**Av g Nox exc Validation**  **Av erage A** **IT607 Date & Hour** **Plant Status Nox (ppm)**  4/1/08 0:00 67.87 4/1/08 1:00 64.10 4/1/08 2:00 64.63 4/1/08 3:00 66.72 4/1/08 4:00 66.86 4/1/08 5:00 60.71 4/1/08 6:00 65.93 4/1/08 7:00 65.20 4/1/08 8:00 66.32 4/1/08 9:00 64.11 4/1/08 10:00 64.17 4/1/08 11:00 66.44 4/1/08 12:00 64.11 4/1/08 13:00 65.31 4/1/08 14:00 64.50 4/1/08 15:00 66.40 4/1/08 16:00 63.75 4/1/08 17:00 66.17 4/1/08 18:00 63.36 4/1/08 19:00 66.59 4/1/08 20:00 63.75 4/1/08 21:00 65.72 4/1/08 22:00 70.40 4/1/08 23:00 68.36 4/2/08 0:00 72.57 4/2/08 1:00 67.24 4/2/08 2:00 73.43 4/2/08 3:00 67.68 4/2/08 4:00 69.57 4/2/08 5:00 71.04 4/2/08 6:00 70.87 4/2/08 7:00 68.07 4/2/08 8:00 70.84 4/2/08 9:00 70.69 4/2/08 10:00 68.41 4/2/08 11:00 72.29 4/2/08 12:00 67.97 4/2/08 13:00 70.43 4/2/08 14:00 68.85 4/2/08 15:00 68.32 4/2/08 16:00 68.83 4/2/08 17:00 69.53 4/2/08 18:00 69.48 4/2/08 19:00 71.04 4/2/08 20:00 69.11 4/2/08 21:00 70.264/2/08 22:00 71.09

4/2/08 23:00 70.04 4/3/08 0:00 68.50 4/3/08 1:00 70.62 4/3/08 2:00 72.85 4/3/08 3:00 68.80 4/3/08 4:00 69.42 4/3/08 5:00 69.29 4/3/08 6:00 70.57 4/3/08 7:00 102.93 4/3/08 8:00 82.20 4/3/08 9:00 64.54 4/3/08 10:00 111.88 4/3/08 11:00 168.49 4/3/08 12:00 99.38 4/3/08 13:00 69.88 4/3/08 14:00 52.75 4/3/08 15:00 70.78 4/3/08 16:00 89.02 4/3/08 17:00 54.06 4/3/08 18:00 12.49 4/3/08 19:00 19.09 4/3/08 20:00 27.66 4/3/08 21:00 33.49 4/3/08 22:00 69.91 4/3/08 23:00 86.44 4/4/08 0:00 58.67 4/4/08 1:00 66.78 4/4/08 2:00 122.64 4/4/08 3:00 74.83 4/4/08 4:00 80.61 4/4/08 5:00 67.65 4/4/08 6:00 29.90 4/4/08 7:00 20.12 4/4/08 8:00 71.05 4/4/08 9:00 64.99 4/4/08 10:00 78.63 4/4/08 11:00 103.14 4/4/08 12:00 71.69 4/4/08 13:00 82.56 4/4/08 14:00 72.20 4/4/08 15:00 65.05 4/4/08 16:00 64.73 4/4/08 17:00 65.59 4/4/08 18:00 64.70 4/4/08 19:00 65.54 4/4/08 20:00 68.90 4/4/08 21:00 69.91 4/4/08 22:00 71.17 4/4/08 23:00 69.72 4/5/08 0:00 68.55 4/5/08 1:00 70.604/5/08 2:00 71.38

4/5/08 3:00 66.05 4/5/08 4:00 65.15 4/5/08 5:00 65.97 4/5/08 6:00 63.73 4/5/08 7:00 65.12 4/5/08 8:00 66.26 4/5/08 9:00 65.96 4/5/08 10:00 62.33 4/5/08 11:00 66.94 4/5/08 12:00 64.53 4/5/08 13:00 62.01 4/5/08 14:00 58.08 4/5/08 15:00 60.95 4/5/08 16:00 60.93 4/5/08 17:00 58.86 4/5/08 18:00 59.45 4/5/08 19:00 62.26 4/5/08 20:00 58.40 4/5/08 21:00 60.91 4/5/08 22:00 60.54 4/5/08 23:00 58.92 4/6/08 0:00 59.91 4/6/08 1:00 59.77 4/6/08 2:00 60.17 4/6/08 3:00 59.24 4/6/08 4:00 60.85 4/6/08 5:00 61.66 4/6/08 6:00 58.23 4/6/08 7:00 61.36 4/6/08 8:00 60.16 4/6/08 9:00 60.61 4/6/08 10:00 58.91 4/6/08 11:00 57.95 4/6/08 12:00 60.87 4/6/08 13:00 60.65 4/6/08 14:00 59.70 4/6/08 15:00 59.90 4/6/08 16:00 59.63 4/6/08 17:00 61.43 4/6/08 18:00 59.66 4/6/08 19:00 60.56 4/6/08 20:00 58.92 4/6/08 21:00 59.22 4/6/08 22:00 61.06 4/6/08 23:00 59.19 4/7/08 0:00 61.20 4/7/08 1:00 60.02 4/7/08 2:00 59.16 4/7/08 3:00 62.66 4/7/08 4:00 57.52 4/7/08 5:00 61.034/7/08 6:00 59.89

