 0.53 264 0.17 10 0.04 30 1.17 11.50 12.10 500.059 6.18 0.64 2.43 1.77 0.02 0.16 0.03 6.66 5.80 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0.14 0.53 297 0.19 10 0.06 61 1.25 4.39 8.82 470.058 5.95 0.33 3.07 1.79 0.03 0.48 0.03 8.93 7.88 0.38 0.74 354 0.33 10 0.11 130 1.57 11.50 12.72 710.101 7.53 0.64 6.00 2.15 0.05 1.03 0.06 11.20 24.61 0.04 0.42 252 0.08 10 0.04 20 1.04 0.75 7.02 400.036 4.53 0.24 1.98 1.46 0.01 0.16 0.02 6.14 5.11 0.10 0.10 31 0.07 0.00 0.02 34.99 0.16 2.88 1.71 8.06 0.01 0.84 0.10 1.22 0.23 0.01 0.26 0.01 1.74 5.01 0.10 3.78 91 1.50 20 0.04 2,400 4.61 11.50 13.32 560.040 27.00 0.71 9.55 7.80 0.06 2.18 0.27 28.80 10.41 0.09 3.40 68 1.27 10 0.04 2,100 4.59 8.53 18.10 480.030 11.40 0.62 8.74 7.30 0.06 1.82 0.26 22.60 20.51

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 37 of 40

### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid 6/30/2009Coal As-Shipped Fuel Supply Perry D524 Perry 09F046980 9/11/2009Coal As-Shipped Fuel Supply Perry D581 Perry 09F066850 10/12/2009Coal As-Shipped Fuel Supply Perry D-614 Perry 09F072960 Perry Count 5 Perry Average Perry Max Perry Min Perry StdDev 12/16/2008Coal As-Shipped Fuel Supply Pevler Pevler 09F000900 12/30/2008Coal As-Shipped Fuel Supply Pevler MIM43 Pevler 09F006830 1/30/2009Coal As-Shipped Fuel Supply Pevler MIM80 Pevler 09F014010 2/26/2009Coal As-Shipped Fuel Supply Pevler D454 Pevler 09F022540 3/29/2009Coal As-Shipped Fuel Supply Pevler mim97 Pevler 09F028950 4/23/2009Coal As-Shipped Fuel Supply Pevler MIM04 Pevler 09F032780 5/28/2009Coal As-Shipped Fuel Supply Pevler MIT84 Pevler 09F049340 6/27/2009Coal As-Shipped Fuel Supply Pevler MIM94 Pevler 09F048540 8/3/2009Coal As-Shipped Fuel Supply Pevler MIM 39 Pevler 09F061650 9/29/2009Coal As-Shipped Fuel Supply Pevler MIM58 Pevler 09F066820 10/29/2009Coal As-Shipped Fuel Supply Pevler MIM 97 Pevler 09F072950 Pevler Count 11 Pevler Average Pevler Max Pevler Min Pevler StdDev 12/28/2008Coal As-Shipped Fuel Supply Premeir Elkhorn D404 PremierElkhorn 09F006790 2/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D437 PremierElkhorn 09F022550 3/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-468 PremierElkhorn 09F028940 4/26/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D490 PremierElkhorn 09F032790 5/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D506 PremierElkhorn 09F047030 6/20/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D518 PremierElkhorn 09F048580 9/30/2009Coal As-Shipped Fuel Supply Premier Elkhorn D598 PremierElkhorn 09F066840 