GE Energy Services NetDAHS© Version 46.0

AverageAverageAverageMaximumAverageAverageAverageMaximum SO2_2SO2#mmBTU2SO2#/Hr_2SO2TonsDy2NOx_2NOx#mmBTU2NOx#/Hr_2NOxTonsDy2

Period Start: ppm #/MB #/Hr Tons ppm #/MB #/Hr Tons 03/01/2010 00:00 1048 2.233 7299 87.59 149 0.228 746 8.96 03/02/2010 00:00 1052 2.221 7254 87.05 150 0.228 744 8.93 03/03/2010 00:00 1029 2.177 7105 85.26 150 0.228 744 8.93 03/04/2010 00:00 998 2.156 6761 81.14 173 0.277 813 9.76 03/05/2010 00:00 994 2.110 6877 82.52 148 0.226 737 8.84 03/06/2010 00:00 948 2.010 6543 78.52 157 0.240 780 9.37 03/07/2010 00:00 976 2.079 6729 80.75 149 0.228 737 8.85 03/08/2010 00:00 959 2.050 6626 79.51 147 0.226 731 8.77 03/09/2010 00:00 970 2.055 6734 74.21 150 0.228 747 8.14 03/10/2010 00:00 973 2.053 6741 80.89 178 0.270 887 10.65 03/11/2010 00:00 985 2.071 6836 82.03 151 0.229 756 9.07 03/12/2010 00:00 1017 2.142 7045 84.54 149 0.226 744 8.93 03/13/2010 00:00 984 2.079 6830 81.96 149 0.227 747 8.96 03/14/2010 00:00 864 1.966 5917 68.42 172 0.329 800 9.25 03/15/2010 00:00 973 2.092 6849 78.82 149 0.230 751 8.46 03/16/2010 00:00 1011 2.183 N/A 81.23 145 0.225 N/A 8.76 03/17/2010 00:00 1039 2.246 7236 86.28 146 0.228 732 8.76 03/18/2010 00:00 1000 2.181 6973 83.68 145 0.227 727 8.73 03/19/2010 00:00 1026 2.271 7043 84.51 163 0.266 778 9.34 03/20/2010 00:00 1047 2.291 7304 87.64 145 0.228 727 8.72 03/21/2010 00:00 1033 2.255 7184 86.21 146 0.228 726 8.72 03/22/2010 00:00 1015 2.231 7111 85.33 145 0.229 729 8.75 03/23/2010 00:00 996 2.201 7011 84.13 144 0.229 729 8.75 03/24/2010 00:00 1003 2.224 7004 84.04 145 0.231 725 8.70 03/25/2010 00:00 1030 2.269 7120 83.90 165 0.263 813 10.30 03/26/2010 00:00 1024 2.266 7174 85.96 144 0.229 723 8.62 03/27/2010 00:00 996 2.173 6879 82.55 146 0.228 723 8.68 03/28/2010 00:00 1035 2.276 6386 76.63 144 0.227 638 7.65 03/29/2010 00:00 1056 2.346 7023 84.27 143 0.228 682 8.19 03/30/2010 00:00 1045 2.337 6811 81.95 141 0.227 665 7.97 03/31/2010 00:00 1015 2.263 6621 79.55 142 0.228 666 8.02 Type: Block Avg Plant: 97 River Rd. Period End: 3/31/2010 23:59 City/St: Bow, NH 03304 Validation Type: 42/60 min

Source: UNIT2 Averaging Period: 24 hr Company: PSNH Merrimack Station Period Start: 1/1/2010 00:00 Average Values Report Generated: 5/4/2010 08:28

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AverageMaximumAverageAverage CO2_2CO2Tons_2Stk_Flow_2UnitLoad_2

Period Start: % Tns/Hr kscfm MW 03/01/2010 00:00 14.02 338.23 699.3 346.2 03/02/2010 00:00 14.15337.76 692.3 346.6 03/03/2010 00:00 14.13339.76 693.2 346.3 03/04/2010 00:00 13.83336.75 677.8 332.7 03/05/2010 00:00 14.08337.77 694.6 346.0 03/06/2010 00:00 14.09336.58 692.9 345.9 03/07/2010 00:00 14.03334.81 692.4 345.8 03/08/2010 00:00 13.97 334.07 694.0 345.7 03/09/2010 00:00 14.11344.39 696.7 345.8 03/10/2010 00:00 14.17 338.80 695.4 345.8 03/11/2010 00:00 14.21341.43 697.1 345.8 03/12/2010 00:00 14.19341.52 695.5 345.7 03/13/2010 00:00 14.14 340.71 697.3 345.8 03/14/2010 00:00 12.94 338.65 666.8 305.5 03/15/2010 00:00 13.90349.82 705.6 345.8 03/16/2010 00:00 13.84 N/A 699.9 346.0 03/17/2010 00:00 13.82 335.27 699.1 345.9 03/18/2010 00:00 13.71337.62 699.8 344.8 03/19/2010 00:00 13.50333.21 685.2 333.2 03/20/2010 00:00 13.66329.65 700.3 346.0 03/21/2010 00:00 13.69330.29 698.3 345.8 03/22/2010 00:00 13.59330.02 703.6 345.8 03/23/2010 00:00 13.52 331.01 707.2 345.9 03/24/2010 00:00 13.48329.77 700.1 342.8 03/25/2010 00:00 13.56334.97 684.1 331.2 03/26/2010 00:00 13.50329.78 703.4 345.5 03/27/2010 00:00 13.70331.00 693.4 344.4 03/28/2010 00:00 13.59292.11 619.8 303.6 03/29/2010 00:00 13.45330.16 667.1 324.7 03/30/2010 00:00 13.36328.41 655.4 317.4 03/31/2010 00:00 13.41329.73 655.5 317.2 Type: Block Avg Plant: 97 River Rd. Period End: 3/31/2010 23:59 City/St: Bow, NH 03304 Validation Type: 42/60 min Source: UNIT2, CTRL Averaging Period: 24 hr Company: PSNH Merrimack Station Period Start: 1/1/2010 00:00 Average Values Report Generated: 5/4/2010 08:29

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