4/7/08 7:00 58.90 4/7/08 8:00 59.51 4/7/08 9:00 61.01 4/7/08 10:00 60.83 4/7/08 11:00 57.39 4/7/08 12:00 82.43 4/7/08 12:15Plant trip 4/7/2008 16:32:00 PM

Gauze lit67.16 4/7/2008 17:25:00 PM

Plant trip 4/10/08 10:51Gauze lit210.63 4/10/08 11:00 119.48 4/10/08 12:00 16.91 4/10/08 13:0043.72 4/10/08 14:00 50.51 4/10/08 15:00 103.43 4/10/08 16:00 52.65 4/10/08 17:00 83.20 4/10/08 18:00 26.92 4/10/08 19:00 2.80 4/10/08 20:00 68.95 4/10/08 21:0049.02 4/10/08 22:00 81.15 4/10/08 23:00 76.01 4/11/08 0:00 78.34 4/11/08 1:0047.81 4/11/08 2:0040.75 4/11/08 3:00 83.73 4/11/08 4:00 37.79 4/11/08 5:00 15.46 4/11/08 6:00 -2.57 4/11/08 7:00 23.29 4/11/08 8:00 60.44 4/11/08 9:00 71.21 4/11/08 10:00 83.95 4/11/08 11:00 130.73 4/11/08 12:00 95.47 4/11/08 13:00 38.36 4/11/08 14:00 173.50 4/11/08 15:00 31.65 4/11/08 16:00 81.58 4/11/08 17:00 26.45 4/11/08 18:00 29.78 4/11/08 19:00 31.02 4/11/08 20:00 62.61 4/11/08 21:00 36.35 4/11/08 22:0045.09 4/11/08 23:00 119.10 4/12/08 0:00 61.64 4/12/08 1:00 10.83 4/12/08 2:00 10.90 4/12/08 3:00 73.284/12/08 4:00 27.91

4/12/08 5:00 72.53 4/12/08 6:00 135.30 4/12/08 7:00 13.36 4/12/08 8:00 110.01 4/12/08 9:00 56.23 4/12/08 10:0041.56 4/12/08 11:00 65.25 4/12/08 12:00 28.88 4/12/08 13:00 37.07 4/12/08 14:00 29.31 4/12/08 15:00 29.92 4/12/08 16:00 86.92 4/12/08 17:00 51.61 4/12/08 18:00 52.81 4/12/08 19:00 13.71 4/12/08 20:00 69.78 4/12/08 21:0042.24 4/12/08 22:00 100.48 4/12/08 23:00 38.43 4/13/08 0:00 35.75 4/13/08 1:00 93.19 4/13/08 2:0042.51 4/13/08 3:00 61.74 4/13/08 4:00 60.91 4/13/08 5:00 92.80 4/13/08 6:00 76.26 4/13/08 7:00 20.75 4/13/08 8:00 75.33 4/13/08 9:00 70.46 4/13/08 10:00 14.00 4/13/08 11:00 39.49 4/13/08 12:00 30.81 4/13/08 13:00 82.75 4/13/08 14:00 30.45 4/13/08 15:00 58.81 4/13/08 16:0044.34 4/13/08 17:00 51.33 4/13/08 18:004.12 4/13/08 19:00 24.29 4/13/08 20:00 51.00 4/13/08 21:00 89.82 4/13/08 22:00 68.95 4/13/08 23:00 24.99 4/14/08 0:00 58.51 4/14/08 1:00 64.96 4/14/08 2:00 35.94 4/14/08 3:00 81.21 4/14/08 4:00 65.22 4/14/08 5:00 65.02 4/14/08 6:00 70.27 4/14/08 7:00 39.604/14/08 8:00 15.59

