Cholla units 2, 3, and 4

**Table 2. Control Options (per EPA Region 9) and Corresponding Emission Reductions Relative to Base Used in Visibility Modeling All Units**  **All Units**

Controls **Technology Used**  **-Emissions**

**(TPY, max day) Technology** 

**Used** **-Emissions**

**(TPY, max day) Technology** 

**Used** **-Emissions**

**(TPY, max day) -Emissions** 

**(TPY, annual av)**  **$/year**
**Pre-LNB SOFA Base**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0Pre-LNB + SOFA 0 0 $0 **Pre-LNB SNCR Ctrl-1**  PreLNB SNCR 929PreLNB SNCR 871PreLNB SNCR 1082 2882 $8,564,847 **Pre-LNB SCR Ctrl-2**  PreLNB SCR 2606PreLNB SCR 2332PreLNB SCR 2913 7851$27,858,991 **Pre-LNB SNCR u.4 Ctrl-3**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0PreLNB SNCR 1082 1082 $3,284,409 **Pre-LNB SCR u.4 Ctrl-4**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0PreLNB SCR 2913 2913$10,781,102 **Pre-LNB SNCR u.3 Ctrl-5**  Pre-LNB + SOFA 0PreLNB SNCR 871Pre-LNB + SOFA 0 871 $2,607,329 **Pre-LNB SCR u.3 Ctrl-6**  Pre-LNB + SOFA 0PreLNB SCR 2332Pre-LNB + SOFA 0 2332 $8,842,201 **Pre-LNB; SO2cor Basecorr** Pre-LNB+SO2corr 0PreLNB + SO2c 0PreLNB + SO2c 0 0 $0 **Pre-LNB SCR SO2c CTRL2**  PreLNB SCR SO2c 2606PreLNB SCR SO2c 2332PreLNB SCR SO2c 2913 7851$27,858,991 **Post-LNB SO2cor Rev Base** Post-LNB+SO2corr 0Post-LNB+SO2corr 0Post-LNB+SO2corr 0 0 $0 **Post-LNB SNCR SO2c**

**CTRL1_R**PostLNB SNCR SO2c 867PostLNB SNCR SO2c 871PostLNB SNCR SO2c1082 2820 $8,436,045 **PoLN SCR 84%CE, SO2c**

**CTRL2_R**PostLNB SCR 84% CE;SO2c 2428PostLNB SCR SO2c 2332PostLNB SCR SO2c 2913 7673$27,741,193 **PoLN SCR 83%CE, SO2c**

**ctrl2-r2**PostLNB SCR 83% CE;SO2c 2400PostLNB SCR SO2c 2332PostLNB SCR SO2c 2913 7645$27,736,569
**Table 3(a). Original NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version 5/29/12**Table 3(b). Updated NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version6/19/12

SNCR SCR SNCR SCR SNCR SCR SNCR SCR SNCR SCR SNCR SCR Capacity Factor 74% 74% 75% 75% 72% 72% Capacity Factor 74% 74% 75% 75% 72% 72% Control Efficiency 30% 84% 30% 80% 30% 81% Control Efficiency 30% 83%* 30% 80% 30% 81%*Addt'l 1% CE on Unit 2 SCR **Uncontrolled Rate Uncontrolled Rate**  NOx Rate (lb/hr) 955 955 884 884 1144 1144 NOx Rate (lb/hr) 892 892 884 884 1144 1144 NOx Rate (lb/MMBtu) 0.32 0.32 0.25 0.25 0.26 0.26 NOx Rate (lb/MMBtu) 0.295 0.295 0.25 0.25 0.26 0.26 NOx (TPY) 3096 3096 2904 2904 3607 3607 NOx (TPY) 2890 2890 2904 2904 3607 3607 **Controlled Rate Controlled Rate**  NOx Rate (lb/hr) 669 151 619 174 801 220 NOx Rate (lb/hr) 624 151 619 174 801 220 NOx Rate (lb/MMBtu) 0.22 0.05 0.18 0.05 0.18 0.05 NOx Rate (lb/MMBtu) 0.21 0.05 0.18 0.05 0.18 0.05 NOx (TPY) 2167 490 2033 572 2525 694 NOx (TPY) 2023 490 2033 572 2525 694
**Tons/Year Removed** 929 2606 871 2332 1082 2913 **Tons/Year Removed** 867 2400 871 2332 1082 2913
**Total Cost, $/year** $2,673,109$8,235,688$2,607,329$8,842,201$3,284,409$10,781,102 **Total Cost, $/year**$2,544,307$8,113,266$2,607,329$8,842,201$3,284,409$10,781,102$8,117,890per ATP 6/23/12 **$/Ton** $2,878 $3,160 $2,993 $3,792 $3,035 $3,700 **$/Ton** $2,935 $3,308 $2,993 $3,792 $3,035 $3,700 **$/Ton (incremental)** $2,878 $3,317 $2,993 $4,268 $3,035 $4,094 **$/Ton (incremental)** $2,935 $3,632 $2,993 $4,268 $3,035 $4,094

Cholla units 2, 3, and 4 draft UNC results, 2012-04-30

visibility method 6, annual average background Using dv from area with highest impact (13 areas)

Controls **Control**

**Option ton/yr** 

**reduction cost, $/yr** 

**(millions) $/ton** 

**reduction visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY** 

**(x 1000) $/dv** 

**(millions)**# areas w/

improvement ≥ 0.5 dv **Pre-LNB SOFA Base**  0 $0.0 4.6 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 $2,972 4.3 0.39 0.135 $22 0 **Pre-LNB SCR Ctrl-2**  7851 $27.9 $3,548 3.8 0.83 0.105 $34 5 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 $3,035 4.5 0.12 0.113 $27 0 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 $3,701 4.3 0.38 0.130 $28 0 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 $2,993 4.5 0.11 0.123 $24 0 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 $3,792 4.4 0.29 0.126 $30 0 **Pre-LNB; SO2cor Basecorr**  0 $0.0 4.0 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 $3,548 2.7 1.24 0.158 $22 7 **Post-LNB SO2cor Rev Base**  0 $0.0 3.7 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 $2,992 3.3 0.36 0.127 $24 0 **PoLN SCR 84%CE, SO2c**

**CTRL2_R** 7673 $27.7 $3,616 2.7 1.04 0.135 $27 4 **PoLN SCR 83%CE, SO2c**

**Ctrl2-r2** 7645 $27.7 $3,628 2.7 1.03 0.135 $27 4
(same tons & costs as above) Using dv sum over all areas (13 areas)

Controls **Control**

**Option ton/yr** 

**reduction cost, $/yr** 

**(millions) $/ton** 

**reduction visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY** 

**(x 1000) $/dv** 

**(millions) Pre-LNB SOFA**  **Base** 0 $0.0 24.3 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 $2,972 22.0 2.31 0.800 $3.7 **Pre-LNB SCR Ctrl-2**  7851 $27.9 $3,548 18.4 5.85 0.745 $4.8 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 $3,035 23.3 0.93 0.858 $3.5 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 $3,701 22.0 2.31 0.792 $4.7 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 $2,993 23.5 0.76 0.877 $3.4 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 $3,792 22.4 1.91 0.819 $4.6 **Pre-LNB; SO2cor Basecorr**  0 $0.0 16.8 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 $3,548 9.8 7.01 0.893 $4.0 **Post-LNB SO2cor Rev Base**  0 $0.0 15.1 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 $2,992 13.0 2.07 0.734 $4.1 **PoLN SCR 84%CE, SO2c**

**CTRL2_R** 7673 $27.7 $3,616 9.5 5.65 0.736 $4.9 **PoLN SCR 83%CE, SO2c**

**Ctrl2-r2** 7645 $27.7 $3,628 9.5 5.62 0.735 $4.9 **Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx Control**  **Option Unit 2**  **Unit 3 Unit 4** 

**Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx**

## Cholla units 2, 3, and 4

visibility method 6, annual average background (this page edited from vis6.annav sheet) **Table 1(a). Visibility Impairment (98** **th Percentile) for 2001-2003 Base Case Emissions and Control Options** 

Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 BasecorrCTRL2Rev BaseCtrl1_R

CIA**Class I Area** Pre-LNB SOFA Pre-LNB

SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4Pre-LNB

SNCR u.3Pre-LNB

SCR u.3Pre-LNB;

SO2corPre-LNB

SCR SO2cPost-LNB

SO2corPost-LNB

SNCR SO2c

careCapitol Reef 1.83 1.52 1.16 1.71 1.52 1.74 1.58 1.31 0.59 1.16 0.97 galiGaliuro 0.79 0.71 0.66 0.74 0.71 0.75 0.72 0.44 0.29 0.42 0.36 gilaGila 1.28 1.25 1.06 1.27 1.25 1.27 1.26 0.62 0.43 0.55 0.48 grcaGrand Canyon 2.67 2.28 1.84 2.55 2.29 2.56 2.37 1.94 0.96 1.73 1.45

mazaMazatzal 1.88 1.73 1.46 1.80 1.73 1.82 1.73 1.18 0.72 1.07 0.91

meveMesa Verde 1.48 1.27 0.99 1.39 1.27 1.41 1.32 1.06 0.49 0.92 0.75

mobaMount Baldy 1.61 1.49 1.27 1.59 1.49 1.59 1.53 1.06 0.57 0.90 0.77 pefoPetrified Forest **4.57** 4.35 3.80 4.45 4.35 4.47 4.35 3.96 2.72 3.70 3.34 pimoPine Mountain 1.45 1.34 1.14 1.38 1.34 1.39 1.34 0.84 0.51 0.76 0.66 saguSaguaro 0.71 0.65 0.56 0.68 0.65 0.69 0.65 0.32 0.24 0.30 0.28 sianSierra Ancha 2.11 1.84 1.58 2.02 1.84 2.01 1.84 1.35 0.79 1.21 1.07 supeSuperstition 1.94 1.81 1.50 1.90 1.81 1.91 1.85 1.30 0.75 1.18 1.01 sycaSycamore Canyon 1.97 1.74 1.41 1.88 1.74 1.90 1.82 1.39 0.67 1.21 0.98 **Total** 24.28 21.97 18.43 23.35 21.97 23.51 22.37 16.76 9.75 15.10 13.03 **Max** 4.57 4.35 3.80 4.45 4.35 4.47 4.35 3.96 2.72 3.70 3.34 **# CIAs w.****-dv >0.5** 13 13 13 13 13 13 13 11 9 11 10
**Table 4(a). Control Option Visibility Benefits (dv/thousand TPY)*** **Class I Area** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_RCtrl2-r2

CIA Pre-LNB SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4 Pre-LNB

SNCR u.3Pre-LNB

SCR u.3 Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2c PoLN SCR

83%CE, SO2c

careCapitol Reef 0.107 0.085 0.109 0.107 0.104 0.105 0.091 0.070 0.079 0.079 galiGaliuro 0.028 0.017 0.043 0.028 0.041 0.032 0.019 0.019 0.017 0.017 gilaGila 0.010 0.028 0.009 0.011 0.011 0.008 0.025 0.023 0.017 0.017 grcaGrand Canyon 0.135 0.105 0.113 0.130 0.123 0.126 0.125 0.099 0.105 0.105

mazaMazatzal 0.052 0.054 0.070 0.051 0.063 0.062 0.058 0.056 0.047 0.047

meveMesa Verde 0.072 0.062 0.080 0.072 0.072 0.068 0.072 0.059 0.060 0.060 mobaMount Baldy 0.043 0.044 0.019 0.043 0.023 0.033 0.062 0.046 0.045 0.045 pefoPetrified Forest 0.077 0.098 0.108 0.076 0.115 0.094 0.158 0.127 0.135 0.135 **98 th** **Percentile****-dv**

pefoPetrified Forest 0.077 0.098 0.108 0.076 0.115 0.094 0.158 0.127 0.135 0.135 pimoPine Mountain 0.036 0.039 0.058 0.035 0.059 0.043 0.042 0.037 0.032 0.033 saguSaguaro 0.022 0.019 0.034 0.022 0.032 0.026 0.009 0.005 0.007 0.007 sianSierra Ancha 0.096 0.068 0.086 0.095 0.114 0.118 0.071 0.050 0.057 0.057 supeSuperstition 0.043 0.055 0.040 0.044 0.037 0.037 0.070 0.061 0.060 0.060 sycaSycamore Canyon 0.078 0.071 0.088 0.078 0.083 0.066 0.092 0.082 0.074 0.074 **Average** 0.062 0.057 0.066 0.061 0.067 0.063 0.069 0.056 0.057 0.057 **dv_sum/TPY** 0.800 0.745 0.858 0.792 0.877 0.819 0.893 0.734 0.736 0.735 **dv_max/TPY** 0.135 0.105 0.113 0.130 0.123 0.126 0.158 0.127 0.135 0.135 

