### Table 1. Summary of Emissions from the FCPP SCR Project (accounting for commenter’s calculation of previously accommodated emissions) NOx SO2 PM PM10 ABaseline Emission Rate 24,029 8,373 644 801 BPreviously Accommodated Emission Rate1 27,004 9,411 721 902
CPreviously Accommodated Emissions (B-A) 2,975 1,038 77 100
DProjected Actual Emission Rate (includes growth in demand)2 5,701 10,018 768 1,292
EProject Emission Increase (D-A) -18,328 1,645 124 490 FProject Emission Increases, excluding previously accommodated emissions (E-C) -21,303 607 47 390
Significant Emissions Rate 40 40 25 15 **Significant Emission Increase? No**  **Yes Yes**  **Yes** 1This emission rate corresponds to the 'previously accommodated' capacity factors asserted by the commenter. (86% for Unit 4, 83% for Unit 5) 2This emission rate corresponds to the capacity factor projected by APS in 2021 (89.35%), and also includes the demand associated with new emission controls



### Contemporaneous Emissions Increases and Decrease Emission Unit NOx SO2 PM PM10 Units 1-3 -14,921 -3,110 -254 -519 Auxiliary Boiler 3.51 0.05 0.96 0.96 **Totals -14,918**  **-3,110 -253**  **-518**

**Table 2. Summary of PSD Applicability Determination for the FCPP SCR Project (accounting for commenter’s calculation of previously accommodated emissions)** NOx SO2 PM PM10 ASignificant emissions increases from the Project -21,303 607 47 390 BCombined Contemporaneous Emissions Decreases -14,918 -3,110 -253 -518 CSignificant net emissions -36,220 -2,503 -206 -128 DSignificant emission rate 40 40 25 15 **PSD Applicable No**  **No No**  **No**



### CF1 **(MMBtu/yr) CF1**  **(MMBtu/yr)** ABaseline Actual1 0.749 48,645,084 0.749 48,613,223 BPreviously Accommodated2 0.856 55,584,812 0.828 53,721,598 CProjected Actual1 0.896 58,178,144 0.896 58,178,144 DProject Increase (C-B) 2,593,332 4,456,546 **Unit 4 Unit 5** 

### 1 Includes demand growth and power demand due to new emission controls

Annual capacity factors based on the following max potential heat duty: 7,411MMBtu/hr 64,920,360MMBtu/yr 2 Annual capacity factors per commenter's estimate. Annual heat duty estimated per max potential heat duty from Note 1 above

**Pollutant Unit 4**  **Unit 5 Basis** 

**Baseline Actual Emission Factors** NOX 0.4941 0.4941Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined SO2 0.1722 0.1722Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined PM 0.0132 0.0132Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined PM10 0.0165 0.0165Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined PM2.5 0.0113 0.0113Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined CO 0.0297 0.0297Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined VOC 1.19E-04 1.19E-04EPRI emission factor, per Table A-1.1, April 2014 PSD permit application H2SO4 0.00029 0.00029Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined Lead 2.36E-06 2.36E-06EPRI emission factor, per Table A-1.1, April 2014 PSD permit application CO2e 207 207 Average emission rate from baseline actual emissions, Units 4 and 5 combined
**Projected Actual Emission Factors** NOX 0.098 0.098 BART FIP, 30-day rolling average SO2 Unchanged from baseline actual emission factors PM Unchanged from baseline actual emission factors PM10 0.0222 0.0222Per Table A-3, April 2014 PSD permit application; includes SAM as particulate matter PM2.5 0.0163 0.0163Per Table A-3, April 2014 PSD permit application; includes SAM as particulate matter CO Unchanged from baseline actual emission factors VOC Unchanged from baseline actual emission factors H2SO4 0.00435 0.00435Proposed BACT limit Lead Unchanged from baseline actual emission factors CO2e Unchanged from baseline actual emission factors
Previously Accommodated Emissions (TPY), using baseline actual emission factors Emission Unit NOx SO2 PM PM10 

### Unit 4 13,732 4,786 367 459 Unit 5 13,272 4,625 355 443 **Total 27,004**  **9,411 721**  **902**

Projected Actual (includes demand growth) Emission Unit NOx SO2 PM PM10 

### Unit 4 2,851 5,009 384 646 Unit 5 2,851 5,009 384 646 **(lb/MMBtu)**

### Total **5,701 10,018**  **768 1,292** 

### Table 1. Summary of Emissions from the FCPP SCR Project (accounting for commenter’s calculation of previously accommodated emissions)

PM2.5 CO VOC H2SO4 Lead GHGs (CO2e) 550 1,444 5.79 14.10 0.115 10,058,133
618 1,623 6.50 15.85 0.129 11,304,034

68 179 0.71 2 0.014 1,245,901

948 1,727 6.92 253 0.137 12,033,176
398 283 1.13 239 0.022 1,975,043

331 105 0.42 237 0.008 729,142

10 100 40 7 0.6 75,000 **Yes Yes**  **No Yes**  **No Yes**  This emission rate corresponds to the 'previously accommodated' capacity factors asserted by the commenter. (86% for Unit 4, 83% for Unit 5) This emission rate corresponds to the capacity factor projected by APS in 2021 (89.35%), and also includes the demand associated with new emission controls

PM2.5 CO VOC H2SO4 Lead GHGs (CO2e) -492 -627 -75 -1.25 -11.2 -4,459,671 0.96 3.56 0.48 0.00 0 11,549 Per 4/5/2012 limited boiler permit application **-491 -623**  **-74.71 -1.25**  **-11.15 -4,448,122** 

**Table 2. Summary of PSD Applicability Determination for the FCPP SCR Project (accounting for commenter’s calculation of previously accommodated emissions)** PM2.5 CO VOC H2SO4 Lead GHGs (CO2e) 331 105 0.42 237.23 0.008 729,142 -491 -623 -75 -1.25 -11.15 -4,448,122 -160 -518 -74 235.98 -11.14 -3,718,980 10 100 40 7 0.6 75,000 **No No**  **No Yes**  **No No** 



### CF1 **(MMBtu/yr)** 0.749 97,258,307 0.842 109,306,410 0.896 116,356,289

7,049,879 **Total**

### 2 Annual capacity factors per commenter's estimate. Annual heat duty estimated per max potential heat duty from Note 1 above

Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined EPRI emission factor, per Table A-1.1, April 2014 PSD permit application Baseline factors per Table A-1.2, April 2014 PSD permit application; Units 4 and 5 combined EPRI emission factor, per Table A-1.1, April 2014 PSD permit application Average emission rate from baseline actual emissions, Units 4 and 5 combined

BART FIP, 30-day rolling average

Per Table A-3, April 2014 PSD permit application; includes SAM as particulate matter Per Table A-3, April 2014 PSD permit application; includes SAM as particulate matter

PM2.5 CO VOC H2SO4 Lead GHGs (CO2e) 

### 314 825 3 8 0.066 5,746,393 304 797 3 8 0.063 5,557,641 **618 1,623**  **7 16**  **0.129 11,304,034** 

PM2.5 CO VOC H2SO4 Lead GHGs (CO2e) 

### 474 864 3 127 0.069 6,014,493 474 864 3 127 0.069 6,018,682

### 948 **1,727 7**  **253 0.137** **12,033,176**Per 4/5/2012 limited boiler permit application