9/30/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-598 PremierElkhorn 09F072990 10/24/2009Coal As-Shipped Fuel Supply Premeir Elkhorn D-611 PremierElkhorn 09F073000 PremierElkhorn Count 9 PremierElkhorn Average PremierElkhorn Max PremierElkhorn Min PremierElkhorn StdDev 1/27/2009Coal As-Shipped Fuel Supply Saphire D416 Sapphire 09F010310 2/8/2009Coal As-Shipped Fuel Supply Saphire D426 Sapphire 09F014020 3/16/2009Coal As-Shipped Fuel Supply Saphire D454 Sapphire 09F022530 4/20/2009Coal As-Shipped Fuel Supply Sapphire D480 Sapphire 09F028190 6/9/2009Coal As-Shipped Fuel Supply Saphire D515 Sapphire 09F049410 6/26/2009Coal As-Shipped Fuel Supply Sapphire D521 Sapphire 09F047000 7/20/2009Coal As-Shipped Fuel Supply Sapphire D543 Sapphire 09F047010 8/27/2009Coal As-Shipped Fuel Supply Saphire D568 Sapphire 09F067350 9/24/2009Coal As-Shipped Fuel Supply Saphire D594 Sapphire 09F066800 11/16/2009Coal As-Shipped Fuel Supply Saphire D622 Sapphire 09F072940 12/6/2009Coal As-Shipped Fuel Supply Saphire D 641 Sapphire 09F074400 12/11/2008Coal As-Shipped Fuel Supply Saphire D645 Sapphire 09F003990 ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

0.14 4.13 83 1.46 10 0.04 2,200 4.54 10.10 13.48 53 0.046 9.90 0.64 9.01 7.87 0.45 1.94 0.29 25.10 6.16 0.03 6.84 77 1.62 13 0.06 2,200 4.67 10.69 17.13 370.145 8.40 1.44 10.13 8.17 0.04 3.41 0.81 26.20 13.49 20 2,100 50 4 4 4 4 5 4 5 4 4 4 5 4 4 4 4 4 4 4 4 4 4 0.09 4.54 80 1.46 15 0.05 2,200 4.60 10.21 15.51 490.065 14.18 0.85 9.36 7.79 0.15 2.34 0.41 25.68 12.64 0.14 6.84 91 1.62 20 0.06 2,400 4.67 11.50 18.10 560.145 27.00 1.44 10.13 8.17 0.45 3.41 0.81 28.80 20.51 0.03 3.40 68 1.27 10 0.04 2,100 4.54 8.53 13.32 370.030 8.40 0.62 8.74 7.30 0.04 1.82 0.26 22.60 6.16 0.05 1.56 10 0.15 5.12 0.01 122.47 0.05 1.26 2.47 7.26 0.05 8.64 0.39 0.62 0.36 0.20 0.73 0.27 2.57 6.04 0.16 6.43 62 1.28 10 0.06 2,100 4.19 13.80 18.14 390.106 15.10 1.43 9.64 8.15 0.05 3.31 0.51 32.80 9.78 0.07 6.65 72 1.09 20 0.07 2,500 4.38 15.90 16.48 53 0.163 15.60 1.66 10.18 9.67 0.04 3.76 0.9039.40 12.73 0.02 4.46 64 1.19 20 0.06 2,450 4.01 14.10 15.17 480.102 13.40 1.20 8.48 8.64 0.04 2.91 0.55 29.40 9.45 0.04 6.52 65 1.32 10 0.07 2,200 4.78 14.40 22.80 480.150 16.20 1.29 10.16 9.84 0.04 4.32 0.71 32.60 16.96 0.03 6.87 69 1.15 10 0.06 2,200 4.24 13.50 15.26 45 0.090 15.70 1.45 8.92 7.08 0.05 3.43 0.57 31.60 6.98 0.22 4.81 104 1.27 10 0.08 2,100 5.72 13.10 21.30 440.130 14.70 1.53 21.90 7.71 0.06 3.49 0.6032.60 12.94 0.07 7.83 90 1.21 10 0.05 1,900 4.68 18.30 23.90 62 0.121 15.60 1.20 15.70 8.38 0.03 3.59 0.78 