### *Uses the formula: dv/thousand TPY = 1000 *(dv change relative to base) / (TPY reduction relative to base)
**Table 5(a). Control Option Cost Effectiveness (million $/dv)†** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_RCtrl2-r2

CIA Pre-LNB SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4 Pre-LNB

SNCR u.3Pre-LNB

SCR u.3 Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2c PoLN SCR

83%CE, SO2c

careCapitol Reef 28 42 28 35 29 36 39 43 46 46 galiGaliuro 104 211 71 133 72 119 190 156 217 217 gilaGila 306 128 328 348 261 491 144 128 209 212 grcaGrand Canyon 22 34 27 28 24 30 28 30 34 34

mazaMazatzal 57 66 43 72 47 61 61 53 77 78

meveMesa Verde 41 57 38 51 41 56 49 51 60 61 mobaMount Baldy 69 81 156 86 130 113 57 65 80 80 pefoPetrified Forest 39 36 28 49 26 40 22 24 27 27 pimoPine Mountain 83 91 52 105 51 88 85 80 111 111 saguSaguaro 134 183 89 168 93 145 387 649 504 504 sianSierra Ancha 31 52 35 39 N/A 32 50 60 64 64 supeSuperstition 69 64 76 84 81 102 51 49 60 60 sycaSycamore Canyon 38 50 35 47 36 57 39 37 49 49 **$/dv_sum** 3.7 4.8 3.5 4.7 3.4 4.6 4.0 4.1 4.9 4.9 **$/dv_max** 22.0 33.8 26.9 28.4 24.4 30.1 22.5 23.6 26.8 26.9 **Class I Area**†

### $/dv = $ per year from Table 3 divided by delta dv from Table 1(a) for each control option, in millionsCtrl2_R ctrl2-r2 BasecorrRev Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R

PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c Pre-LNB;

SO2corPost-LNB

SO2corPre-LNB

SNCRPre-LNB SCRPre-LNB SNCR u.4Pre-LNB SCR

u.4 Pre-LNB

SNCR u.3Pre-LNB SCR

u.3 Pre-LNB SCR

SO2c Post-LNB

SNCR SO2c 0.56 0.56 0.00 0.00 0.31 0.67 0.12 0.31 0.09 0.24 0.71 0.20 0.29 0.29 0.00 0.00 0.08 0.13 0.05 0.08 0.04 0.07 0.15 0.05 0.41 0.42 0.00 0.00 0.03 0.22 0.01 0.03 0.01 0.02 0.19 0.07 0.92 0.92 0.00 0.00 0.39 0.83 0.12 0.38 0.11 0.29 0.98 0.28 0.71 0.71 0.00 0.00 0.15 0.42 0.08 0.15 0.05 0.15 0.46 0.16 0.46 0.46 0.00 0.00 0.21 0.49 0.09 0.21 0.06 0.16 0.57 0.17 0.56 0.56 0.00 0.00 0.12 0.34 0.02 0.13 0.02 0.08 0.49 0.13 2.67 2.67 0.00 0.00 0.22 0.77 0.12 0.22 0.10 0.22 **1.24 0.36**  0.51 0.51 0.00 0.00 0.10 0.31 0.06 0.10 0.05 0.10 0.33 0.11 0.24 0.24 0.00 0.00 0.06 0.15 0.04 0.06 0.03 0.06 0.07 0.01 0.77 0.78 0.00 0.00 0.28 0.53 0.09 0.28 0.10 0.28 0.56 0.14 0.72 0.72 0.00 0.00 0.13 0.43 0.04 0.13 0.03 0.09 0.55 0.17 0.64 0.64 0.00 0.00 0.23 0.56 0.10 0.23 0.07 0.16 0.72 0.23 9.45 9.48 2.31 5.85 0.93 2.31 0.76 1.91 7.01 2.07 2.67 2.67 0.39 0.83 0.12 0.38 0.11 0.29 1.24 0.36 9 9 0 5 0 0 0 0 7 0 Number of Class I Areas with visibility improvement≥ 0.5 dv **Change relative to base (dv)**

3.00 3.50 4.00 4.50 

# Cholla: 98th Percentile**Visibility Impairment, IMPROVE Method 6, Ann. A vg. Bkgd.** 

average of all area's (dv/annual TPY) 

### (sum of dv benefits over all areas) / (annual TPY) (max dv benefit of any area) / (annual TPY)

($/yr) / (sum of dv benefits over all areas) ($/yr) / (max dv benefit of any area) Capitol ReefGaliuro Gila Grand Canyon Basecorr Pre

-LNB; SO2cor 1.31 0.44 0.62 1.94 CTRL2 Pre

-LNB SCR SO2c 0.59 0.29 0.43 0.96 Rev Base Post

-LNB SO2cor 1.16 0.42 0.55 1.73 Ctrl1_R Post

-LNB SNCR SO2c 0.97 0.36 0.48 1.45 Ctrl2_R PoLN SCR 84%CE, SO2c 0.56 0.29 0.41 0.92 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.56 0.29 0.42 0.92 0.00 0.50 1.00 1.50 2.00 2.50 3.00**V i** **s i** **b i** **l i** **t y** **I m** **p a** **i r** **m e** **n t** **(****- d** **v )** Ctrl2_R ctrl2-r2

PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c 0.61 0.60 0.13 0.13 0.13 0.13 0.81 0.81 0.36 0.36 0.46 0.46 0.35 0.35 **1.04 1.03**  0.25 0.25 0.06 0.06 0.44 0.43 0.46 0.46 0.57 0.57 5.65 5.62 1.04 1.03 4 4



# Cholla: 98th Percentile**Visibility Impairment, IMPROVE Method 6, Ann. A vg. Bkgd.** 

1.00 1.20 1.40

# Cholla: Visibility Benefit of Controls, IMPROVE Method 6, Ann. A **vg. Bkgd.**

Grand Canyon MazatzalMesa VerdeMount BaldyPetrified Forest Pine

MountainSaguaroSierra AnchaSuperstitionSycamore Canyon 1.94 1.18 1.06 1.06 3.96 0.84 0.32 1.35 1.30 1.39 0.96 0.72 0.49 0.57 2.72 0.51 0.24 0.79 0.75 0.67 1.73 1.07 0.92 0.90 3.70 0.76 0.30 1.21 1.18 1.21 1.45 0.91 0.75 0.77 3.34 0.66 0.28 1.07 1.01 0.98 0.92 0.71 0.46 0.56 2.67 0.51 0.24 0.77 0.72 0.64 0.92 0.71 0.46 0.56 2.67 0.51 0.24 0.78 0.72 0.64 Capitol Reef Basecorr Pre

-LNB; SO2cor 0.00 CTRL2 Pre

-LNB SCR SO2c 0.71 Rev Base Post

-LNB SO2cor 0.00 Ctrl1_R Post

-LNB SNCR SO2c 0.20 Ctrl2_R PoLN SCR 84%CE, SO2c 0.61 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.60 0.00 0.20 0.40 0.60 0.80**V i** **s i** **b i** **l i** **t y** **B e** **n e** **f i** **t ,** **d v** 

# Cholla: Visibility Benefit of Controls, IMPROVE Method 6, Ann. A **vg. Bkgd.**

Galiuro Gila Grand Canyon Mazatzal Mesa Verde Mount

Baldy Petrified

Forest Pine

MountainSaguaro Sierra Ancha Superstitio

n Sycamore

Canyon 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.15 0.19 0.98 0.46 0.57 0.49 1.24 0.33 0.07 0.56 0.55 0.72 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.07 0.28 0.16 0.17 0.13 0.36 0.11 0.01 0.14 0.17 0.23 0.13 0.13 0.81 0.36 0.46 0.35 1.04 0.25 0.06 0.44 0.46 0.57 0.13 0.13 0.81 0.36 0.46 0.35 1.03 0.25 0.06 0.43 0.46 0.57

# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** 

care 1.764 1.517 1.162 1.673 1.509 1.692 1.569 gali 0.982 0.978 0.917 0.981 0.980 0.979 0.979 gila 0.986 0.918 0.863 0.960 0.917 0.968 0.935 grca 3.796 3.491 2.677 3.691 3.490 3.715 3.567
maza 1.706 1.530 1.214 1.640 1.529 1.654 1.568
meve 1.089 0.952 0.835 1.020 0.946 1.048 0.995 moba 1.635 1.410 1.097 1.554 1.407 1.560 1.428 pefo 4.569 4.237 3.796 4.446 4.223 4.469 4.293 pimo 1.229 1.082 0.929 1.175 1.083 1.183 1.106 sagu 0.898 0.840 0.653 0.898 0.840 0.898 0.856 sian 1.875 1.827 1.679 1.836 1.822 1.836 1.835 supe 1.953 1.832 1.482 1.940 1.833 1.948 1.862 syca 1.850 1.672 1.358 1.754 1.671 1.773 1.676 Total **24.332 22.286** **18.662 23.568** **22.250 23.723** **22.669**

**Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2**

care 0.086 0.077 0.084 0.088 0.083 0.084 0.026 gali 0.001 0.008 0.001 0.001 0.003 0.001 0.006 gila 0.024 0.016 0.024 0.024 0.021 0.022 0.008 grca 0.106 0.143 0.097 0.105 0.093 0.098 0.057
maza 0.061 0.063 0.061 0.061 0.060 0.059 0.016
meve 0.048 0.032 0.064 0.049 0.047 0.040 0.018 moba 0.078 0.069 0.075 0.078 0.086 0.089 0.029 pefo 0.115 0.098 0.114 0.119 0.115 0.118 0.038 pimo 0.051 0.038 0.050 0.050 0.053 0.053 0.014 sagu 0.020 0.031 0.000 0.020 0.000 0.018 0.000 sian 0.017 0.025 0.036 0.018 0.045 0.017 0.027 supe 0.042 0.060 0.012 0.041 0.006 0.039 0.023 syca 0.062 0.063 0.089 0.061 0.088 0.075 0.029 **Average 0.055**  **0.056 0.054**  **0.055 0.054**  **0.055 0.022** 
dv_max/TPY0.12 0.14 0.11 0.12 0.11 0.12 0.21 dv_sum/TPY0.71 0.72 0.71 0.71 0.70 0.71 1.02 dv change relative to base at CIA/TPY reduction relative to base dv/thousand TPY≡ *Uses the formula: **98 th** 

# Percentile

**Table 4(a). Control Option Visibility Benefits (dv/thousand TPY)* for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003** **Table 1(a). Visibility Impairment (98** **th**

# Percentile) at Each Class I Area (CIA) Within APS Cholla's Zone of Influence (300 km) for 2001-2003 Base Case Emissions and Control Options



# CIA **CIA**

**2001**

# Ctrl-1 **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2** 

care 35 46 36 42 36 45 39 gali 2141 429 3284 5391 869 2947 218 gila 126 226 126 156 145 173 113 grca 28 25 31 35 32 39 17
maza 49 57 50 61 50 64 58
meve 63 110 48 75 64 94 63 moba 38 52 41 47 35 43 43 pefo 26 36 27 31 26 32 23 pimo 58 93 61 74 57 72 75 sagu 148 114#N/A 186#N/A 211 376 sian 178 142 84 203 67 221 39 supe 71 59 253 90 521 97 49 syca 48 57 34 60 34 51 37 †million

# $/dv = $ per year in millions from Table 3 divided by dv benefit from Table 1(a) for each control option. **2001 CIA**  **Table 5(a). Control Option Cost Effectivenessin million ($/ dv)† for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003**

