Ash Grove Texas, L.P. - Midlothian Plant

2006 Actual Emission Rate Calculations - In)JUt Data

Kiln, Raw Mill, Finish Mill, and CI'lIshlng Houni ufOpeI'alion

Annual Huun Ozone Season Honnl orOpemtion b

FlN EPN or Operatlon" June July Angnst Total

(hl'/y.,) (hI') (hI') (hI') (hr/ozone season)

Kiln

2-1 2 8,339 714 744 744 2,202

2-2 6 8,174 708 743 708 2,159

2-3 12 8,286 710 744 721 2,175

RawMiI1~'

1-7D F-MBI 4,410 371 356 441 1,168

1-7B F-MBI 4,263 376 411 312 1,099

Fill/sh Mills

'-I , 7,783 657 6S2 70s 2,013

'-2 , 7,716 617 692 627 1,935

Stall/ler (Crlfsher)

1-24 1-24 4,229 363 392 368 1,123

Per December 2006 Yeal 10 Date OPERATING REPORT for lhe Mldlotlllllll PllIIlt

b Per June 30, 2006, July 31, 2006, and August 31, 2006 "DAILY OPERATING REPORT" for the Midlothian Plan!.

Cllnkel' Pl'oductioll

Annual Clinkel' O:.:ono Sonson Clinker Pl'odmtion"

FIN EPN PI'Oduction" June ,Iuly August Total

(tpr) (Ion) (ton) (tau) (ton/ozone season)

2-1 2 334,160,8 27,572.6 28,Sm,5 29,416.4 85,966,5

2~2 6 318,485,2 26,890.6 28,803,3 27,329.4 83,023.3

2-3 12 323,847.1 26,348.4 28,534.4 27,843.4 82,726.2

Per Docemher 2006 Yearw Dale OPERATING REPORT" for the Mldlolhlan Plant

b Per June 30, 2006, July 31, 2006, and Augusl31, 2006 "DAILY OPERATING REPORT" for the Midlotlllan Plant

Ash Grove Texas, L,P

Midlolhinn Pl~nt 30f29 Trinity Consllllants
Ash Grove Texas, L.P. - Midlothian Plant

2006 Actual Emission Rate Calculations - Kilns ...-

Kiln NOx, 802, CO Emission Calculations (CEMS Data)

Monthly Emissions" Emissions

January February March April M"Y June July August September October November December Annual Ozone Seasonb

FIN EPN Description Compound (toDS) (tfins) (tons) (""'-') (tons) (""'-') (toDS) (tons) (tons) (toDS) (tons) (toDS) (tpy) Ob/day)

2-1 2 Kilnl NO" 69.3861 60.4490 64.4573 64.2024 70.1241 72.0165 71.8020 65.9715 64.6937 58.0380 57.4416 37.2168 755.799~ 4,560.6522

SO, 206.8620 189.4473 183.9578 192.7933 230.2726 228.1686 246.3561 213.5413 150.0201 198.8193 154.9290 103.4272 2,298.5946/ 14,957.9574

CO 11.0359 9.1573 10.7232 IU933 12.9964 11.8200 10.6804 11.3375 12.2003 12.9309 10.4004 4.9126 1293882'/ 735.6077

2-2 6 Kiln 2 NO" 76.9657 38.6756 66.7310 60.5552 67.0394 67.3123 595444 53.9485 63.6637 64.3026 57.2068 45.9560 72L9010./ 3,930.5467

SO, 193.3457 102.6650 214.8876 187.7462 1725071 131.6721 171.4602 177.6386 1295926 163.3053 224.6011 140.9190 2,010.340~ 10,451.5403

CO 15.6287 4.2951 9.6139 12.2149 14.0410 15.4382 18.5628 16.1929 14.6691 15.5394 9.7158 11.0084 156.9201 1,09l.l707

2-3 12 Kiln 3 NO" 47.7865 68.2169 69.6191 65.1739 67.l752 65.2795 63.1648 57.9345 60.6852 60.1410 52.9070 62.5909 740.6744/ 4,051.7109

SO, 128-1149 221.6056 149.4815 136.8023 132.8300 135.7006 166.5307 171.4562 183.6454 173.1159 162-0788 193.0731 1,954.4350~10,297.5548 CO 9.1879 10.4649 21.6800 16.3138 19.7145 18.1807 17.8374 16.2378 14.9843 16.8908 14.5973 13.7861 189.8754\1' 1,135.9967

Total Kiln Emissions NO. 2,218.3744 12,542.9098

SO, 6,263.3702 35,707.0525

CO 476.1837 2,962.7751

Calculated

Annual

Emission

Factor

FIN EPN Description Compound (lb/ton

clinker)

2-1 2 Kiln 1 NO" 4.52""

2-2 6 Kiln 2 NO" 4.5~ V

2-3 12 Kiln 3 NO" 4.5~

Monthly emissions are obtained from Continuous Emissions Monitoring (CEMS) data reports, per email from Francisco Pinto, Ash Grove, to VlOeetMasuraha, Trinity Consultants, dated April 23, 2007.

b Per TCEQ 2006 Emissions Inventory Guidelines, RG-360Al06 (January 2007), the ozone season is from June lst through August 31st, inclusive.

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Ash Grove Texas, L.P. ~~ Midlothian Plant 70f29

8~ Trinity Consultants