4/14/08 9:00 16.99 4/14/08 10:00 -2.12 4/14/08 11:00 69.83 4/14/08 12:00 29.02 4/14/08 13:0042.35 4/14/08 14:0042.22 4/14/08 15:00 57.23 4/14/08 16:00 24.73 4/14/08 17:00 -1.16 4/14/08 18:00 25.79 4/14/08 19:00 50.30 4/14/08 20:00 69.22 4/14/08 21:00 73.50 4/14/08 22:00 192.93 4/14/08 23:00 68.71 4/15/08 0:00 76.27 4/15/08 1:00 1.07 4/15/08 2:00 117.91 4/15/08 3:0043.15 4/15/08 4:00 128.60 4/15/08 5:00 53.08 4/15/08 6:00 21.04 4/15/08 7:00 67.54 4/15/08 8:0044.67 4/15/08 9:00 29.98 4/15/08 10:00 70.89 4/15/08 11:00 19.75 4/15/08 12:00 -2.80 4/15/08 12:28Plant trip106.09 4/16/08 1:54Gauze lit 4/16/08 2:00 314.29 4/16/08 3:00 0.52 4/16/08 4:00 120.25 4/16/08 5:00 282.39 4/16/08 6:00 150.64 4/16/08 7:00 57.01 4/16/08 8:00 52.13 4/16/08 9:00 60.79 4/16/08 10:00 53.75 4/16/08 11:0048.54 4/16/08 12:00 23.26 4/16/08 13:0044.17 4/16/08 14:0043.68 4/16/08 15:00 52.15 4/16/08 16:0047.29 4/16/08 17:00 15.05 4/16/08 18:00 15.04 4/16/08 19:00 17.75 4/16/08 20:0040.03 4/16/08 21:00 19.15 4/16/08 22:00 30.614/16/08 23:00 72.31

4/17/08 0:00 57.42 4/17/08 1:00 106.48 4/17/08 2:0043.99 4/17/08 3:00 83.98 4/17/08 4:00 93.45 4/17/08 5:00 27.01 4/17/08 6:00 32.28 4/17/08 7:00 55.09 4/17/08 8:00 56.47 4/17/08 9:00 34.75 4/17/08 10:0047.26 4/17/08 11:00 36.67 4/17/08 12:00 18.89 4/17/08 13:00 66.59 4/17/08 14:00 53.86 4/17/08 15:0045.27 4/17/08 16:00 30.72 4/17/08 17:00 36.30 4/17/08 18:0044.65 4/17/08 19:0043.48 4/17/08 20:00 34.90 4/17/08 21:00 143.18 4/17/08 22:00 90.49 4/17/08 23:00 75.47 4/18/08 0:00 28.41 4/18/08 1:00 26.77 4/18/08 2:0044.71 4/18/08 3:00 142.75 4/18/08 4:00 65.86 4/18/08 5:0041.08 4/18/08 6:00 39.64 4/18/08 7:00 59.67 4/18/08 8:0048.65 4/18/08 9:0043.81 4/18/08 10:00 10.71 4/18/08 11:00 58.34 4/18/08 12:00 6.00 4/18/08 13:0042.27 4/18/08 14:00 102.38 4/18/08 15:00 58.16 4/18/08 16:00 79.77 4/18/08 17:0049.01 4/18/08 18:00 21.66 4/18/08 19:00 56.62 4/18/08 20:00 146.96 4/18/08 21:00 135.44 4/18/08 22:00 92.88 4/18/08 23:00 26.76 4/19/08 0:00 56.18 4/19/08 1:00 84.49 4/19/08 2:00 37.404/19/08 3:00 93.53