# Basecorr**CTRL2 Rev Base** **CTRL1_R CTRL2_R** **ctrl2_r2** 

# Ctrl-1 **Ctrl-2**

1.242 0.526 1.089 0.888 0.507 0.507 

# 0.247 0.602 0.471 0.343 0.443 0.395 0.342 0.342 

# 0.004 0.065 0.569 0.322 0.51 0.448 0.313 0.314 

# 0.068 0.123 3.206 1.562 2.902 2.452 1.492 1.497 

# 0.305 1.119 1.175 0.691 1.077 0.953 0.671 0.672 

# 0.176 0.492 0.783 0.343 0.681 0.543 0.329 0.33 

# 0.137 0.254 1.225 0.571 1.052 0.827 0.543 0.544 

# 0.225 0.538 3.967 2.763 3.746 3.447 2.704 2.708 

# 0.332 0.773 0.823 0.451 0.736 0.625 0.432 0.434 

# 0.147 0.300 0.369 0.295 0.346 0.344 0.288 0.29 

# 0.058 0.245 1.458 0.752 1.277 1.067 0.73 0.731 

# 0.048 0.196 1.398 0.826 1.245 1.066 0.818 0.818 

# 0.121 0.471 1.399 0.642 1.227 1.003 0.64 0.64 

# 0.178 0.492 **18.085 10.087** **16.331 14.058**  **9.809 9.827**  

# 2.046 **5.670**

**CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  0.254 0.076 0.076 0.058 0.032 0.055 0.056 0.059 0.045 0.013 0.013 0.000 0.022 0.000 0.000 0.000 0.088 0.026 0.026 0.014 0.007 0.031 0.014 0.033 0.583 0.184 0.184 0.145 0.113 0.139 0.140 0.139 0.172 0.053 0.053 0.043 0.047 0.059 0.043 0.068 0.156 0.046 0.046 0.067 0.071 0.080 0.065 0.054 0.232 0.066 0.066 0.018 0.017 0.043 0.018 0.053 0.427 0.136 0.136 0.113 0.111 0.082 0.113 0.077 0.132 0.040 0.040 0.024 0.037 0.040 0.023 0.038 0.026 0.008 0.007 0.015 0.019 0.000 0.015 0.000 0.250 0.071 0.071 0.039 0.073 0.005 0.043 0.005 0.203 0.056 0.056 0.033 0.065 0.013 0.032 0.013 0.268 0.077 0.077 0.056 0.080 0.104 0.056 0.103 **0.218 0.065**  **0.065 0.048**  **0.053 0.050**  **0.047 0.049** 

0.16 0.18 0.18 0.15 0.11 0.14 0.14 0.14 0.81 0.85 0.85 0.63 0.69 0.65 0.62 0.64 dv change relative to base at CIA/TPY reduction relative to base **-dv**

**Table 4(a). Control Option Visibility Benefits (dv/thousand TPY)* for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003**

# 2001 **Percentile) at Each Class I Area (CIA) Within APS Cholla's Zone of Influence (300 km) for 2001-2003 Base Case Emissions and Control Options**(listed in Table 2)



# 2002

# 2002

**CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  42 48 48 51 111 55 66 51 176 275 275 8565 161#N/A 10781#N/A 136 141 142 209 516 97 263 90 19 20 20 20 31 22 26 22 68 68 68 69 76 51 86 44 61 79 79 44 50 38 57 55 37 55 55 168 214 71 211 57 28 27 27 26 32 37 33 39 76 91 92 126 96 76 159 79 4218 478 495 199 188#N/A 251#N/A 40 51 51 76 49 657 87 652 47 65 65 90 54 235 115 237 38 47 47 53 44 29 67 29 $/dv = $ per year in millions from Table 3 divided by dv benefit from Table 1(a) for each control option. **Table 5(a). Control Option Cost Effectivenessin million ($/ dv)† for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003**

# Ctrl-3 **Ctrl-4 Ctrl-5** **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2**

0.091 0.255 0.072 0.195 0.716 0.201 0.582 0.582 0.001 0.002 0.003 0.003 0.128 0.048 0.101 0.101 0.026 0.069 0.018 0.051 0.247 0.062 0.197 0.196 0.105 0.306 0.081 0.229 1.644 0.450 1.410 1.405 0.066 0.177 0.052 0.138 0.484 0.124 0.406 0.405 0.069 0.143 0.041 0.094 0.440 0.138 0.352 0.351 0.081 0.228 0.075 0.207 0.654 0.225 0.509 0.508 0.123 0.346 0.100 0.276 1.204 0.299 1.042 1.038 0.054 0.146 0.046 0.123 0.372 0.111 0.304 0.302 0.000 0.058 0.000 0.042 0.074 0.002 0.058 0.056 0.039 0.053 0.039 0.040 0.706 0.210 0.547 0.546 0.013 0.120 0.005 0.091 0.572 0.179 0.427 0.427 0.096 0.179 0.077 0.174 0.757 0.224 0.587 0.587 **0.764 2.082**  **0.609 1.663**  **7.998 2.273**  **6.522 6.504** 

**Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  0.058 0.018 0.171 0.050 0.050 0.133 0.091 0.140 0.000 0.005 0.044 0.010 0.010 0.013 0.011 0.027 0.018 0.010 0.075 0.017 0.017 0.061 0.039 0.061 0.138 0.033 0.334 0.104 0.104 0.038 0.045 0.020 0.051 0.021 0.182 0.052 0.052 0.009 0.030 0.017 0.051 0.022 0.197 0.059 0.059 0.094 0.077 0.091 0.021 0.020 0.180 0.052 0.052 0.007 0.043 0.004 0.111 0.044 0.366 0.113 0.113 0.164 0.107 0.140 0.029 0.018 0.163 0.048 0.048 0.004 0.027 0.006 0.008 0.000 0.029 0.007 0.007 0.009 0.005 0.006 0.019 0.023 0.215 0.065 0.065 0.064 0.049 0.076 0.030 0.021 0.205 0.061 0.061 0.031 0.023 0.062 0.069 0.027 0.247 0.075 0.075 0.027 0.041 0.028 **0.046 0.020**  **0.185 0.055**  **0.055 0.050**  **0.045 0.052** 

0.14 0.13 0.12 0.11 0.11 0.16 0.11 0.14 0.60 0.86 0.73 0.71 0.71 0.65 0.59 0.68

**Change relative to base (****-dv)**

**2002**

# 2003

**Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  65 58 59 72 72 22 39 22 #N/A 225 206 360 360 225 310 113 216 132 111 209 209 49 91 50 27 30 32 35 35 78 78 149 74 54 50 70 70 343 119 182 74 50 49 61 62 32 46 33 180 55 53 70 70 408 82 821 34 27 24 32 32 18 33 22 130 61 60 76 76 714 131 469 491 344 8436 495 504 329 733 547 201 46 48 56 56 46 72 40 128 48 51 60 60 97 154 49 55 40 40 48 49 108 87 109

# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **Basecorr**

1.161 0.993 0.909 1.101 0.998 1.110 1.026 0.819 0.858 0.857 0.685 0.858 0.857 0.858 0.858 0.406 1.318 1.277 1.264 1.284 1.277 1.289 1.277 0.644 2.696 2.278 1.809 2.546 2.289 2.575 2.374 1.846 1.886 1.762 1.519 1.822 1.761 1.827 1.766 1.192 1.534 1.341 0.980 1.447 1.344 1.487 1.415 1.06 1.499 1.448 1.369 1.453 1.448 1.453 1.450 1.055 4.285 3.960 3.416 4.196 3.956 4.218 4.026 3.547 1.591 1.523 1.302 1.548 1.523 1.558 1.523 1.02 0.657 0.614 0.509 0.657 0.614 0.657 0.639 0.278 2.115 2.002 1.544 2.110 1.991 2.111 2.071 1.404 2.037 1.942 1.525 2.023 1.943 2.026 1.968 1.338 2.351 2.189 1.721 2.238 2.189 2.261 2.190 1.51 **23.988 22.186** **18.552 23.283** **22.190 23.430** **22.583 16.119** 

**Ctrl-4 Ctrl-5** **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  0.132 0.122 0.123 0.032 0.343 0.104 0.104 0.107 0.013 0.025 0.016 0.009 0.067 0.022 0.022 0.028 0.061 0.056 0.056 0.006 0.089 0.024 0.024 0.010 0.034 0.015 0.054 0.023 0.215 0.063 0.064 0.135 0.009 0.018 0.009 0.016 0.139 0.042 0.042 0.052 0.093 0.091 0.090 0.026 0.249 0.075 0.075 0.072 0.007 0.003 0.008 0.012 0.084 0.019 0.019 0.043 0.152 0.196 0.212 0.045 0.473 0.138 0.137 0.077 0.004 0.007 0.008 0.011 0.048 0.017 0.017 0.036 0.009 0.007 0.006 0.005 0.044 0.013 0.013 0.022 0.064 0.067 0.063 0.015 0.138 0.049 0.049 0.096 0.030 0.067 0.035 0.013 0.102 0.031 0.032 0.043 0.027 0.028 0.026 0.021 0.148 0.039 0.040 0.078 **0.049 0.054**  **0.054 0.018**  **0.165 0.049**  **0.049 0.062** 

0.15 0.20 0.21 0.17 0.13 0.14 0.14 0.14 0.64 0.70 0.71 0.77 0.65 0.64 0.64 0.80

**2003 98** **th**

# Percentile D-dv

# All Years

**Ctrl-4 Ctrl-5** **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  28 25 31 29 33 35 35 28 284 119 239 147 122 165 166 104 60 53 68 111 187 152 153 306 109 201 71 46 47 57 57 22 431 163 421 71 67 86 87 57 40 33 42 40 41 48 48 41 513 869 465 118 86 191 193 69 24 15 18 21 24 26 26 39 829 435 465 205 100 217 217 83 399 435 589 226 228 283 286 134 58 45 60 71 71 74 74 31 123 45 109 96 83 115 115 69 136 109 147 67 51 92 92 38

# CTRL2**Rev Base CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3**

0.338 0.708 0.565 0.322 0.323 0.168 0.252 0.060 0.282 0.359 0.318 0.282 0.282 0.001 0.173 0.000 0.433 0.566 0.49 0.433 0.433 0.041 0.054 0.034 0.903 1.642 1.38 0.845 0.85 0.418 0.887 0.150 0.679 1.067 0.899 0.668 0.668 0.124 0.367 0.064 0.505 0.928 0.756 0.475 0.477 0.193 0.554 0.087 0.548 0.933 0.774 0.534 0.535 0.051 0.130 0.046 2.514 3.341 2.995 2.475 2.478 0.325 0.869 0.089 0.561 0.913 0.773 0.547 0.548 0.068 0.289 0.043 0.197 0.241 0.24 0.185 0.186 0.043 0.148 0.000 0.798 1.27 1.093 0.774 0.775 0.113 0.571 0.005 0.761 1.216 1.052 0.751 0.753 0.095 0.512 0.014 0.814 1.361 1.151 0.788 0.791 0.162 0.630 0.113 **9.333 14.545** **12.486 9.079**  **9.099 1.802**  **5.436 0.705** 

**Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R**  0.085 0.109 0.107 0.104 0.105 0.025 0.253 0.079 0.017 0.043 0.028 0.041 0.032 0.007 0.052 0.017 0.028 0.009 0.011 0.011 0.008 0.008 0.069 0.017 0.105 0.113 0.130 0.123 0.126 0.036 0.347 0.105 0.054 0.070 0.051 0.063 0.062 0.020 0.162 0.047 0.062 0.080 0.072 0.072 0.068 0.021 0.201 0.060 0.044 0.019 0.043 0.023 0.033 0.016 0.172 0.045 0.098 0.108 0.076 0.115 0.094 0.046 0.440 0.135 0.039 0.058 0.035 0.059 0.043 0.013 0.116 0.032 0.019 0.034 0.022 0.032 0.026 0.002 0.026 0.007 0.068 0.086 0.095 0.114 0.118 0.018 0.198 0.057 0.055 0.040 0.044 0.037 0.037 0.022 0.195 0.060 0.071 0.088 0.078 0.083 0.066 0.029 0.255 0.074 **0.057 0.066**  **0.061 0.067**  **0.063 0.020**  **0.191 0.057** 

0.11 0.11 0.13 0.12 0.13 0.16 0.13 0.14 0.75 0.86 0.79 0.88 0.82 0.89 0.73 0.74 **All Years 2002** 

# Ctrl-2 **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R**

42 28 35 29 36 39 43 46 211 71 133 246 376 57 514 67 128 328 348 884 1548 43 420 64 34 27 28 83 95 9 99 11 66 43 72 161 192 18 174 24 57 38 51 140 175 15 168 19 81 156 86 442 357 17 215 25 36 28 49 88 127 7 77 8 91 52 105 173 276 26 264 34 183 89 168 316 457 117 2134 156 52 35 39 89 101 15 198 20 64 76 84 276 320 15 162 19 50 35 47 36 57 39 37 49

# Ctrl-4 **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Base**

0.163 0.051 0.135 0.481 0.143 0.386 0.385 2.228 0.001 0.000 0.000 0.124 0.041 0.077 0.077 0.681 0.041 0.029 0.041 0.211 0.076 0.133 0.133 1.300 0.407 0.121 0.322 0.943 0.262 0.797 0.792 1.872 0.125 0.059 0.120 0.513 0.168 0.399 0.399 1.753 0.190 0.047 0.119 0.555 0.172 0.453 0.451 1.766 0.051 0.046 0.049 0.507 0.159 0.399 0.398 1.608 0.329 0.067 0.259 1.033 0.346 0.866 0.863 5.059 0.068 0.033 0.068 0.459 0.140 0.366 0.365 1.352 0.043 0.000 0.018 0.081 0.001 0.056 0.055 0.459 0.124 0.004 0.044 0.606 0.177 0.496 0.495 1.779 0.094 0.011 0.069 0.577 0.164 0.465 0.463 1.506 0.162 0.090 0.161 0.696 0.210 0.573 0.570 1.562 **1.798 0.558**  **1.405 6.786**  **2.059 5.466**  **5.446 22.925** 

