Printed 7/28/2014 **Western Coal-fired EGU BART Determinations**

**State SIP/FIP** **Facility Unit**  **Size Boiler Type**  **Ctrl Tech Emission Rate**  **Ave CE Visibility improvement (dv)**  **Notes (MW)**  **(lb/MMBtu) ($/ton)**  **Single Class I**  **Total**

**Class I No. of** 

**Areas** AZ FIP Apache 2 175 Riley TURBO wall-fired SCR+LNB+OFA $3,450 AZ FIP Apache 3 175 Riley TURBO wall-fired SCR+LNB+OFA $2,973 AZ FIP Cholla 2 275Tangentially-fired SCR+LNB+OFA $2,979 AZ FIP Cholla 3 271Tangentially-fired SCR+LNB+OFA $2,838 AZ FIP Cholla 4 380Tangentially-fired SCR+LNB+OFA $3,083 AZ FIP Coronado 1 390 Riley TURBO wall-fired SCR+LNB+OFA $2,135 AZ FIP Coronado 2 390 Riley TURBO wall-fired SCR+LNB+OFA (existing) $1,900 CO SIP Comanche 1 325Tangentially-fired LNB (existing) 0.20

-- Table 9, 77 FR 18066. Final Rule 77 FR 76878. CO SIP Comanche 2 335Wall-fired LNB (existing) 0.20

-- Table 10, 77 FR 18066. Final Rule 77 FR 76878. CO SIP Craig 1 428Wall-fired SNCR 0.27 $4,877 0.31 Table 12, 77 FR 18068. CO SIP Craig 2 428Wall-fired SCR 0.08 $6,299 1.01 Table 13, 77 FR 18068. CO SIP Hayden 1 190Wall-fired SCR 0.08 $3,385 1.12 Table 16, 77 FR 18069. CO SIP Hayden 2 275Tangentially-fired SCR 0.07 $4,064 0.85 Table 17, 77 FR 18070. CO SIP Martin Drake 5 55 Wall-fired ULNB+OFA 0.31 $1,342 0.08 Table 21, 77 FR 18071 CO SIP Martin Drake 6 85 Wall-fired ULNB+OFA 0.32 $515 0.20 Table 22, 77 FR 18072 CO SIP Martin Drake 7 145Wall-fired ULNB+OFA 0.32 $3,233 0.26 Table 23, 77 FR 18073 MT FIP Colstrip 1 333Tangentially-fired SNCR+SOFA 0.15 $1,564 0.264 0.738 4 Tables 75 and 77, 77 FR 24027. Final Rule 77 FR 57915. MT FIP Colstrip 2 333Tangentially-fired SNCR+SOFA 0.15 $1,571 0.269 0.781 4 Tables 99 and 101, 77 FR 24034. Final Rule 77 FR 57915. MT FIP Corette 1 168Tangentially-fired LNB (existing) 0.35

-- -- Tables 123 and 125, 77 FR 24042. Final Rule 77 FR 57915. ND FIP Coal Creek 1 550Tangentially-fired SNCR+LNB+OFA $2,500