4/19/08 4:00 50.23 4/19/08 5:0044.69 4/19/08 6:0047.41 4/19/08 7:00 137.72 4/19/08 8:00 117.01 4/19/08 9:00 72.81 4/19/08 10:00 91.66 4/19/08 11:00 80.18 4/19/08 12:00 1.10 4/19/08 13:0045.39 4/19/08 14:00 59.25 4/19/08 15:00 112.14 4/19/08 16:00 77.45 4/19/08 17:00 29.80 4/19/08 18:00 65.99 4/19/08 19:00 70.38 4/19/08 20:00 84.30 4/19/08 21:00 55.00 4/19/08 22:00 58.23 4/19/08 23:00 22.17 4/20/08 0:00Plant trip43.30 4/20/08 12:48Gauze lit 4/20/08 13:00 287.63 4/20/08 14:00 84.51 4/20/08 15:00 206.14 4/20/08 16:00 248.16 4/20/08 17:00 27.16 4/20/08 18:00 1.62 4/20/08 19:00 31.11 4/20/08 20:00 129.82 4/20/08 21:00 123.48 4/20/08 22:00 26.45 4/20/08 23:00 134.98 4/21/08 0:00 82.17 4/21/08 1:00 52.80 4/21/08 2:00 76.05 4/21/08 3:00 95.63 4/21/08 4:00 37.98 4/21/08 5:00 93.11 4/21/08 6:00 53.09 4/21/08 7:00 166.32 4/21/08 8:00 91.01 4/21/08 9:00 16.60 4/21/08 10:00 60.67 4/21/08 11:00 22.33 4/21/08 12:00 63.22 4/21/08 13:00 128.92 4/21/08 14:00 62.92 4/21/08 15:00 14.91 4/21/08 16:00 3.25 4/21/08 17:00 -1.784/21/08 18:00 39.61

4/21/08 19:00 38.61 4/21/08 20:00 73.61 4/21/08 21:00 75.88 4/21/08 22:00 19.60 4/21/08 23:00 7.49 4/22/08 0:00 35.08 4/22/08 1:00 57.02 4/22/08 2:00 7.49 4/22/08 3:00 27.09 4/22/08 4:00 21.36 4/22/08 5:00 29.94 4/22/08 6:00 59.24 4/22/08 7:00 194.25 4/22/08 8:00 80.49 4/22/08 9:00 13.23 4/22/08 10:00 0.70 4/22/08 11:00 19.23 4/22/08 12:00 32.10 4/22/08 13:00 109.82 4/22/08 14:00 99.17 4/22/08 15:00 16.50 4/22/08 16:00 10.18 4/22/08 17:00 39.21 4/22/08 18:00 12.75 4/22/08 19:00 5.11 4/22/08 20:00 -3.92 4/22/08 21:00 196.50 4/22/08 22:00 214.25 4/22/08 23:00 91.69 4/23/08 0:00 25.49 4/23/08 1:00 31.54 4/23/08 2:00 61.22 4/23/08 3:00 98.78 4/23/08 4:00 102.21 4/23/08 5:00 93.32 4/23/08 6:004.65 4/23/08 7:00 36.20 4/23/08 8:00 63.12 4/23/08 9:00 71.72 4/23/08 10:00 62.36 4/23/08 11:00 61.65 4/23/08 12:00 71.60 4/23/08 13:00 70.90 4/23/08 14:00 64.02 4/23/08 15:00 8.96 4/23/08 16:00 81.79 4/23/08 17:0049.17 4/23/08 18:00 51.51 4/23/08 19:00 30.61 4/23/08 20:00 19.88 4/23/08 21:00 30.554/23/08 22:00 58.70

4/23/08 23:00 153.85 4/24/08 0:00 38.92 4/24/08 1:00 153.47 4/24/08 2:00 67.52 4/24/08 3:00 -1.94 4/24/08 4:00 -2.79 4/24/08 5:00 19.86 4/24/08 6:00 23.63 4/24/08 7:00 91.21 4/24/08 8:00 230.63 4/24/08 9:00 189.35 4/24/08 10:00 62.74 4/24/08 11:00 -0.74 4/24/08 12:00 53.14 4/24/08 13:00 106.09 4/24/08 14:00 52.90 4/24/08 15:00 6.33 4/24/08 16:00 16.77 4/24/08 17:004.68 4/24/08 18:00 -1.17 4/24/08 19:00 13.87 4/24/08 20:00 31.00 4/24/08 21:00 82.88 4/24/08 22:00 11.93 4/24/08 23:00 -1.68 4/25/08 0:00 11.54 4/25/08 1:00 -1.73 4/25/08 2:00 70.36 4/25/08 3:00 154.55 4/25/08 4:00 39.72 4/25/08 5:00 36.24 4/25/08 6:00 98.05 4/25/08 7:00 73.41 4/25/08 8:00 18.43 4/25/08 9:00 38.71 4/25/08 10:00 167.40 4/25/08 11:00 105.15 4/25/08 12:00 52.22 4/25/08 13:00 17.48 4/25/08 14:00 58.86 4/25/08 15:00 38.48 4/25/08 16:00 80.01 4/25/08 17:00 70.28 4/25/08 18:00 13.14 4/25/08 19:00 15.63 4/25/08 20:00 29.47 4/25/08 21:00 14.11 4/25/08 22:00 19.14 4/25/08 23:00 -2.33 4/26/08 0:00 39.00 4/26/08 1:00 21.154/26/08 2:00 156.26