**ctrl2_r2** 0.079 0.017 0.017 0.105 0.047 0.060 0.045 0.135 0.033 0.007 0.057 0.060 0.074 **0.057**

0.13 0.74 **Change relative to base (****-dv)**

# ctrl2_r246

217 212 34 78 61 80 27 111 504 64 60 49

# Ctrl-1 **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 Basecorr** 

1.844 1.510 2.077 1.844 2.122 1.942 1.641 0.643 0.591 0.652 0.643 0.659 0.644 0.413 1.125 0.993 1.234 1.121 1.251 1.170 0.679 1.762 1.517 1.850 1.773 1.859 1.747 1.327 1.728 1.518 1.735 1.728 1.737 1.732 1.132 1.496 1.161 1.667 1.495 1.687 1.556 1.304 1.587 1.268 1.604 1.587 1.605 1.589 0.793 4.585 4.217 4.907 4.616 4.888 4.564 4.184 1.340 1.139 1.345 1.339 1.346 1.333 0.61 0.433 0.421 0.453 0.432 0.453 0.444 0.281 1.594 1.391 1.697 1.593 1.721 1.632 1.133 1.418 1.325 1.439 1.418 1.448 1.425 0.921 1.483 1.241 1.532 1.483 1.538 1.502 0.964 **21.038 18.292** **22.192 21.072** **22.314 21.280**  **15.382 98** **th**

# Percentile**-dv**

# CTRL2 **Rev Base CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1**

0.674 1.445 1.192 0.646 0.648 0.384 0.224 0.385 0.316 0.217 0.218 0.038 0.427 0.588 0.543 0.405 0.407 0.175 0.72 1.18 1.002 0.693 0.694 0.110 0.74 1.031 0.905 0.709 0.711 0.025 0.602 1.143 0.937 0.565 0.568 0.270 0.556 0.7 0.602 0.555 0.556 0.021 2.851 3.839 3.484 2.783 2.788 0.474 0.474 0.602 0.518 0.474 0.474 0.012 0.158 0.252 0.215 0.154 0.155 0.026 0.743 1.111 0.992 0.736 0.736 0.185 0.632 0.873 0.771 0.632 0.632 0.088 0.546 0.839 0.675 0.536 0.537 0.079 **9.347 13.988**  **12.152 9.105**  **9.124 1.887**  **2003**

# Ctrl-2 **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2**

0.718 0.151 0.384 0.106 0.286 0.967 0.090 0.029 0.038 0.022 0.037 0.189 0.307 0.066 0.179 0.049 0.130 0.252 0.355 0.022 0.099 0.013 0.125 0.607 0.235 0.018 0.025 0.016 0.021 0.392 0.605 0.099 0.271 0.079 0.210 0.702 0.340 0.004 0.021 0.003 0.019 0.237 0.842 0.152 0.443 0.171 0.495 1.333 0.213 0.007 0.013 0.006 0.019 0.136 0.038 0.006 0.027 0.006 0.015 0.123 0.388 0.082 0.186 0.058 0.147 0.390 0.181 0.067 0.088 0.058 0.081 0.289 0.321 0.030 0.079 0.024 0.060 0.418 **4.633 0.733**  **1.853 0.611**  **1.645 6.035**  **Change relative to base (****-dv)**

# CTRL1_R**CTRL2_R ctrl2_r2**  **Base Ctrl-1**  **Ctrl-2**

0.253 0.799 0.797 1.828 1.519 1.163 0.069 0.168 0.167 0.790 0.708 0.658 0.045 0.183 0.181 1.279 1.251 1.061 0.178 0.487 0.486 2.668 2.278 1.843 0.126 0.322 0.320 1.877 1.728 1.456 0.206 0.578 0.575 1.475 1.267 0.986 0.098 0.145 0.144 1.612 1.488 1.268 0.355 1.056 1.051 4.569 4.347 3.796 0.084 0.128 0.128 1.445 1.342 1.139 0.037 0.098 0.097 0.714 0.650 0.562 0.119 0.375 0.375 2.111 1.835 1.577 0.102 0.241 0.241 1.938 1.813 1.504 0.164 0.303 0.302 1.970 1.744 1.412 **1.836 4.883**  **4.864 24.276**  **21.970 18.425** 

# Ctrl-3 **Ctrl-4 Ctrl-5**  **Ctrl-6 Basecorr** **CTRL2**

1.710 1.517 1.737 1.584 1.307 0.593 0.744 0.709 0.754 0.716 0.441 0.294 1.269 1.248 1.269 1.261 0.622 0.428 2.546 2.289 2.561 2.374 1.939 0.96 1.801 1.728 1.822 1.732 1.175 0.718 1.388 1.265 1.412 1.316 1.056 0.49 1.591 1.486 1.592 1.534 1.055 0.57 4.452 4.347 4.469 4.350 3.964 2.724 1.382 1.342 1.394 1.344 0.837 0.511 0.677 0.650 0.686 0.653 0.316 0.244 2.018 1.835 2.012 1.836 1.351 0.793 1.895 1.809 1.906 1.851 1.301 0.751 1.875 1.743 1.898 1.815 1.394 0.674 **23.348 21.968**  **23.512 22.366**  **16.758 9.750**  **98 th** 

# Percentile D-dv

# Rev Base **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2**

1.163 0.965 0.556 0.559 0.309 0.665 0.417 0.363 0.289 0.289 0.082 0.132 0.546 0.48 0.413 0.415 0.028 0.218 1.73 1.45 0.921 0.924 0.390 0.825 1.067 0.908 0.709 0.711 0.149 0.421 0.917 0.752 0.458 0.461 0.208 0.489 0.901 0.772 0.555 0.556 0.124 0.344 3.701 3.343 2.665 2.67 0.222 0.773 0.76 0.655 0.511 0.511 0.103 0.306 0.295 0.282 0.24 0.24 0.064 0.152 1.209 1.069 0.774 0.775 0.276 0.534 1.184 1.013 0.722 0.723 0.125 0.434 1.208 0.977 0.64 0.642 0.226 0.558 **15.098 13.029**  **9.453 9.476**  **2.306 5.851**  **All Years**

# Ctrl-3 **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2**  **CTRL1_R**

0.118 0.311 0.091 0.244 0.714 0.198 0.046 0.081 0.036 0.074 0.147 0.054 0.010 0.031 0.010 0.018 0.194 0.066 0.122 0.379 0.107 0.294 0.979 0.28 0.076 0.149 0.055 0.145 0.457 0.159 0.087 0.210 0.063 0.159 0.566 0.165 0.021 0.126 0.020 0.078 0.485 0.129 0.117 0.222 0.100 0.219 1.24 0.358 0.063 0.103 0.051 0.101 0.326 0.105 0.037 0.064 0.028 0.061 0.072 0.013 0.093 0.276 0.099 0.275 0.558 0.14 0.043 0.129 0.032 0.087 0.55 0.171 0.095 0.227 0.072 0.155 0.72 0.231 **0.928 2.308**  **0.764 1.910**  **7.008 2.069** 

**Change relative to base (dv)**

# CTRL2_R**ctrl2_r2**

0.607 0.604 0.128 0.128 0.133 0.131 0.809 0.806 0.358 0.356 0.459 0.456 0.346 0.345 1.036 1.031 0.249 0.249 0.055 0.055 0.435 0.434 0.462 0.461 0.568 0.566 **5.645 5.622** Cholla units 2, 3, and 4

**Table 2. Control Options (per EPA Region 9) and Corresponding Emission Reductions Relative to Base Used in Visibility Modeling All Units**  **All Units**

Controls **Technology Used**  **-Emissions**

**(TPY, max day) Technology** 

**Used** **-Emissions**

**(TPY, max day) Technology** 

**Used** **-Emissions**

**(TPY, max day)****-Emissions**

**(TPY, annual av)**  **$/year**
**Pre-LNB SOFA Base**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0Pre-LNB + SOFA 0 0 $0 **Pre-LNB SNCR Ctrl-1**  PreLNB SNCR 929PreLNB SNCR 871PreLNB SNCR 1082 2882 $8,564,847 **Pre-LNB SCR Ctrl-2**  PreLNB SCR 2606PreLNB SCR 2332PreLNB SCR 2913 7851$27,858,991 **Pre-LNB SNCR u.4 Ctrl-3**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0PreLNB SNCR 1082 1082 $3,284,409 **Pre-LNB SCR u.4 Ctrl-4**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0PreLNB SCR 2913 2913$10,781,102 **Pre-LNB SNCR u.3 Ctrl-5**  Pre-LNB + SOFA 0PreLNB SNCR 871Pre-LNB + SOFA 0 871 $2,607,329 **Pre-LNB SCR u.3 Ctrl-6**  Pre-LNB + SOFA 0PreLNB SCR 2332Pre-LNB + SOFA 0 2332 $8,842,201 **Pre-LNB; SO2cor Basecorr** Pre-LNB+SO2corr 0PreLNB + SO2c 0PreLNB + SO2c 0 0 $0 **Pre-LNB SCR SO2c CTRL2**  PreLNB SCR SO2c 2606PreLNB SCR SO2c 2332PreLNB SCR SO2c 2913 7851$27,858,991 **Post-LNB SO2cor Rev Base** Post-LNB+SO2corr 0Post-LNB+SO2corr 0Post-LNB+SO2corr 0 0 $0 **Post-LNB SNCR SO2c CTRL1_R** PostLNB SNCR SO2c 867PostLNB SNCR SO2c 871PostLNB SNCR SO2c1082 2820 $8,436,045 **PoLN SCR 84%CE, SO2c CTRL2_R** PostLNB SCR 84% CE;SO2c 2428PostLNB SCR SO2c 2332PostLNB SCR SO2c 2913 7673$27,741,193 **PoLN SCR 83%CE, SO2c ctrl2-r2**  PostLNB SCR 83% CE;SO2c 2400PostLNB SCR SO2c 2332PostLNB SCR SO2c 2913 7645$27,736,569
**Table 3(a). Original NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version 5/29/12 **Table 3(b). Updated NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version6/19/12

SNCR SCR SNCR SCR SNCR SCR SNCR SCR SNCR SCR SNCR SCR Capacity Factor 74% 74% 75% 75% 72% 72% Capacity Factor 74% 74% 75% 75% 72% 72% Control Efficiency 30% 84% 30% 80% 30% 81% Control Efficiency 30% 83%* 30% 80% 30% 81%*Addt'l 1% CE on Unit 2 SCR **Uncontrolled Rate Uncontrolled Rate**  NOx Rate (lb/hr) 955 955 884 884 1144 1144 NOx Rate (lb/hr) 892 892 884 884 1144 1144 NOx Rate (lb/MMBtu) 0.32 0.32 0.25 0.25 0.26 0.26 NOx Rate (lb/MMBtu) 0.295 0.295 0.25 0.25 0.26 0.26 NOx (TPY) 3096 3096 2904 2904 3607 3607 NOx (TPY) 2890 2890 2904 2904 3607 3607 **Controlled Rate Controlled Rate**  NOx Rate (lb/hr) 669 151 619 174 801 220 NOx Rate (lb/hr) 624 151 619 174 801 220 NOx Rate (lb/MMBtu) 0.22 0.05 0.18 0.05 0.18 0.05 NOx Rate (lb/MMBtu) 0.21 0.05 0.18 0.05 0.18 0.05 NOx (TPY) 2167 490 2033 572 2525 694 NOx (TPY) 2023 490 2033 572 2525 694
**Tons/Year Removed** 929 2606 871 2332 1082 2913 **Tons/Year Removed** 867 2400 871 2332 1082 2913
**Total Cost, $/year** $2,673,109$8,235,688$2,607,329$8,842,201$3,284,409$10,781,102 **Total Cost, $/year**$2,544,307$8,113,266$2,607,329 $8,842,201$3,284,409$10,781,102$8,117,890per ATP 6/23/12 **$/Ton** $2,878 $3,160 $2,993 $3,792 $3,035 $3,700 **$/Ton** $2,935 $3,308 $2,993 $3,792 $3,035 $3,700 **$/Ton (incremental)** $2,878 $3,317 $2,993 $4,268 $3,035 $4,094 **$/Ton (incremental)** $2,935 $3,632 $2,993 $4,268 $3,035 $4,094