36.50 18.90 0.06 5.44 110 1.13 10 0.05 2,200 4.55 15.50 23.30 510.085 17.40 1.28 11.50 7.84 0.18 3.24 0.51 33.90 17.20 0.06 6.24 66 1.08 10 0.05 2,600 6.04 16.40 25.40 480.132 14.60 1.43 11.10 8.03 0.13 3.32 0.62 35.50 9.72 0.05 6.41 85 1.54 13 0.06 860 4.10 10.72 12.58 480.146 10.23 1.17 8.19 6.56 0.02 2.94 0.46 20.70 13.90 20 2,000 50 10 10 10 10 11 10 11 10 10 10 11 10 10 10 10 10 10 10 10 10 10 0.08 6.17 79 1.23 13 0.06 2,101 4.67 14.57 19.43 490.123 14.85 1.36 11.58 8.19 0.06 3.43 0.62 32.50 12.86 0.22 7.83 110 1.54 20 0.08 2,600 6.04 18.30 25.40 62 0.163 17.40 1.66 21.90 9.84 0.18 4.32 0.9039.40 18.90 0.02 4.46 62 1.08 10 0.05 860 4.01 10.72 12.58 390.085 10.23 1.17 8.19 6.56 0.02 2.91 0.46 20.70 6.98 0.06 1.00 18 0.14 4.59 0.01463.69 0.69 2.08 4.45 5.78 0.03 1.94 0.16 4.21 1.02 0.05 0.41 0.14 4.99 3.93 0.13 6.71 221 2.22 10 0.05 1,400 4.94 12.90 14.24 540.087 22.80 0.80 9.10 7.66 0.02 2.66 0.45 26.30 9.11 0.11 8.87 157 2.11 10 0.05 1,300 4.95 11.70 16.50 440.150 17.20 0.99 9.95 6.00 0.04 3.12 0.66 25.50 12.69 0.15 7.69 172 2.55 10 0.08 1,200 6.34 9.50 14.17 390.106 15.30 1.03 10.76 5.63 0.09 2.25 0.52 25.10 12.96 0.24 9.47 163 2.50 10 0.08 1,500 7.26 9.89 17.80 460.092 17.30 1.22 19.80 6.73 0.10 3.10 0.45 25.70 12.72 0.11 7.30 177 1.92 10 0.06 1,100 4.77 8.15 13.10 490.076 19.70 0.86 9.08 6.45 0.04 1.93 0.43 21.90 10.62 0.08 3.71 236 0.82 10 0.06 700 2.98 10.10 14.70 490.081 12.00 0.68 5.85 4.21 0.02 1.87 0.27 18.80 15.20 0.06 6.30 153 2.50 13 0.06 1,150 5.26 8.83 13.84 340.107 19.36 0.76 9.27 5.60 0.03 2.61 0.45 15.94 12.76 0.08 7.04 165 2.19 10 0.07 1,100 5.68 14.60 14.12 400.095 27.80 0.69 9.72 6.39 0.02 2.41 0.52 21.90 8.67 0.10 6.57 142 1.81 10 0.05 1,100 4.54 14.80 15.81 500.118 17.30 0.86 8.36 6.70 0.04 2.74 0.47 22.80 8.96 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 0.12 7.07 176 2.07 10 0.06 1,172 5.19 11.16 14.92 45 0.101 18.75 0.88 10.21 6.15 0.05 2.52 0.47 22.66 11.52 0.24 9.47 236 2.55 13 0.08 1,500 7.26 14.80 17.80 540.150 27.80 1.22 19.80 7.66 0.10 3.12 0.66 26.30 15.20 0.06 3.71 142 0.82 10 0.05 700 2.98 8.15 13.10 340.076 12.00 0.68 5.85 4.21 0.02 1.87 0.27 15.94 8.67 0.05 1.65 32 0.54 0.83 0.01 227.91 1.20 2.46 1.49 6.34 0.02 4.52 0.18 3.85 0.96 0.03 0.45 0.10 3.50 2.27 0.01 10.52 124 1.40 10 0.04 1,200 3.89 9.43 11.73 62 0.097 16.60 0.52 7.87 6.55 0.02 1.90 0.52 24.80 8.20 0.05 9.66 119 1.35 10 0.05 1,200 3.94 9.55 13.30 45 0.100 20.20 0.62 7.89 6.42 0.03 2.14 0.47 21.50 8.26 0.16 9.79 100 1.58 10 0.05 1,200 4.06 10.10 17.10 460.130 15.90 0.72 8.38 6.09 0.03 3.36 0.58 20.40 9.47 