**Fly Ash Baseline Loadings Nondetect Sensitivity Analysis**

**Loading (Pounds/yr)** **TWPE/yr Loading**  **(Pounds/yr)** Aluminum 903,465 58,446 886,043 Ammonia (as N) 301,405 407 267,583 Antimony 22,535 276 19,523 Arsenic 56,544 228,512 53,241 Barium 160,352 319 158,211 Beryllium 3,990 4,216 2,154 Biochemical Oxygen Demand 3,022,843 03,022,843 Boron 2,230,033 18,602 2,223,181 Cadmium 6,910 159,730 6,534 Calcium 62,942,163 1,76262,942,163 Chloride 31,287,042 76231,287,042 Chromium 17,025 1,289 16,474 Cobalt 10,624 1,214 7,353 Copper 33,059 20,987 32,226 Cyanide 6,852 7,654 4,111 Fluoride 102,786 3,598 102,786 Hexane Extractable Material 5,285,933 05,285,933 Hexavalent Chromium 9,162 4,733 9,162 Iron 689,836 3,863 689,314 Lead 24,264 54,352 23,028 Magnesium 14,002,468 12,12014,002,468 Manganese 434,340 30,592 433,777 Mercury 1,020 119,510 998 Molybdenum 180,459 36,352 178,746 Nickel 28,250 3,077 26,424 Nitrate-Nitrite (as N) 2,204,770 7,055 2,194,672 Nitrogen, Total Organic (as N) 472,952 0 426,655 Oil and Grease 2,339,096 0 1,600,078 Phosphorus (as P) 214,104 0 194,027 Selenium 30,375 34,061 26,230 SGT-HEM 2,088,939 02,088,939 Silica 4,060,057 04,060,057 Silver 5,819 95,838 3,272 Sodium 70,665,468 38870,665,468 Sulfate 272,034,366 1,523272,034,366 Sulfide (as S) 548,138 1,535,578 306,517 Sulfite (as SO3) 1,494,247 0 808,306 Thallium 35,391 36,349 19,002 Tin 106,494 32,063 54,096 Titanium 21,198 622 17,111 Total Dissolved Solids 435,631,877 0435,631,877

**Analyte Proposal Methodology**  **Use Reported Value (RL or MDL) Nondetects Handled as Half of Reported Value (RL or MDL)** Total Kjeldahl Nitrogen 2,399,076 02,399,076

Total Suspended Solids 10,818,339 010,818,339 Vanadium 50,518 1,768 50,518 Yttrium 2,183 0 2,183 Zinc 93,213 4,370 81,973 **Total (including sulfide) 927,079,982** **2,521,986 925,164,080**  **Total (excluding sulfide) 926,531,845**  **986,408 924,857,563** **TWPE/yr Percent Change in**  **TWPE Compared to Proposal**  **Loading**

**(Pounds/yr) TWPE/yr** **Percent Change in TWPE Compared to**  **Proposal** 57,319 -1.9% 868,620 56,192 -3.9% 361 -11% 233,762 315 -22% 239 -13% 16,512 202 -27% 215,166 -5.8% 49,939 201,820 -12% 315 -1.3% 156,070 311 -2.7% 2,276 -46% 318 337 -92% 0 NA3,022,843 0 NA 18,545 -0.3%2,216,328 18,488 -0.6% 151,038 -5.4% 6,158 142,346 -11% 1,762 0%62,942,163 1,762 0% 762 0%31,287,042 762 0% 1,247 -3.2% 15,923 1,205 -6.5% 840 -31% 4,081 466 -62% 20,458 -2.5% 31,393 19,929 -5.0% 4,592 -40% 1,370 1,531 -80% 3,598 0% 102,786 3,598 0% 0 NA5,285,933 0 NA 4,733 0% 9,162 4,733 0% 3,860 -0.1% 688,792 3,857 -0.2% 51,582 -5.1% 21,791 48,812 -10% 12,120 0%14,002,468 12,120 0% 30,552 -0.1% 433,213 30,512 -0.3% 116,839 -2.2% 975 114,167 -4.5% 36,006 -0.9% 177,033 35,661 -1.9% 2,878 -6.5% 24,598 2,679 -13% 7,023 -0.5%2,184,573 6,991 -0.9% 0 NA 380,358 0 NA 0 NA 861,060 0 NA 0 NA 173,951 0 NA 29,413 -14% 22,085 24,764 -27% 0 NA2,088,939 0 NA 0 NA4,060,057 0 NA 53,885 -44% 724 11,932 -88% 388 0%70,665,468 388 0% 1,523 0%272,034,366 1,523 0% 858,691 -44% 64,896 181,804 -88% 0 NA 122,365 0 NA 19,517 -46% 2,613 2,684 -93% 16,287 -49% 1,699 511 -98% 502 -19% 13,024 382 -39% 0 NA435,631,877 0 NA **Nondetects Handled as Half of Reported Value (RL or MDL) Nondetects Handled as Zero** 0 NA2,399,076 0 NA 0 NA10,818,339 0 NA 1,768 0% 50,518 1,768 0% 0 NA 2,183 0 NA 3,843 -12% 70,733 3,316 -24% **1,729,929 -31%** **923,248,177 937,871**  **-63% 871,238**  **-12% 923,183,281**  **756,067 -23%** **Bottom Ash Baseline Loadings Nondetect Sensitivity Analysis**