ND FIP Coal Creek 2 550Tangentially-fired SNCR+LNB+OFA $2,500

ND SIP Leland Olds 1 216Wall-fired SNCR+ basic SOFA 0.19

-- 76 FR 58593, EPA approved the state's selection of SNCR as BART for reasons unrelated to visibility improvement or cost ND SIP Leland Olds 2 440Cyclone SNCR+ASOFA 0.35 $700 ND SIP MR Young 1 277Cyclone SNCR+ASOFA 0.36 $687 Table 39, 76 FR 58609. SCR considered technically infeasible per final rule (77 FR 20894) ND SIP MR Young 2 517Cyclone SNCR+ASOFA 0.35 $703 ND SIP Stanton (lignite) 1 188Wall-fired SNCR+LNB+OFA 0.24 $3,052 1.11 Table 9, Table 10, 76 FR 58587. ND SIP Stanton (PRB) 1 188Wall-fired SNCR+LNB+OFA 0.20 $794 NM FIP San Juan 1 350Wall-fired SCR 0.05 $2,472 NM FIP San Juan 2 360Wall-fired SCR 0.05 $2,652 NM FIP San Juan 3 544Wall-fired SCR 0.05 $2,087 NM FIP San Juan 4 544Wall-fired SCR 0.05 $1,987 NN FIP Four Corners 1 170Wall-fired SCR (only, no LNB) $2,515 NN FIP Four Corners 2 170Wall-fired SCR (only, no LNB) $3,163 NN FIP Four Corners 3 220Wall-fired SCR (only, no LNB) $2,678 NN FIP Four Corners 4 750Wall-fired, cell burner SCR (only, no LNB) $2,622 NN FIP Four Corners 5 750Wall-fired, cell burner SCR (only, no LNB) $2,908 NN FIP Four Corners (Alternative) 4 750Wall-fired, cell burner SCR (only, no LNB) 76 FR 10532. Final Rule 77 FR 51620. NN FIP Four Corners (Alternative) 5 750Wall-fired, cell burner SCR (only, no LNB) NN FIP Navajo Generating Station 1 750 Dry bottom, tangentialSCR+LNB+OFA $2,011 NN FIP Navajo Generating Station 2 750 Dry bottom, tangentialSCR+LNB+OFA $2,256 NN FIP Navajo Generating Station 3 750 Dry bottom, tangentialSCR+LNB+OFA $2,464 0.13

3.11 21.69 16 9

13 0.055

0.065 1.59 6.5

1.34 7.2

0.66 3.1 0.07

0.11

11 16 Visibiltiy impacts from Table 8, 76 FR 503. Final Rule 76 FR 52388.

Table 2, 75 FR 64227. Final Rule 77 FR 51620. LNB was determined as not technically feasible.

Table 14, Table 43, Technical Support Document 5.4 35.1 2.81 23.34

0.055 0.098 Table 5, 77 FR 72538 (Final Rule). Visibility from Table 17, 77 FR 42858 (Proposal) Table 12, 77 FR 72548 (Final Rule). Visibility from Table 20, 77 FR 42861 (Proposal)
Table 17, 77 FR 72560 (Final Rule). Visibility from Table 23, 77 FR 42864 (Proposal)

16 1.51 Tables 56 and 63, 76 FR 58622. Emission limit from final rule, 77 FR 20894. Note that the visibility modeling for Coal Creek Units 1 and 2 included the effects SO2 control in addition to the noted NOX control.

NOx Controls Page 1 of 2Printed 7/28/2014 **Western Coal-fired EGU BART Determinations**

**State SIP/FIP** **Facility Unit**  **Size Boiler Type**  **Ctrl Tech Emission Rate**  **Ave CE Visibility improvement (dv)**  **Notes (MW)**  **(lb/MMBtu) ($/ton)**  **Single Class I**  **Total**