0.05 8.55 118 1.21 10 0.09 1,100 4.02 9.01 18.00 470.073 9.58 0.91 8.22 5.19 0.11 2.38 0.41 19.70 7.52 0.09 11.44 116 1.37 10 0.05 1,000 4.16 12.50 20.50 1400.097 11.70 0.67 7.86 6.23 0.03 2.57 0.49 21.70 12.50 0.13 10.25 138 1.38 10 0.05 1,000 3.86 8.06 14.13 53 0.095 11.70 0.71 8.00 6.89 0.05 2.21 0.60 21.70 8.26 10 1,100 54 13 2,300 43 0.09 9.56 101 1.92 13 0.08 1,000 3.86 7.87 14.39 280.102 10.23 0.64 7.93 6.57 0.22 2.36 0.44 15.09 10.14 10 1,000 40 0.06 0.75 523 0.20 10 0.04 1,060 0.74 5.57 34.00 300.115 12.67 0.63 1.90 2.41 0.03 0.35 0.05 10.20 6.96 0.06 8.88 126 1.27 13 0.05 1,110 4.31 8.76 14.53 62 0.083 16.00 0.80 8.65 6.35 0.04 2.35 0.43 27.80 8.20

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### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid Sapphire Count 12 Sapphire Average Sapphire Max Sapphire Min Sapphire StdDev 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F014210 2/22/2009Coal As-Shipped Fuel Supply ICG Sentenial D436 Sentenial 09F022510 3/20/2009Coal As-Shipped Fuel Supply ICG Sentinal D467 Sentenial 09F028180 4/11/2009Coal As-Shipped Fuel Supply ICG Senteniel D470 Sentenial 09F032800 6/25/2009Coal As-Shipped Fuel Supply ICG Sentinal D520 Sentenial 09F048570 Sentenial Count 5 Sentenial Average Sentenial Max Sentenial Min Sentenial StdDev 3/31/2009Coal As-Shipped Fuel Supply Sidney mim05 Sidney 09F028930 4/12/2009Coal As-Shipped Fuel Supply Sidney MIM Sidney 09F032450 5/4/2009Coal As-Shipped Fuel Supply Sidney MIM49 Sidney 09F049390 5/20/2009Coal As-Shipped Fuel Supply Sidney MIT81 Sidney 09F049380 9/24/2009Coal As-Shipped Fuel Supply Sidney MIM81 Sidney 09F067320 Sidney Count 5 Sidney Average Sidney Max Sidney Min Sidney StdDev 12/17/2008Coal As-Shipped Fuel Supply Spring Creek SCMSUD420 SpringCreek 08F004150 12/29/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD420 SpringCreek 09F006880 12/31/2008Coal As-Shipped Fuel Supply Spring Creek SCSMSUD429 SpringCreek 09F006890 1/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD014 SpringCreek 09F016490 1/31/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD015 SpringCreek 09F016500 2/22/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD040 SpringCreek 09F026140 2/28/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD046 SpringCreek 09F026150 3/5/2009Coal As-Shipped Fuel Supply Spring Creek CSCMSUD050 SpringCreek 09F026160 4/20/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD120 SpringCreek 09F033280 5/1/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD141 SpringCreek 09F033290 