Cholla units 2, 3, and 4 draft UNC results, 2012-04-30

visibility method 6, 20% best background Using dv from area with highest impact (13 areas)

Controls **Control Option**  **ton/yr**

**reduction cost, $/yr** 

**(millions) $/ton** 

**reduction visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY** 

**(x 1000) $/dv** 

**(millions)**# areas w/

improvement ≥ 0.5 dv **Pre-LNB SOFA Base**  0 $0.0 5.6 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 $2,972 5.3 0.48 0.166 $18 0 **Pre-LNB SCR Ctrl-2**  7851 $27.9 $3,548 4.7 1.02 0.130 $27 8 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 $3,035 5.5 0.15 0.138 $22 0 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 $3,701 5.3 0.47 0.160 $23 0 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 $2,993 5.5 0.13 0.149 $20 0 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 $3,792 5.3 0.36 0.154 $25 0 **Pre-LNB; SO2cor Basecorr**  0 $0.0 4.9 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 $3,548 3.4 1.48 0.189 $19 9 **Post-LNB SO2cor Rev Base**  0 $0.0 4.6 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 $2,992 4.2 0.42 0.149 $20 0 **PoLN SCR 84%CE, SO2c CTRL2_R**  7673 $27.7 $3,616 3.3 1.27 0.166 $22 7 **PoLN SCR 83%CE, SO2c Ctrl2-r2**  7645 $27.7 $3,628 3.3 1.27 0.166 $22 7
(same tons & costs as above) Using dv sum over all areas (13 areas)

Controls **Control Option**  **ton/yr**

**reduction cost, $/yr** 

**(millions) $/ton** 

**reduction visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY (x** 

**1000) $/dv** 

**(millions) Pre-LNB SOFA**  **Base** 0 $0.0 30.6 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 $2,972 27.8 2.76 0.956 $3.1 **Pre-LNB SCR Ctrl-2**  7851 $27.9 $3,548 23.4 7.14 0.910 $3.9 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 $3,035 29.5 1.01 0.929 $3.3 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 $3,701 27.8 2.77 0.950 $3.9 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 $2,993 29.7 0.81 0.932 $3.2 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 $3,792 28.3 2.27 0.973 $3.9 **Pre-LNB; SO2cor Basecorr**  0 $0.0 21.2 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 $3,548 12.4 8.80 1.121 $3.2 **Post-LNB SO2cor Rev Base**  0 $0.0 19.2 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 $2,992 16.6 2.60 0.923 $3.2 **PoLN SCR 84%CE, SO2c CTRL2_R**  7673 $27.7 $3,616 12.1 7.14 0.930 $3.9 **PoLN SCR 83%CE, SO2c Ctrl2-r2**  7645 $27.7 $3,628 12.1 7.11 0.930 $3.9 **Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx Control**  **Option Unit 2**  **Unit 3 Unit 4** 

**Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx**

## Cholla units 2, 3, and 4

visibility method 6, 20% best background (this page edited from vis6.20best sheet) Table 1(b). Visibility Impairment (98th Percentile) for 2001-2003 Base Case Emissions and Control Options

Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 BasecorrCTRL2Rev BaseCtrl1_R

CIA**Class I Area** Pre-LNB SOFA Pre-LNB

SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4Pre-LNB

SNCR u.3Pre-LNB

SCR u.3Pre-LNB;

SO2corPre-LNB

SCR SO2cPost-LNB

SO2corPost-LNB

SNCR SO2c

careCapitol Reef 2.31 1.95 1.50 2.18 1.94 2.22 2.03 1.68 0.77 1.50 1.23 galiGaliuro 1.02 0.92 0.85 0.96 0.92 0.98 0.93 0.57 0.38 0.54 0.47 gilaGila 1.64 1.60 1.36 1.62 1.60 1.62 1.61 0.81 0.56 0.71 0.62 grcaGrand Canyon 3.37 2.89 2.35 3.22 2.90 3.24 3.01 2.47 1.24 2.21 1.86

mazaMazatzal 2.38 2.19 1.86 2.28 2.19 2.31 2.21 1.50 0.92 1.37 1.17

meveMesa Verde 1.88 1.62 1.25 1.77 1.61 1.80 1.68 1.34 0.63 1.17 0.97

mobaMount Baldy 2.05 1.90 1.61 2.02 1.90 2.02 1.96 1.35 0.73 1.16 0.99 pefoPetrified Forest **5.55** 5.32 4.71 5.49 5.32 5.50 5.32 4.86 3.38 4.61 4.19 pimoPine Mountain 1.84 1.72 1.46 1.77 1.72 1.79 1.71 1.07 0.65 0.98 0.85 saguSaguaro 0.92 0.84 0.73 0.88 0.84 0.89 0.85 0.41 0.32 0.38 0.36 sianSierra Ancha 2.64 2.32 2.00 2.56 2.32 2.55 2.34 1.73 1.02 1.55 1.36 supeSuperstition 2.45 2.31 1.92 2.40 2.31 2.41 2.34 1.67 0.97 1.50 1.31 sycaSycamore Canyon 2.50 2.22 1.81 2.39 2.22 2.42 2.31 1.78 0.87 1.55 1.26 **Total** 30.55 27.80 23.41 29.55 27.78 29.74 28.28 21.23 12.43 19.23 16.63 **Max** 5.55 5.32 4.71 5.49 5.32 5.50 5.32 4.86 3.38 4.61 4.19 **# CIAs w.****-dv >0.5** 13 13 13 13 13 13 13 12 11 12 11
**Table 4(b). Control Option Visibility Benefits (dv/thousand TPY)*** **Class I Area** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_RCtrl2-r2

CIA Pre-LNB SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4Pre-LNB

SNCR u.3Pre-LNB

SCR u.3Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2cPoLN SCR

83%CE, SO2c

careCapitol Reef 0.128 0.103 0.120 0.128 0.111 0.123 0.116 0.094 0.101 0.101 galiGaliuro 0.036 0.022 0.055 0.036 0.053 0.040 0.024 0.023 0.021 0.021 gilaGila 0.012 0.035 0.016 0.013 0.020 0.010 0.032 0.031 0.022 0.022 grcaGrand Canyon 0.166 0.130 0.138 0.160 0.149 0.154 0.157 0.124 0.133 0.133

mazaMazatzal 0.067 0.066 0.087 0.065 0.078 0.074 0.075 0.071 0.060 0.060

meveMesa Verde 0.092 0.081 0.106 0.092 0.090 0.088 0.091 0.074 0.077 0.077

mobaMount Baldy 0.050 0.055 0.024 0.050 0.025 0.037 0.078 0.062 0.058 0.058 pefoPetrified Forest 0.080 0.108 0.058 0.079 0.065 0.098 0.189 0.149 0.166 0.166 **98 th** **Percentile D-dv**

pefoPetrified Forest 0.080 0.108 0.058 0.079 0.065 0.098 0.189 0.149 0.166 0.166 pimoPine Mountain 0.043 0.048 0.063 0.043 0.060 0.055 0.053 0.048 0.043 0.043 saguSaguaro 0.027 0.025 0.042 0.027 0.039 0.032 0.012 0.007 0.009 0.009 sianSierra Ancha 0.111 0.082 0.077 0.112 0.104 0.133 0.090 0.067 0.072 0.072 supeSuperstition 0.047 0.067 0.043 0.048 0.045 0.046 0.089 0.070 0.074 0.074 sycaSycamore Canyon 0.097 0.088 0.101 0.098 0.093 0.082 0.117 0.103 0.094 0.094 **Average** 0.074 0.070 0.071 0.073 0.072 0.075 0.086 0.071 0.072 0.072 **dv_sum/TPY** 0.956 0.910 0.929 0.950 0.932 0.973 1.121 0.923 0.930 0.930 **dv_max/TPY** 0.166 0.130 0.138 0.160 0.149 0.154 0.189 0.149 0.166 0.166 

### *Uses the formula: dv/thousand TPY = 1000 *(dv change relative to base) / (TPY reduction relative to base)
**Table 5(b). Control Option Cost Effectiveness (million $/dv)†** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_RCtrl2-r2

CIA Pre-LNB SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4Pre-LNB

SNCR u.3Pre-LNB

SCR u.3Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2cPoLN SCR

83%CE, SO2c

careCapitol Reef 23 34 25 29 27 31 31 32 36 36 galiGaliuro 82 160 56 104 57 94 151 130 172 173 gilaGila 245 101 193 276 153 384 111 96 163 165 grcaGrand Canyon 18 27 22 23 20 25 23 24 27 27

mazaMazatzal 44 54 35 57 38 51 48 42 61 61

meveMesa Verde 32 44 29 40 33 43 39 40 47 47

mobaMount Baldy 60 64 126 74 119 103 45 48 62 62 pefoPetrified Forest 37 33 52 47 46 39 19 20 22 22 pimoPine Mountain 69 74 48 86 50 69 67 63 84 84 saguSaguaro 110 142 73 138 77 118 293 422 391 396 sianSierra Ancha 27 43 40 33 N/A 29 39 45 50 50 supeSuperstition 63 53 70 77 67 83 40 43 49 49 sycaSycamore Canyon 31 40 30 38 32 46 30 29 38 39 **$/dv_sum** 3.1 3.9 3.3 3.9 3.2 3.9 3.2 3.2 3.9 3.9 **$/dv_max** 17.9 27.4 22.0 23.2 20.1 24.6 18.8 20.1 21.8 21.9 **Class I Area**

### †$/dv = $ per year from Table 3 divided by delta dv from Table 1(b) for each control option, in millions**Change relative to base (dv)**

Ctrl2_R ctrl2-r2 BasecorrRev Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c Pre-LNB;

SO2corPost-LNB

SO2corPre-LNB

SNCRPre-LNB SCRPre-LNB SNCR u.4Pre-LNB SCR

u.4 Pre-LNB

SNCR u.3Pre-LNB SCR

u.3 Pre-LNB SCR

SO2c Post-LNB

SNCR SO2c 0.72 0.73 0.00 0.00 0.37 0.81 0.13 0.37 0.10 0.29 0.91 0.26 0.38 0.38 0.00 0.00 0.11 0.17 0.06 0.10 0.05 0.09 0.19 0.07 0.54 0.54 0.00 0.00 0.03 0.28 0.02 0.04 0.02 0.02 0.25 0.09 1.19 1.19 0.00 0.00 0.48 1.02 0.15 0.47 0.13 0.36 1.23 0.35 0.91 0.91 0.00 0.00 0.19 0.52 0.09 0.19 0.07 0.17 0.59 0.20 0.59 0.59 0.00 0.00 0.27 0.63 0.12 0.27 0.08 0.21 0.71 0.21 0.72 0.72 0.00 0.00 0.14 0.43 0.03 0.15 0.02 0.09 0.62 0.18 3.33 3.34 0.00 0.00 0.23 0.85 0.06 0.23 0.06 0.23 1.48 0.42 0.65 0.65 0.00 0.00 0.12 0.38 0.07 0.13 0.05 0.13 0.41 0.13 0.31 0.31 0.00 0.00 0.08 0.20 0.05 0.08 0.03 0.08 0.10 0.02 1.00 1.00 0.00 0.00 0.32 0.64 0.08 0.33 0.09 0.31 0.71 0.19 0.93 0.94 0.00 0.00 0.14 0.53 0.05 0.14 0.04 0.11 0.70 0.20 0.83 0.83 0.00 0.00 0.28 0.69 0.11 0.29 0.08 0.19 0.92 0.29 12.10 12.12 2.76 7.14 1.01 2.77 0.81 2.27 8.80 2.60 3.33 3.34 0.48 1.02 0.15 0.47 0.13 0.36 1.48 0.42 11 11 0 8 0 0 0 0 9 0 Number of Class I Areas with visibility improvement≥0.5 dv

4.00 5.00 6.00

# Cholla: 98th Percentile**Visibility Impairment, IMPRO VE Method 6, 20% Best Bkgd.** 

average of all area's (dv/annual TPY) 

### (sum of dv benefits over all areas) / (annual TPY) (max dv benefit of any area) / (annual TPY)

($/yr) / (sum of dv benefits over all areas) ($/yr) / (max dv benefit of any area) Capitol ReefGaliuro Gila Grand Canyon MazatzalMesa VerdeMount Baldy