4/26/08 3:00 99.51 4/26/08 4:0046.44 4/26/08 5:00 54.24 4/26/08 6:00 21.77 4/26/08 7:00 11.09 4/26/08 8:00 39.73 4/26/08 9:00 136.57 4/26/08 10:00 61.84 4/26/08 11:00 101.04 4/26/08 12:00 86.97 4/26/08 13:00 7.68 4/26/08 14:00 29.54 4/26/08 15:00 3.74 4/26/08 16:00 25.47 4/26/08 17:00 57.56 4/26/08 18:00 8.02 4/26/08 19:00 6.59 4/26/08 20:00 -3.20 4/26/08 21:00 -0.42 4/26/08 22:004.56 4/26/08 23:00 2.74 4/27/08 0:00 10.81 4/27/08 1:004.01 4/27/08 2:00 20.20 4/27/08 3:00 6.26 4/27/08 4:0041.13 4/27/08 5:00 81.73 4/27/08 6:00 85.73 4/27/08 7:00 78.54 4/27/08 8:00 94.82 4/27/08 9:00 83.80 4/27/08 10:00 25.21 4/27/08 11:0046.74 4/27/08 12:00 32.22 4/27/08 13:00 112.42 4/27/08 14:00 85.34 4/27/08 15:00 8.31 4/27/08 16:00 9.94 4/27/08 17:00 11.71 4/27/08 18:00 6.21 4/27/08 19:00 2.89 4/27/08 20:00 7.65 4/27/08 21:00 31.05 4/27/08 22:00 29.96 4/27/08 23:00 76.77 4/28/08 0:0045.98 4/28/08 1:0041.34 4/28/08 2:0045.07 4/28/08 3:00 78.93 4/28/08 4:0043.66 4/28/08 5:00 51.164/28/08 6:00 101.65

4/28/08 7:00 133.76 4/28/08 8:00 94.55 4/28/08 9:00 30.37 4/28/08 10:00 24.55 4/28/08 11:00 15.36 4/28/08 12:00 11.61 4/28/08 13:00 37.55 4/28/08 14:00 22.13 4/28/08 15:00 29.34 4/28/08 16:004.92 4/28/08 17:00 2.08 4/28/08 18:00 -2.00 4/28/08 19:00 15.24 4/28/08 20:00 53.39 4/28/08 21:00 51.34 4/28/08 22:00 62.98 4/28/08 23:00 92.12 4/29/08 0:00 101.53 4/29/08 1:00 57.02 4/29/08 2:00 92.58 4/29/08 3:00 22.95 4/29/08 4:00 17.74 4/29/08 5:00 17.86 4/29/08 6:00 31.33 4/29/08 7:00 53.63 4/29/08 8:00 52.31 4/29/08 9:00 109.45 4/29/08 10:00 94.65 4/29/08 11:00 77.45 4/29/08 12:00 35.94 4/29/08 13:00 56.24 4/29/08 14:00 105.37 4/29/08 15:00 57.53 4/29/08 16:00 37.16 4/29/08 17:00 27.71 4/29/08 18:00 28.50 4/29/08 19:0044.19 4/29/08 20:00 60.77 4/29/08 21:00 65.26 4/29/08 22:00 106.24 4/29/08 23:00 102.83 4/30/08 0:0047.49 4/30/08 1:00 28.34 4/30/08 2:00 26.77 4/30/08 3:00 29.56 4/30/08 4:00 33.96 4/30/08 5:00 29.40 4/30/08 6:00 36.48 4/30/08 7:0049.55 4/30/08 8:00 56.81 4/30/08 9:00 139.064/30/08 10:00 58.42

4/30/08 11:00 82.79 4/30/08 12:00 158.75 4/30/08 13:00 146.09 4/30/08 14:00 53.34 4/30/08 15:0048.05 4/30/08 16:00 50.73 4/30/08 17:00 62.32 4/30/08 18:0048.97 4/30/08 19:00 28.21 4/30/08 20:00 25.22 4/30/08 21:00 29.63 4/30/08 22:00 29.40 4/30/08 23:0042.11 5/1/08 0:00 35.29 5/1/08 1:00 28.58 5/1/08 2:0048.83 5/1/08 3:00 66.82 5/1/08 4:00 58.61 5/1/08 5:00 62.12 5/1/08 6:00 65.39 5/1/08 7:00 5/1/08 8:00 5/1/08 9:00Not a true 3-hr avg, weighted heavily high6 mins only of the hour