5/11/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD162 SpringCreek 09F033300 6/3/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD255 SpringCreek 09F048410 6/27/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD250 SpringCreek 09F049770 6/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD254 SpringCreek 09F048400 8/29/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD373 SpringCreek 09F070100 9/28/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD427 SpringCreek 09F070110 9/30/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD431 SpringCreek 09F070120 10/12/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD451 SpringCreek 09F073520 10/18/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD462 SpringCreek 09F073530 10/22/2009Coal As-Shipped Fuel Supply Spring Creek SCMSUD470 SpringCreek 09F073540 12/8/2009Coal As-Shipped Fuel Supply Spring Creek SCSMSUD410 SpringCreek 09F006870 SpringCreek Count 21 SpringCreek Average SpringCreek Max SpringCreek Min ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

9 9 9 9 12 9 12 9 9 9 12 9 9 9 9 9 9 9 9 9 9 0.08 8.82 163 1.30 11 0.05 1,189 3.65 8.98 17.52 540.099 13.84 0.69 7.41 5.86 0.06 2.18 0.4420.32 8.83 0.16 11.44 523 1.92 13 0.09 2,300 4.31 12.50 34.00 1400.130 20.20 0.91 8.65 6.89 0.22 3.36 0.60 27.80 12.50 0.01 0.75 100 0.20 10 0.04 1,000 0.74 5.57 11.73 280.073 9.58 0.52 1.90 2.41 0.02 0.35 0.05 10.20 6.96 0.05 3.15 136 0.46 1.13 0.02 358.82 1.10 1.87 6.73 29.06 0.02 3.51 0.11 2.08 1.38 0.06 0.80 0.16 5.14 1.67 2.93 20 1.01 22 0.07 1,700 4.17 28.40 15.00 340.180 10.40 1.25 11.90 6.47 0.01 4.63 0.5441.40 8.10 0.05 3.20 18 1.33 26 0.08 1,700 4.36 27.20 13.80 340.160 10.40 1.29 7.33 6.26 0.01 5.02 0.5040.30 8.86 0.05 2.97 23 1.10 21 0.09 1,450 4.31 26.10 15.00 360.155 9.96 1.56 7.42 6.08 0.02 4.85 0.5543.40 7.53 0.04 1.87 7 0.62 10 0.06 1,700 1.99 8.79 5.43 35 0.057 3.42 0.72 8.89 2.38 0.01 2.42 0.19 15.60 17.23 0.07 3.35 22 1.08 27 0.06 1,600 4.25 32.20 15.80 390.170 11.60 1.24 7.27 6.26 0.02 4.75 0.5044.50 19.90 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.05 2.86 18 1.03 21 0.07 1,630 3.82 24.54 13.01 360.144 9.16 1.21 8.56 5.49 0.01 4.33 0.4637.04 12.32 0.07 3.35 23 1.33 27 0.09 1,700 4.3632.20 15.80 390.180 11.60 1.56 11.90 6.47 0.02 5.02 0.5544.50 19.90 0.04 1.87 7 0.62 10 0.06 1,450 1.99 8.79 5.43 340.057 3.42 0.72 7.27 2.38 0.01 2.42 0.19 15.60 7.53 0.01 0.58 7 0.26 6.76 0.01 109.54 1.02 9.10 4.29 2.07 0.05 3.26 0.30 1.98 1.74 0.01 1.08 0.15 12.10 5.79 0.05 6.46 79 1.34 10 0.06 1,800 5.02 13.11 22.50 500.106 15.20 1.46 9.66 8.87 