Basecorr Pre

-LNB; SO2cor 1.68 0.57 0.81 2.47 1.50 1.34 1.35 CTRL2 Pre

-LNB SCR SO2c 0.77 0.38 0.56 1.24 0.92 0.63 0.73 Rev Base Post

-LNB SO2cor 1.50 0.54 0.71 2.21 1.37 1.17 1.16 Ctrl1_R Post

-LNB SNCR SO2c 1.23 0.47 0.62 1.86 1.17 0.97 0.99 Ctrl2_R PoLN SCR 84%CE, SO2c 0.72 0.38 0.54 1.19 0.91 0.59 0.72 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.73 0.38 0.54 1.19 0.91 0.59 0.72 0.00 1.00 2.00 3.00 4.00**V i** **s i** **b i** **l i** **t y** **I m** **p a** **i r** **m e** **n t** **(****- d** **v )** Ctrl2_R ctrl2-r2

PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c 0.77 0.77 0.16 0.16 0.17 0.17 1.02 1.02 0.46 0.46 0.59 0.59 0.45 0.45 1.27 1.27 0.33 0.33 0.07 0.07 0.55 0.55 0.57 0.57 0.72 0.72 7.14 7.11 1.27 1.27 7 7



# Cholla: 98th Percentile**Visibility Impairment, IMPRO VE Method 6, 20% Best Bkgd.** 

1.20 1.40 1.60

Mount BaldyPetrified

Forest Pine

MountainSaguaroSierra AnchaSuperstitionSycamore Canyon 1.35 4.86 1.07 0.41 1.73 1.67 1.78 0.73 3.38 0.65 0.32 1.02 0.97 0.87 1.16 4.61 0.98 0.38 1.55 1.50 1.55 0.99 4.19 0.85 0.36 1.36 1.31 1.26 0.72 3.33 0.65 0.31 1.00 0.93 0.83 0.72 3.34 0.65 0.31 1.00 0.94 0.83 Basecorr Pre

-LNB;SO2cor CTRL2 Pre

-LNB SCR SO2c Rev Base Post

-LNB SO2cor Ctrl1_R Post

-LNB SNCR SO2c Ctrl2_R PoLN SCR 84%CE, SO2c ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.00 0.20 0.40 0.60 0.80 1.00 1.20**V i** **s i** **b i** **l i** **t y** **B e** **n e** **f i** **t ,** **d v** 

# Cholla: Visibility Benefit of Controls, IMPRO**VE Method 6, 20% Best Bkgd**

**.**

Capitol ReefGaliuro Gila Grand Canyon MazatzalMesa VerdeMount BaldyPetrified Forest Pine

MountainSaguaroSierra AnchaSuperstitionSycamore Canyon 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.91 0.19 0.25 1.23 0.59 0.71 0.62 1.48 0.41 0.10 0.71 0.70 0.92 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.26 0.07 0.09 0.35 0.20 0.21 0.18 0.42 0.13 0.02 0.19 0.20 0.29 0.77 0.16 0.17 1.02 0.46 0.59 0.45 1.27 0.33 0.07 0.55 0.57 0.72 0.77 0.16 0.17 1.02 0.46 0.59 0.45 1.27 0.33 0.07 0.55 0.57 0.72**Control Option All Units**  **All Units**

**Base Ctrl-1**  **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 Basecorr** **CTRL2 Rev Base** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2 Base**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **Basecorr CTRL2** **Rev Base CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Base Ctrl-1**  **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 Basecorr** **CTRL2 Rev Base** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2**  **CTRL1_R CTRL2_R** **ctrl2_r2 Base**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6**  **Basecorr CTRL2**  **Rev Base CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6**  **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Technology Used** **-Emissions (TPY)**  **Technology Used****-Emissions (TPY)**  **Technology Used****-Emissions (TPY)**  **-Emissions**

**(TPY) $/year** 

care 2.250 1.942 1.468 2.138 1.932 2.161 2.007 1.593 0.683 1.400 1.146 0.646 0.646 0.308 0.782 0.112 0.318 0.089 0.243 0.910 0.254 0.754 0.754 1.494 1.280 1.152 1.417 1.287 1.430 1.322 1.059 0.441 0.917 0.734 0.415 0.416 0.214 0.342 0.077 0.207 0.064 0.172 0.618 0.183 0.502 0.501 2.826 2.338 1.941 2.640 2.313 2.695 2.473 2.106 0.874 1.859 1.539 0.837 0.839 0.488 0.885 0.186 0.513 0.131 0.353 1.232 0.320 1.022 1.020 2.314 1.945 1.502 2.184 1.941 2.217 2.027 1.678 0.769 1.496 1.232 0.722 0.725 0.369 0.812 0.130 0.373 0.097 0.287 0.909 0.264 0.774 0.771 Base Pre-LNB + SOFA 0.000Pre-LNB + SOFA 0.000Pre-LNB + SOFA 0.000 0.000 $0 gali 1.258 1.253 1.176 1.257 1.255 1.255 1.254 0.607 0.443 0.575 0.511 0.442 0.442 0.005 0.082 0.001 0.003 0.003 0.004 0.164 0.064 0.133 0.133 1.101 1.100 0.882 1.101 1.100 1.101 1.100 0.527 0.365 0.467 0.409 0.365 0.365 0.001 0.219 0.000 0.001 0.000 0.001 0.162 0.058 0.102 0.102 0.879 0.822 0.756 0.843 0.821 0.852 0.824 0.534 0.291 0.500 0.411 0.283 0.283 0.057 0.123 0.036 0.058 0.027 0.055 0.243 0.089 0.217 0.217 1.021 0.916 0.847 0.962 0.917 0.975 0.927 0.568 0.383 0.536 0.471 0.375 0.376 0.105 0.174 0.059 0.104 0.046 0.094 0.185 0.065 0.161 0.160 Ctrl-1 PreLNB SNCR 929.000PreLNB SNCR 871.000PreLNB SNCR 1082.000 2882.000 $8,564,847 gila 1.254 1.169 1.104 1.222 1.167 1.231 1.192 0.737 0.413 0.661 0.579 0.402 0.403 0.085 0.150 0.032 0.087 0.023 0.062 0.324 0.082 0.259 0.258 1.685 1.634 1.614 1.644 1.634 1.650 1.635 0.833 0.561 0.734 0.636 0.561 0.561 0.051 0.071 0.041 0.051 0.035 0.050 0.272 0.098 0.173 0.173 1.667 1.445 1.273 1.583 1.441 1.605 1.503 0.877 0.555 0.760 0.701 0.525 0.528 0.222 0.394 0.084 0.226 0.062 0.164 0.322 0.059 0.235 0.232 1.637 1.602 1.362 1.620 1.598 1.620 1.614 0.805 0.555 0.706 0.618 0.536 0.538 0.035 0.275 0.017 0.039 0.017 0.023 0.250 0.088 0.170 0.168 Ctrl-2 PreLNB SCR 2606.000PreLNB SCR 2332.000PreLNB SCR 2913.000 7851.000$27,858,991 grca 4.736 4.370 3.378 4.610 4.369 4.639 4.461 4.027 1.999 3.658 3.108 1.912 1.918 0.366 1.358 0.126 0.367 0.097 0.275 2.028 0.550 1.746 1.740 3.401 2.889 2.276 3.218 2.902 3.254 3.007 2.354 1.166 2.100 1.771 1.092 1.098 0.512 1.125 0.183 0.499 0.147 0.394 1.188 0.329 1.008 1.002 2.344 2.249 1.942 2.317 2.263 2.328 2.231 1.704 0.932 1.519 1.292 0.898 0.899 0.095 0.402 0.027 0.081 0.016 0.113 0.772 0.227 0.621 0.620 3.367 2.889 2.350 3.218 2.902 3.237 3.007 2.470 1.239 2.210 1.859 1.189 1.193 0.478 1.017 0.149 0.465 0.130 0.360 1.231 0.351 1.021 1.017 Ctrl-3 Pre-LNB + SOFA 0.000Pre-LNB + SOFA 0.000PreLNB SNCR 1082.000 1082.000 $3,284,409
maza 2.157 1.940 1.553 2.076 1.938 2.093 1.986 1.502 0.893 1.379 1.223 0.867 0.869 0.217 0.604 0.081 0.219 0.064 0.171 0.609 0.156 0.512 0.510 2.398 2.219 1.941 2.319 2.218 2.325 2.222 1.521 0.878 1.372 1.154 0.855 0.857 0.179 0.457 0.079 0.180 0.073 0.176 0.643 0.218 0.517 0.515 2.233 2.185 1.916 2.194 2.185 2.196 2.190 1.455 0.955 1.326 1.166 0.917 0.919 0.048 0.317 0.039 0.048 0.037 0.043 0.500 0.160 0.409 0.407 2.378 2.185 1.862 2.284 2.190 2.310 2.206 1.502 0.916 1.372 1.171 0.914 0.914 0.193 0.516 0.094 0.188 0.068 0.172 0.586 0.201 0.458 0.458 Ctrl-4 Pre-LNB + SOFA 0.000Pre-LNB + SOFA 0.000PreLNB SCR 2913.000 2913.000$10,781,102
meve 1.386 1.218 1.058 1.303 1.212 1.335 1.256 1.005 0.437 0.875 0.699 0.424 0.426 0.168 0.328 0.083 0.174 0.051 0.130 0.568 0.176 0.451 0.449 1.941 1.694 1.248 1.833 1.688 1.883 1.793 1.349 0.648 1.183 0.967 0.610 0.613 0.247 0.693 0.108 0.253 0.058 0.148 0.701 0.216 0.573 0.570 2.228 1.894 1.452 2.106 1.893 2.131 1.968 1.662 0.771 1.459 1.200 0.724 0.728 0.334 0.776 0.122 0.335 0.097 0.260 0.891 0.259 0.735 0.731 1.882 1.616 1.248 1.767 1.613 1.804 1.676 1.339 0.626 1.174 0.965 0.586 0.589 0.266 0.634 0.115 0.269 0.078 0.206 0.713 0.209 0.588 0.585 Ctrl-5 Pre-LNB + SOFA 0.000PreLNB SNCR 871.000Pre-LNB + SOFA 0.000 871.000 $2,607,329 moba 2.065 1.805 1.401 1.985 1.802 1.993 1.828 1.572 0.739 1.354 1.067 0.695 0.699 0.260 0.664 0.080 0.263 0.072 0.237 0.833 0.287 0.659 0.655 1.897 1.819 1.731 1.824 1.819 1.825 1.821 1.357 0.710 1.192 0.991 0.692 0.693 0.078 0.166 0.073 0.078 0.072 0.076 0.647 0.201 0.500 0.499 2.028 2.015 1.617 2.023 2.015 2.024 2.017 1.013 0.716 0.901 0.769 0.715 0.715 0.013 0.411 0.005 0.013 0.004 0.011 0.297 0.132 0.186 0.186 2.046 1.903 1.613 2.020 1.901 2.024 1.960 1.346 0.730 1.162 0.987 0.715 0.715 0.143 0.433 0.026 0.145 0.022 0.086 0.616 0.175 0.447 0.447 Ctrl-6 Pre-LNB + SOFA 0.000PreLNB SCR 2332.000Pre-LNB + SOFA 0.000 2332.000 $8,842,201 pefo 5.553 5.166 4.707 5.410 5.150 5.437 5.232 4.934 3.485 4.617 4.252 3.413 3.418 0.387 0.846 0.143 0.403 0.116 0.321 1.449 0.365 1.204 1.199 5.230 4.909 4.215 5.154 4.905 5.166 4.987 4.387 3.138 4.118 3.689 3.092 3.096 0.321 1.015 0.076 0.325 0.064 0.243 1.249 0.429 1.026 1.022 6.220 5.656 5.178 6.034 5.693 6.012 5.632 5.184 3.559 4.782 4.304 3.478 3.483 0.564 1.042 0.186 0.527 0.208 0.588 1.625 0.478 1.304 1.299 5.553 5.322 4.707 5.490 5.322 5.496 5.324 4.863 3.381 4.606 4.187 3.334 3.337 0.231 0.846 0.063 0.231 0.057 0.229 1.482 0.419 1.272 1.269 Basecorr Pre-LNB+SO2corr 0.000PreLNB + SO2c 0.000PreLNB + SO2c 0.000 0.000 $0 pimo 1.576 1.391 1.187 1.509 1.392 1.519 1.421 1.064 0.586 0.952 0.810 0.561 0.563 0.185 0.389 0.067 0.184 0.057 0.155 0.478 0.142 0.391 0.389 2.031 1.918 1.669 1.977 1.918 1.989 1.923 1.310 0.727 1.174 0.996 0.709 0.71 0.113 0.362 0.054 0.113 0.042 0.108 0.583 0.178 0.465 0.464 1.720 1.709 1.463 1.712 1.709 1.713 1.708 0.780 0.611 0.769 0.673 0.610 0.61 0.011 0.257 0.008 0.011 0.007 0.012 0.169 0.096 0.159 0.159 1.840 1.716 1.463 1.772 1.715 1.788 1.711 1.066 0.652 0.983 0.849 0.652 0.652 0.124 0.377 0.068 0.125 0.052 0.129 0.414 0.134 0.331 0.331 CTRL2 PreLNB SCR SO2c 2606.000PreLNB SCR SO2c 2332.000PreLNB SCR SO2c 2913.000 7851.000$27,858,991 sagu 1.154 1.081 0.843 1.152 1.081 1.154 1.096 0.478 0.383 0.449 0.446 0.372 0.374 0.073 0.311 0.002 0.073 0.000 0.058 0.095 0.003 0.077 0.075 0.848 0.798 0.648 0.848 0.797 0.848 0.830 0.361 0.258 0.313 0.309 0.242 0.243 0.050 0.200 0.000 0.051 0.000 0.018 0.103 0.004 0.071 0.070 0.598 0.555 0.541 0.580 0.555 0.580 0.569 0.364 0.206 0.327 0.281 0.200 0.2 0.043 0.057 0.018 0.043 0.018 0.029 0.158 0.046 0.127 0.127 0.922 0.844 0.726 0.877 0.844 0.888 0.847 0.412 0.317 0.382 0.362 0.311 0.312 0.078 0.196 0.045 0.078 0.034 0.075 0.095 0.020 0.071 0.070 Rev Base Post-LNB+SO2corr 0.000Post-LNB+SO2corr 0.000Post-LNB+SO2corr 0.000 0.000 $0 sian 2.384 2.319 2.140 2.321 2.318 2.332 2.320 1.864 0.969 1.626 1.360 0.942 0.944 0.065 0.244 0.063 0.066 0.052 0.064 0.895 0.266 0.684 0.682 2.680 2.540 1.972 2.643 2.528 2.644 2.627 1.794 1.029 1.628 1.388 0.999 1 0.140 0.708 0.037 0.152 0.036 0.053 0.765 0.240 0.629 0.628 2.251 2.009 1.780 2.159 2.008 2.177 2.081 1.436 0.959 1.409 1.277 0.938 0.939 0.242 0.471 0.092 0.243 0.074 0.170 0.477 0.132 0.471 0.470 2.644 2.324 2.000 2.561 2.319 2.553 2.335 1.729 1.023 1.551 1.362 0.999 1 0.320 0.644 0.083 0.325 0.091 0.309 0.706 0.189 0.552 0.551 CTRL1_R PostLNB SNCR SO2c 867.000PostLNB SNCR SO2c871.000PostLNB SNCR SO2c1082.000 2820.000 $8,436,045 supe 2.466 2.316 1.882 2.457 2.317 2.459 2.372 1.791 1.067 1.599 1.372 1.048 1.048 0.150 0.584 0.009 0.149 0.007 0.094 0.724 0.227 0.551 0.551 2.588 2.471 1.951 2.544 2.472 2.553 2.504 1.710 0.972 1.556 1.350 0.967 0.969 0.117 0.637 0.044 0.116 0.035 0.084 0.738 0.206 0.589 0.587 1.927 1.795 1.682 1.843 1.794 1.854 1.804 1.189 0.811 1.127 0.997 0.811 0.811 0.132 0.245 0.084 0.133 0.073 0.123 0.378 0.130 0.316 0.316 2.446 2.311 1.917 2.399 2.306 2.407 2.339 1.668 0.971 1.503 1.305 0.934 0.936 0.135 0.529 0.047 0.140 0.039 0.107 0.697 0.198 0.569 0.567 CTRL2_R PostLNB SCR 84% CE;SO2c2427.600PostLNB SCR SO2c2332.000PostLNB SCR SO2c2913.000 7672.600$27,741,193 syca 2.342 2.122 1.731 2.224 2.121 2.248 2.128 1.782 0.826 1.566 1.285 0.824 0.824 0.220 0.611 0.118 0.221 0.094 0.214 0.956 0.281 0.742 0.742 2.959 2.760 2.183 2.820 2.760 2.849 2.762 1.929 1.045 1.741 1.477 1.012 1.016 0.199 0.776 0.139 0.199 0.110 0.197 0.884 0.264 0.729 0.725 1.985 1.887 1.591 1.948 1.887 1.956 1.910 1.235 0.703 1.077 0.868 0.691 0.692 0.098 0.394 0.037 0.098 0.029 0.075 0.532 0.209 0.386 0.385 2.501 2.222 1.810 2.392 2.215 2.420 2.309 1.782 0.867 1.552 1.262 0.830 0.833 0.279 0.691 0.109 0.286 0.081 0.192 0.915 0.290 0.722 0.719 ctrl2-r2 PostLNB SCR 83% CE;SO2c2400.000PostLNB SCR SO2c2332.000PostLNB SCR SO2c2913.000 7645.000$27,736,569 **Total 30.581** **28.092 23.628** **29.664 28.054** **29.856 28.553** **22.956 12.923** **20.711 17.858** **12.548 12.574**  **2.489 6.953**  **0.917 2.527**  **0.725 2.028** **10.033 2.853**  **8.163 8.137** **30.253 28.031** **23.482 29.342** **28.028 29.517** **28.533 20.491** **11.938 18.495** **15.871 11.611** **11.637 2.222**  **6.771 0.911**  **2.225 0.736**  **1.720 8.553**  **2.624 6.884**  **6.858 28.906** **26.559 23.132** **27.982 26.577** **28.123 26.910**  **19.539 11.943**  **17.815 15.478**  **11.627 11.646**  **2.347 5.774**  **0.924 2.329**  **0.783 1.996**  **7.596 2.337**  **6.188 6.169**  **30.551 27.795**  **23.407 29.546**  **27.783 29.739**  **28.282 21.228**  **12.429 19.233**  **16.630 12.097**  **12.120 2.756**  **7.144 1.005**  **2.768 0.812**  **2.269 8.799**  **2.603 7.136**  **7.113 Table 3(a). Original NOx Control Technologies for Cholla Units 2-4** (from Andover Technology Partners Report Table 4-7) version 5/29/2012