**Class I No. of** 

**Areas** NV FIP Reid Gardner 1 100Wall-fired SNCR+LNB+OFA 0.20 $1,077 Visibility improvement from Table 5, 77 FR 21903 (ROFA w/ Rotamix) NV FIP Reid Gardner 2 100Wall-fired SNCR+LNB+OFA 0.20 $1,010 Cost data from TSD Appendix A, EPA-R09-OAR-2011-0130 NV FIP Reid Gardner 3 100Wall-fired SNCR+LNB+OFA 0.20 $1,540 Emission limit from final rule, 77 FR 50952 OK SIP Muskogee 4 572Tangentially-fired LNB+OFA 0.15 $270 76 FR 16180, EPA-R06-OAR-2010-0190-0005 (TSD, Appendix B) OK SIP Muskogee 5 572Tangentially-fired LNB+OFA 0.15 $270 OK SIP Sooner 1 570Tangentially-fired LNB+OFA 0.15 $233 76 FR 16180, EPA-R06-OAR-2010-0190-0005 (TSD, Appendix B) OK SIP Sooner 2 570Tangentially-fired LNB+OFA 0.15 $233 OK SIP Northeastern 3 450Tangentially-fired LNB+OFA 0.15 $313 76 FR 16180, EPA-R06-OAR-2010-0190-0005 (TSD, Appendix B) OK SIP Northeastern 4 450Tangentially-fired LNB+OFA 0.15 $313 OR SIP Boardman 1 584 Dry-bottom, opposing-wall fired LNB+OFA 0.23 $1,263 1.44 SCR found not cost-effective at $8,337/ton, due to shutdown by 2020 SD SIP Big Stone 1 475 Cyclone SCR+SOFA 0.1 $825 76 FR 76646 (proposal), 77 FR 24845 (final). LNB found not technically feasible. WA SIP Centralia 1 670Tangentially-fired SNCR+ Flex Fuel 0.21 $2,162 2 77 FR 30471 (proposal),77 FR 72742 (final). SCR found not cost-effective at $8-14,000/ton, due to required shutdown of one unit by 2020, one by 2025

WA SIP Centralia 2 670Tangentially-fired SNCR 0.21 $2,162 WY FIP Laramie River 1 565Wall-fired SCR+LNB+OFA 0.07 $4,461 0.57 4 Table 2, 79 FR 5039. WY FIP Laramie River 2 570Wall-fired SCR+LNB+OFA 0.07 $4,424 0.53 4 Table 3, 79 FR 5040. WY FIP Laramie River 3 570Wall-fired SCR+LNB+OFA 0.07 $4,375 0.52 4 Table 4, 79 FR 5040. WY FIP Dave Johnston 3 220Cell burner SCR + LNB+OFA 0.07 $2,635 0.51 5 Table 10, 79 FR 5042. Assuming 20 year life. WY FIP Dave Johnston 3 220Cell burner LNB + OFA 0.28 $644 0.33 5 Table 9, 79 FR 5042. Assuming 9 year life. WY SIP Dave Johnston 4 330Tangentially-fired LNB + OFA 0.28 $246 0.41 5 Table 11, 79 FR 5042. WY SIP Jim Bridger 1 530Tangentially-fired LNB+SOFA 0.07 $256 0.27/0.37 9 Table 5, 79 FR 5040. SCR in LTS. First dv = SCR varying NH3. WY SIP Jim Bridger 2 530Tangentially-fired LNB+SOFA 0.07 $308 0.27/0.36 9 Table 6, 79 FR 5040. SCR in LTS. Second dv = SCR 0.5 ppb NH3. WY SIP Jim Bridger 3 530Tangentially-fired LNB+SOFA 0.07 $315 0.26/0.35 9 Table 7, 79 FR 5041. SCR in LTS. WY SIP Jim Bridger 4 530Tangentially-fired LNB+SOFA 0.07 $281 0.45/0.42 9 Table 8, 79 FR 5041. SCR in LTS. WY FIP Wyodak 1 335Wall-fired SCR+LNB+OFA 0.07 $4,036 0.61 2 Table 15, 79 FR 5044. WY SIP Naughton 1 160Tangentially-fired LNB+OFA 0.26 $426 0.33/0.39 7 Table 12, 79 FR 5043. First dv = SCR varying NH3. WY SIP Naughton 2 210Tangentially-fired LNB+OFA 0.26 $357 0.42/0.46 7 Table 13, 79 FR 5043. Second dv = SCR 0.5 ppb NH3. WY SIP Naughton 3 330Tangentially-fired SCR+LNB+OFA 0.07 $2,830 0.49/0.60 7 Table 14, 79 FR 5043. In lieu of switch to NG. 0.62 1.41 4

4

1.69 4 0.28

0.71 0.31 1.02

NOx Controls Page 2 of 2