0.06 2.94 0.53 28.30 9.73 0.42 5.76 87 1.90 10 0.10 1,300 6.56 15.40 20.60 480.057 14.00 1.28 18.00 8.56 0.07 3.03 0.43 32.80 16.30 0.08 7.61 96 1.51 10 0.06 1,700 4.38 18.00 23.30 92 0.118 13.50 1.03 17.80 8.78 0.06 3.29 0.6431.00 19.30 0.09 8.11 90 1.43 10 0.07 1,480 4.53 16.80 23.30 490.110 12.10 0.99 15.70 8.14 0.73 2.63 0.52 28.20 17.00 0.05 6.90 91 1.66 13 0.06 1,500 6.22 11.65 16.76 4,2000.094 10.53 1.30 11.76 9.10 0.04 2.52 0.45 28.60 15.64 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.14 6.97 89 1.57 11 0.07 1,556 5.34 14.99 21.29 8880.097 13.07 1.21 14.58 8.69 0.19 2.88 0.51 29.78 15.59 0.42 8.11 96 1.90 13 0.10 1,800 6.56 18.00 23.30 4,2000.118 15.20 1.46 18.00 9.10 0.73 3.29 0.6432.80 19.30 0.05 5.76 79 1.34 10 0.06 1,300 4.38 11.65 16.76 480.057 10.53 0.99 9.66 8.14 0.04 2.52 0.43 28.20 9.73 0.16 0.93 6 0.22 1.12 0.02 196.67 0.99 2.61 2.761851.67 0.02 1.80 0.20 3.72 0.36 0.30 0.31 0.08 2.04 3.56 0.11 1.11 566 0.13 10 0.05 81 0.75 3.32 7.76 35 0.042 16.00 0.47 1.96 1.45 0.07 0.15 0.04 9.00 7.41 0.29 0.88 595 0.16 10 0.06 130 1.01 4.28 9.23 33 0.026 9.87 0.33 1.97 1.34 0.01 0.03 0.03 8.93 5.28 0.21 1.33 544 0.10 10 0.06 130 0.74 3.49 7.94 260.047 12.40 0.73 1.98 1.06 0.05 0.33 0.02 8.27 5.04 0.54 1.25 0.10 10 0.04 44 0.71 2.99 7.20 310.080 12.97 0.74 1.86 1.23 0.02 0.23 0.03 7.83 5.80 0.78 1.33 0.19 10 0.07 56 0.94 3.51 6.24 32 0.050 12.58 0.39 2.30 1.17 0.02 0.34 0.06 7.28 4.74 0.01 1.50 483 0.13 10 0.05 90 0.83 1.75 6.84 1700.050 15.70 0.58 1.89 1.26 0.04 0.43 0.05 8.71 5.46 0.08 1.01 447 0.23 10 0.04 130 0.82 2.40 5.44 600.040 9.87 0.45 1.69 1.05 0.03 0.37 0.04 7.28 3.62 0.16 0.91 449 0.14 10 0.04 74 0.72 2.42 6.40 1400.040 14.20 0.39 1.60 1.04 0.03 0.14 0.05 8.20 9.85 0.14 1.38 645 0.20 10 0.07 48 1.08 0.98 8.20 280.038 16.10 0.98 8.73 1.37 0.08 0.80 0.05 12.70 7.79 0.14 1.57 522 0.08 10 0.09 40 0.95 1.63 8.25 270.051 22.00 0.83 3.03 1.28 0.10 0.54 0.07 11.90 8.53 0.10 1.97 518 0.16 10 0.09 33 0.88 1.92 7.05 270.049 24.50 0.85 2.64 1.16 0.11 0.48 0.06 10.10 4.80 0.06 1.42 591 0.11 10 0.05 32 0.69 0.26 7.33 260.053 14.03 0.35 1.76 1.26 0.48 0.16 0.05 6.00 3.91 0.06 1.60 504 0.10 10 0.05 25 0.66 1.57 7.01 25 0.062 12.90 0.84 1.61 1.10 0.10 0.46 0.06 7.62 5.33 0.07 1.25 525 0.15 10 0.05 34 0.82 4.41 6.95 240.044 15.07 0.33 2.05 1.58 0.01 0.16 0.05 5.20 4.75 10 46 34 10 23 32 0.16 1.66 568 0.12 10 0.05 30 0.69 4.45 9.11 300.068 15.90 0.65 1.73 1.18 0.05 0.39 0.07 5.30 4.50 0.08 2.96 402 0.40 10 0.06 190 1.57 7.95 8.89 300.072 13.50 0.55 3.48 2.04 0.66 0.52 0.13 8.09 6.92 0.04 1.26 512 0.09 10 