**Loading (Pounds/yr)** **TWPE/yr Loading**  **(Pounds/yr)** Aluminum 656,043 42,440 654,630 Ammonia (as N) 266,733 360 262,909 Antimony 94,228 1,154 47,947 Arsenic 20,345 82,222 18,446 Barium 99,593 198 86,803 Beryllium 4,026 4,254 2,265 Biochemical Oxygen Demand 1,446,047 0 1,446,047 Boron 2,457,414 20,499 2,431,386 Cadmium 8,996 207,960 8,055 Calcium 197,861,684 5,540197,861,684 Chloride 55,138,528 1,34355,138,528 Chromium 16,147 1,222 14,210 Cobalt 48,607 5,555 27,560 Copper 33,459 21,241 31,764 Cyanide 1,125 1,256 675 Fluoride 16,872 591 16,872 Hexane Extractable Material 3,165,204 03,165,204 Hexavalent Chromium 2,346 1,212 2,346 Iron 2,540,387 14,226 2,540,387 Lead 39,439 88,343 39,217 Magnesium 98,643,531 85,37998,643,531 Manganese 200,681 14,135 200,681 Mercury 981 114,951 916 Molybdenum 80,659 16,248 50,619 Nickel 133,135 14,500 131,208 Nitrate-Nitrite (as N) 9,876,570 31,605 9,874,913 Nitrogen, Total Organic (as N) 3,328,220 03,154,856 Oil and Grease 3,970,634 02,050,845 Phosphorus (as P) 389,933 0 386,699 Selenium 13,195 14,796 9,067 SGT-HEM 281,196 0 281,196 Silica 666,435 0 666,435 Silver 5,124 84,389 2,653 Sodium 107,985,920 593107,985,920 Sulfate 1,183,717,674 6,6291,183,717,674 Sulfide (as S) 566,848 1,587,993 288,750 Sulfite (as SO3) 26,747,135 026,167,321 Thallium 125,945 129,352 63,270 Tin 356,640 107,375 180,235 Titanium 112,312 3,293 61,881 Total Dissolved Solids 1,284,306,163 01,284,306,163

**Analyte Proposal Methodology**  **Use Reported Value (RL or MDL) Nondetects Handled as Half of Reported Value (RL or MDL)** Total Kjeldahl Nitrogen 1,736,044 0 1,736,044

Total Suspended Solids 10,017,276 010,017,276 Vanadium 14,952 523 14,952 Yttrium 2,772 0 2,772 Zinc 99,820 4,680 98,291 **Total (including sulfide) 2,997,297,020** **2,716,059 2,993,891,100**  **Total (excluding sulfide) 2,996,730,172** **1,128,065 2,993,602,350** **TWPE/yr Percent Change in**  **TWPE Compared to Proposal**  **Loading**

**(Pounds/yr) TWPE/yr** **Percent Change in TWPE Compared to**  **Proposal** 42,349 -0.2% 653,218 42,257 -0.4% 355 -1.4% 259,084 350 -2.9% 587 -49% 1,665 20 -98% 74,547 -9.3% 16,547 66,871 -19% 173 -13% 74,012 147 -26% 2,393 -44% 503 531 -88% 0 NA 1,446,047 0 NA 20,282 -1.1%2,405,358 20,065 -2.1% 186,202 -10% 7,114 164,443 -21% 5,540 0%197,861,684 5,540 0% 1,343 0%55,138,528 1,343 0% 1,076 -12% 12,272 929 -24% 3,150 -43% 6,512 744 -87% 20,165 -5.1% 30,069 19,089 -10% 754 -40% 225 251 -80% 591 0% 16,872 591 0% 0 NA3,165,204 0 NA 1,212 0% 2,346 1,212 0% 14,226 0%2,540,387 14,226 0% 87,845 -0.6% 38,994 87,347 -1.1% 85,379 0%98,643,531 85,379 0% 14,135 0% 200,681 14,135 0% 107,323 -6.6% 851 99,696 -13% 10,197 -37% 20,578 4,145 -74% 14,290 -1.4% 129,280 14,080 -2.9% 31,600 -0.02%9,873,255 31,594 -0.03% 0 NA2,981,491 0 NA 0 NA 131,056 0 NA 0 NA 383,466 0 NA 10,167 -31% 4,938 5,537 -63% 0 NA 281,196 0 NA 0 NA 666,435 0 NA 43,701 -48% 183 3,014 -96% 593 0%107,985,920 593 0% 6,629 0%1,183,717,674 6,629 0% 808,918 -49% 10,652 29,842 -98% 0 NA25,587,506 0 NA 64,982 -50% 596 612 -100% 54,264 -49% 3,829 1,153 -99% 1,814 -45% 11,449 336 -90% 0 NA1,284,306,163 0 NA **Nondetects Handled as Half of Reported Value (RL or MDL) Nondetects Handled as Zero** 0 NA 1,736,044 0 NA 0 NA10,017,276 0 NA 523 0% 14,952 523 0% 0 NA 2,772 0 NA 4,608 -2% 96,762 4,537 -3% **1,721,910 -37%** **2,990,485,179 727,762**  **-73% 912,993**  **-19% 2,990,474,527**  **697,920 -38%**