0.05 30 0.68 4.63 7.72 300.063 13.90 0.49 1.56 1.18 0.02 0.34 0.04 5.60 5.16 0.03 1.64 502 0.12 10 0.06 20 0.84 5.77 7.72 400.071 21.70 0.61 2.23 1.14 0.06 0.43 0.05 6.35 3.94 0.29 1.51 548 0.10 10 0.07 130 0.77 3.31 7.87 260.051 16.10 0.76 1.98 1.30 0.04 0.24 0.04 8.66 5.12 19 19 17 19 21 19 21 19 19 19 21 19 19 19 19 19 19 19 19 19 19 0.18 1.45 525 0.15 10 0.06 67 0.85 3.21 7.53 43 0.052 15.23 0.60 2.42 1.27 0.10 0.34 0.05 8.05 5.68 0.78 2.96 645 0.40 10 0.09 190 1.57 7.95 9.23 1700.080 24.50 0.98 8.73 2.04 0.66 0.80 0.13 12.70 9.85 0.01 0.88 402 0.08 10 0.04 20 0.66 0.26 5.44 240.026 9.87 0.33 1.56 1.04 0.01 0.03 0.02 5.20 3.62

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### Detroit Edison Fuels, Monthlies and Mines - 2009

Spl Date Sampledesc Sampleid SpringCreek StdDev 5/7/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM029WestBlackThunder09F049350 6/29/2009Coal As-Shipped Fuel Supply West Black Thunder CWTMCNM034WestBlackTHunder09F048430 WestBlackThunder Count 2 WestBlackThunder Average WestBlackThunder Max WestBlackThunder Min WestBlackThunder StdDev Grand Count 178 Grand Average Grand Max Grand Min Grand StdDev ag as ba be br cd cl co cr cu f hg mn mo ni pb sb se tl v zn Trace Elements (as-determined)

0.19 0.46 60 0.07 0.00 0.01 48.00 0.21 1.82 0.98 38.25 0.01 3.85 0.20 1.61 0.23 0.17 0.18 0.02 2.02 1.67 0.07 0.75 303 0.18 10 0.07 52 1.38 6.74 11.60 800.055 14.80 0.39 3.81 2.21 0.01 0.79 0.06 14.60 7.59 0.08 0.61 308 0.15 10 0.05 30 0.99 9.16 400.063 7.19 0.12 2.37 1.87 0.04 0.22 0.04 9.07 5.41 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 0.08 0.68 306 0.17 10 0.06 41 1.19 6.74 10.38 600.059 11.00 0.26 3.09 2.04 0.03 0.51 0.05 11.84 6.50 0.08 0.75 308 0.18 10 0.07 52 1.38 6.74 11.60 800.063 14.80 0.39 3.81 2.21 0.04 0.79 0.06 14.60 7.59 0.07 0.61 303 0.15 10 0.05 30 0.99 6.74 9.16 400.055 7.19 0.12 2.37 1.87 0.01 0.22 0.04 9.07 5.41 0.01 0.10 4 0.02 0.00 0.01 15.56 0.28 1.73 28.280.006 5.38 0.19 1.02 0.24 0.02 0.40 0.01 3.91 1.54 154 161 153 161 174 161 174 161 160 161 174 161 161 161 161 161 160 161 161 161 161 0.12 3.58 265 0.73 11 0.06 757 2.69 8.14 11.92 72 0.075 12.65 0.69 6.32 4.11 0.06 1.51 0.25 16.83 9.81 0.78 14.18 701 2.55 27 0.15 2,600 7.2632.20 34.00 4,2000.180 170.00 1.66 21.90 11.03 0.73 5.13 0.9044.5036.06 0.01 0.27 7 0.08 10 0.03 20 0.50 0.26 4.74 240.010 3.04 0.12 1.50 0.72 0.00 0.02 0.02 5.07 2.96 0.12 3.45 190 0.68 3.18 0.02 800.90 1.80 5.70 5.58 315.400.037 13.46 0.37 4.32 2.96 0.10 1.37 0.23 9.51 5.53

FILE: EPA-HQ-OAR-2009-0234-DRAFT-2744.xlsx Page 40 of 40