SNCR SCR SNCR SCR SNCR SCR **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2** 

care 0.107 0.100 0.104 0.109 0.102 0.104 0.116 0.090 0.098 0.099 0.074 0.044 0.071 0.071 0.073 0.074 0.079 0.065 0.065 0.066 0.169 0.113 0.172 0.176 0.150 0.151 0.157 0.113 0.133 0.133 0.128 0.103 0.120 0.128 0.111 0.123 0.116 0.094 0.101 0.101 Capacity Factor 74% 74% 75% 75% 72% 72% gali 0.002 0.010 0.001 0.001 0.003 0.002 0.021 0.023 0.017 0.017 0.000 0.028 0.000 0.000 0.000 0.000 0.021 0.021 0.013 0.013 0.020 0.016 0.033 0.020 0.031 0.024 0.031 0.032 0.028 0.028 0.036 0.022 0.055 0.036 0.053 0.040 0.024 0.023 0.021 0.021 Control Efficiency 30% 84% 30% 80% 30% 81% gila 0.029 0.019 0.030 0.030 0.026 0.027 0.041 0.029 0.034 0.034 0.018 0.009 0.038 0.018 0.040 0.021 0.035 0.035 0.023 0.023 0.077 0.050 0.078 0.078 0.071 0.070 0.041 0.021 0.031 0.030 0.012 0.035 0.016 0.013 0.020 0.010 0.032 0.031 0.022 0.022 **Uncontrolled Rate**
grca 0.127 0.173 0.116 0.126 0.111 0.118 0.258 0.195 0.228 0.228 0.178 0.143 0.169 0.171 0.169 0.169 0.151 0.117 0.131 0.131 0.033 0.051 0.025 0.028 0.018 0.048 0.098 0.080 0.081 0.081 0.166 0.130 0.138 0.160 0.149 0.154 0.157 0.124 0.133 0.133 NOx Rate (lb/hr) 955 955 884 884 1144 1144
maza 0.075 0.077 0.075 0.075 0.073 0.073 0.078 0.055 0.067 0.067 0.062 0.058 0.073 0.062 0.084 0.075 0.082 0.077 0.067 0.067 0.017 0.040 0.036 0.016 0.042 0.018 0.064 0.057 0.053 0.053 0.067 0.066 0.087 0.065 0.078 0.074 0.075 0.071 0.060 0.060 NOx Rate (lb/MMBtu) 0.32 0.32 0.25 0.25 0.26 0.26
meve 0.058 0.042 0.077 0.060 0.059 0.056 0.072 0.062 0.059 0.059 0.086 0.088 0.100 0.087 0.067 0.063 0.089 0.077 0.075 0.075 0.116 0.099 0.113 0.115 0.111 0.111 0.113 0.092 0.096 0.096 0.092 0.081 0.106 0.092 0.090 0.088 0.091 0.074 0.077 0.077 NOx (TPY) 3096 3096 2904 2904 3607 3607 moba 0.090 0.085 0.074 0.090 0.083 0.102 0.106 0.102 0.086 0.086 0.027 0.021 0.067 0.027 0.083 0.033 0.082 0.071 0.065 0.065 0.005 0.052 0.005 0.004 0.005 0.005 0.038 0.047 0.024 0.024 0.050 0.055 0.024 0.050 0.025 0.037 0.078 0.062 0.058 0.058 **Controlled Rate** pefo 0.134 0.108 0.132 0.138 0.133 0.138 0.185 0.129 0.157 0.157 0.111 0.129 0.070 0.112 0.073 0.104 0.159 0.152 0.134 0.134 0.196 0.133 0.172 0.181 0.239 0.252 0.207 0.170 0.170 0.170 0.080 0.108 0.058 0.079 0.065 0.098 0.189 0.149 0.166 0.166 NOx Rate (lb/hr) 669 151 619 174 801 220 pimo 0.064 0.050 0.062 0.063 0.065 0.066 0.061 0.050 0.051 0.051 0.039 0.046 0.050 0.039 0.048 0.046 0.074 0.063 0.061 0.061 0.004 0.033 0.007 0.004 0.008 0.005 0.022 0.034 0.021 0.021 0.043 0.048 0.063 0.043 0.060 0.055 0.053 0.048 0.043 0.043 NOx Rate (lb/MMBtu) 0.22 0.05 0.18 0.05 0.18 0.05 sagu 0.025 0.040 0.002 0.025 0.000 0.025 0.012 0.001 0.010 0.010 0.017 0.025 0.000 0.018 0.000 0.008 0.013 0.001 0.009 0.009 0.015 0.007 0.017 0.015 0.021 0.012 0.020 0.016 0.017 0.017 0.027 0.025 0.042 0.027 0.039 0.032 0.012 0.007 0.009 0.009 NOx (TPY) 2167 490 2033 572 2525 694 sian 0.023 0.031 0.058 0.023 0.060 0.027 0.114 0.094 0.089 0.089 0.049 0.090 0.034 0.052 0.041 0.023 0.097 0.085 0.082 0.082 0.084 0.060 0.085 0.083 0.085 0.073 0.061 0.047 0.061 0.061 0.111 0.082 0.077 0.112 0.104 0.133 0.090 0.067 0.072 0.072 supe 0.052 0.074 0.008 0.051 0.008 0.040 0.092 0.080 0.072 0.072 0.041 0.081 0.041 0.040 0.040 0.036 0.094 0.073 0.077 0.077 0.046 0.031 0.078 0.046 0.084 0.053 0.048 0.046 0.041 0.041 0.047 0.067 0.043 0.048 0.045 0.046 0.089 0.070 0.074 0.074 **Tons/Year Removed** 929 2606 871 2332 1082 2913 syca 0.076 0.078 0.109 0.076 0.108 0.092 0.122 0.100 0.097 0.097 0.069 0.099 0.128 0.068 0.126 0.084 0.113 0.094 0.095 0.095 0.034 0.050 0.034 0.034 0.033 0.032 0.068 0.074 0.050 0.050 0.097 0.088 0.101 0.098 0.093 0.082 0.117 0.103 0.094 0.094 **Average 0.066**  **0.068 0.065**  **0.067 0.064**  **0.067 0.098**  **0.078 0.082**  **0.082 0.059**  **0.066 0.065**  **0.059 0.065**  **0.057 0.084**  **0.072 0.069**  **0.069 0.063**  **0.057 0.066**  **0.062 0.069**  **0.066 0.074**  **0.064 0.062**  **0.062 0.074**  **0.070 0.071**  **0.073 0.072**  **0.075 0.086**  **0.071 0.072**  **0.072 Total Cost, $/year**  $2,673,109$8,235,688 $2,607,329$8,842,201 $3,284,409########### **$/Ton** $2,878 $3,160 $2,993 $3,792 $3,035 $3,700 dv_max/TPY0.13 0.17 0.13 0.14 0.13 0.14 0.26 0.20 0.23 0.23 0.18 0.14 0.17 0.17 0.17 0.17 0.16 0.15 0.13 0.13 0.20 0.13 0.17 0.18 0.24 0.25 0.21 0.17 0.17 0.17 0.17 0.13 0.14 0.16 0.15 0.15 0.19 0.15 0.17 0.17 **$/Ton (incremental)** $2,878 $3,317 $2,993 $4,268 $3,035 $4,094 dv_sum/TPY0.86 0.89 0.85 0.87 0.83 0.87 1.28 1.01 1.06 1.06 0.77 0.86 0.84 0.76 0.85 0.74 1.09 0.93 0.90 0.90 0.81 0.74 0.85 0.80 0.90 0.86 0.97 0.83 0.81 0.81 0.96 0.91 0.93 0.95 0.93 0.97 1.12 0.92 0.93 0.93 "$/Ton (incremental)" for SNCR is: ($/yr SCNR) / (tons/yr SNCR) "$/Ton (incremental)" for SCR is: ($/yr SCR - $/yr SCNR) / (tons/yr SCR - tons/yr SNCR) **Table 3(b). Updated NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version 6/19/2012

**Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  SNCR SCR SNCR SCR SNCR SCR
care 28 36 29 34 29 36 31 33 37 37 40 81 43 52 41 51 45 46 55 55 18 31 18 21 20 25 23 26 27 27 23 34 25 29 27 31 31 32 36 36 gali 1713 340 3284 3594 869 2211 170 132 209 209 8565 127 #N/A 10781 #N/A 8842 172 145 272 272 150 226 91 186 97 161 115 95 128 128 82 160 56 104 57 94 151 130 172 173 Capacity Factor 74% 74% 75% 75% 72% 72% gila 101 186 103 124 113 143 86 103 107 108 168 392 80 211 74 177 102 86 160 160 39 71 39 48 42 54 87 143 118 120 245 101 193 276 153 384 111 96 163 165 Control Efficiency 30% 83%* 30% 80% 30% 81%*Addt'l 1% CE on Unit 2 SCR grca 23 21 26 29 27 32 14 15 16 16 17 25 18 22 18 22 23 26 28 28 90 69 122 133 163 78 36 37 45 45 18 27 22 23 20 25 23 24 27 27 **Uncontrolled Rate**

maza 39 46 41 49 41 52 46 54 54 54 48 61 42 60 36 50 43 39 54 54 178 88 84 225 70 206 56 53 68 68 44 54 35 57 38 51 48 42 61 61 NOx Rate (lb/hr) 892 892 884 884 1144 1144
meve 51 85 40 62 51 68 49 48 62 62 35 40 30 43 45 60 40 39 48 49 26 36 27 32 27 34 31 33 38 38 32 44 29 40 33 43 39 40 47 47 NOx Rate (lb/MMBtu) 0.295 0.295 0.25 0.25 0.26 0.26 moba 33 42 41 41 36 37 33 29 42 42 110 168 45 138 36 116 43 42 55 56 659 68 657 829 652 804 94 64 149 149 60 64 126 74 119 103 45 48 62 62 NOx (TPY) 2890 2890 2904 2904 3607 3607 pefo 22 33 23 27 22 28 19 23 23 23 27 27 43 33 41 36 22 20 27 27 15 27 18 20 13 15 17 18 21 21 37 33 52 47 46 39 19 20 22 22 **Controlled Rate** pimo 46 72 49 59 46 57 58 59 71 71 76 77 61 95 62 82 48 47 60 60 779 108 411 980 372 737 165 88 174 174 69 74 48 86 50 69 67 63 84 84 NOx Rate (lb/hr) 624 151 619 174 801 220 sagu 117 90 1642 148 #N/A 152 293 2812 360 370 171 139 #N/A 211 #N/A 491 270 2109 391 396 199 489 182 251 145 305 176 183 218 218 110 142 73 138 77 118 293 422 391 396 NOx Rate (lb/MMBtu) 0.21 0.05 0.18 0.05 0.18 0.05 sian 132 114 52 163 50 138 31 32 41 41 61 39 89 71 72 167 36 35 44 44 35 59 36 44 35 52 58 64 59 59 27 43 40 33 29 29 39 45 50 50 NOx (TPY) 2023 490 2033 572 2525 694 supe 57 48 365 72 372 94 38 37 50 50 73 44 75 93 74 105 38 41 47 47 65 114 39 81 36 72 74 65 88 88 63 53 70 77 67 83 40 43 49 49 syca 39 46 28 49 28 41 29 30 37 37 43 36 24 54 24 45 32 32 38 38 87 71 89 110 90 118 52 40 72 72 31 40 30 38 32 46 30 29 38 39 **Tons/Year Removed** 867 2400 871 2332 1082 2913
**Total Cost, $/year** $2,544,307$8,113,266 $2,607,329$8,842,201 $3,284,409###########$8,117,890per ATP 6/23/12 **$/Ton** $2,935 $3,308 $2,993 $3,792 $3,035 $3,700 **$/Ton (incremental)** $2,935 $3,632 $2,993 $4,268 $3,035 $4,094 **Cholla 3 - NOx** *Uses the formula:dv/ thousand TPY≡1000* dv change relative to base / TPY reduction relative to base **Table 1(b). Visibility Impairment (98** **th Percentile) at Each Class I Area (CIA) Within APS Cholla's Zone of Influence (300 km) for 2001-2003 Base Case Emissions and Control Options** (listed in Table 2)

**CIA** **Table 4(b). Control Option Visibility Benefits (dv/thousand TPY)* for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003** **CIA**

**All Years 2003**  **Unit 2 Unit 3** 

†million$/dv = $ per year in millions from Table 3 divided by dv benefit from Table 1(b) for each control option. **Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx**

**Table 5(b). Control Option Cost Effectivenessin million $/dv †**  **for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003 CIA**  **2001 Cholla 2 - NOx**  **2001 2002**  **2003**

**Cholla 4 - NOx Change relative to base (dv)**  **98 th** **Percentile****-dv Change relative to base (dv)**  **Unit 4 All Years**  **Table 2. Control Options (per EPA Region 9) and Corresponding Emission Reductions Relative to Base Used in Visibility Modeling**

**2001**

**2002 2003**  **All Years 98** **th Percentile** **-dv Change relative to base (dv)**  **98 th** **Percentile****-dv Change relative to base (**  **-dv) 98** **th Percentile** **-dv**

**2002**Conversion (lb/day to TPY) :
0.183Cholla units 2, 3, and 4

**Table 2. Control Options (per EPA Region 9) and Corresponding Emission Reductions Relative to Base Used in Visibility Modeling All Units**  **All Units**

Controls **Technology Used**  **-Emissions**

**(TPY, max day)****-Emissions**

**(TPY, max day) Technology** 

**Used** **-Emissions**

**(TPY, max day) -Emissions** 

**(TPY, annual av)**  **$/year**
**Pre-LNB SOFA Base**  Pre-LNB + SOFA 0 0Pre-LNB + SOFA 0 0 $0 **Pre-LNB SNCR Ctrl-1**  PreLNB SNCR 929 871PreLNB SNCR 1082 2882 $8,564,847 **Pre-LNB SCR Ctrl-2**  PreLNB SCR 2606 2332PreLNB SCR 2913 7851$27,858,991 **Pre-LNB SNCR u.4 Ctrl-3**  Pre-LNB + SOFA 0 0PreLNB SNCR 1082 1082 $3,284,409 **Pre-LNB SCR u.4 Ctrl-4**  Pre-LNB + SOFA 0 0PreLNB SCR 2913 2913$10,781,102 **Pre-LNB SNCR u.3 Ctrl-5**  Pre-LNB + SOFA 0 871Pre-LNB + SOFA 0 871 $2,607,329 **Pre-LNB SCR u.3 Ctrl-6**  Pre-LNB + SOFA 0 2332Pre-LNB + SOFA 0 2332 $8,842,201 **Pre-LNB; SO2cor Basecorr** Pre-LNB+SO2corr 0 0PreLNB + SO2c 0 0 $0 **Pre-LNB SCR SO2c CTRL2**  PreLNB SCR SO2c 2606 2332PreLNB SCR SO2c 2913 7851$27,858,991 **Post-LNB SO2cor Rev Base** Post-LNB+SO2corr 0 0Post-LNB+SO2corr 0 0 $0 **Post-LNB SNCR SO2c CTRL1_R** PostLNB SNCR SO2c 867 871PostLNB SNCR SO2c1082 2820 $8,436,045 **PoLN SCR 84%CE, SO2c CTRL2_R** PostLNB SCR 84% CE;SO2c 2428 2332PostLNB SCR SO2c 2913 7673$27,741,193 **PoLN SCR 83%CE, SO2c ctrl2-r2**  PostLNB SCR 83% CE;SO2c 2400 2332PostLNB SCR SO2c 2913 7645$27,736,569
**Table 3(a). Original NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version 5/29/12 **Table 3(b). Updated NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version6/19/12

SNCR SCR SCR SNCR SCR SNCR SCR SNCR SCR SNCR SCR Capacity Factor 74% 74% 75% 72% 72% Capacity Factor 74% 74% 75% 75% 72% 72% Control Efficiency 30% 84% 80% 30% 81% Control Efficiency 30% 83%* 30% 80% 30% 81%*Addt'l 1% CE on Unit 2 SCR **Uncontrolled Rate Uncontrolled Rate**  NOx Rate (lb/hr) 955 955 884 1144 1144 NOx Rate (lb/hr) 892 892 884 884 1144 1144 NOx Rate (lb/MMBtu) 0.32 0.32 0.25 0.26 0.26 NOx Rate (lb/MMBtu) 0.295 0.295 0.25 0.25 0.26 0.26 NOx (TPY) 3096 3096 2904 3607 3607 NOx (TPY) 2890 2890 2904 2904 3607 3607 **Controlled Rate Controlled Rate**  NOx Rate (lb/hr) 669 151 174 801 220 NOx Rate (lb/hr) 624 151 619 174 801 220 NOx Rate (lb/MMBtu) 0.22 0.05 0.05 0.18 0.05 NOx Rate (lb/MMBtu) 0.21 0.05 0.18 0.05 0.18 0.05 NOx (TPY) 2167 490 572 2525 694 NOx (TPY) 2023 490 2033 572 2525 694
**Tons/Year Removed** 929 2606 2332 1082 2913 **Tons/Year Removed** 867 2400 871 2332 1082 2913
**Total Cost, $/year** $2,673,109$8,235,688$8,842,201$3,284,409$10,781,102 **Total Cost, $/year**$2,544,307$8,113,266$2,607,329$8,842,201$3,284,409$10,781,102$8,117,890per ATP 6/23/12 **$/Ton** $2,878 $3,160 $3,792 $3,035 $3,700 **$/Ton** $2,935 $3,308 $2,993 $3,792 $3,035 $3,700 **$/Ton (incremental)** $2,878 $3,317 $4,268 $3,035 $4,094 **$/Ton (incremental)** $2,935 $3,632 $2,993 $4,268 $3,035 $4,094

Cholla units 2, 3, and 4 draft UNC results, 2012-04-30

visibility method 8, annual average background Using dv from area with highest impact (13 areas)

Controls **Control Option**  **ton/yr**

**reduction cost, $/yr** 

**(millions) visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY** 

**(x 1000) $/dv** 

**(millions)**# areas w/

improvement ≥ 0.5 dv **Pre-LNB SOFA Base**  0 $0.0 4.5 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 4.3 0.33 0.115 $26 0 **Pre-LNB SCR Ctrl-2**  7851 $27.9 3.7 0.83 0.105 $34 4 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 4.4 0.11 0.102 $30 0 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 4.3 0.32 0.111 $33 0 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 4.4 0.11 0.122 $25 0 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 4.3 0.28 0.121 $31 0 **Pre-LNB; SO2cor Basecorr**  0 $0.0 3.9 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 2.6 1.32 0.168 $21 8 **Post-LNB SO2cor Rev Base**  0 $0.0 3.7 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 3.3 0.43 0.151 $20 0 **PoLN SCR 84%CE, SO2c CTRL2_R**  7673 $27.7 2.6 1.13 0.147 $25 5 **PoLN SCR 83%CE, SO2c Ctrl2-r2**  7645 $27.7 2.6 1.12 0.147 $25 5
(same tons & costs as above) Using dv sum over all areas (13 areas)

Controls **Control Option**  **ton/yr**

**reduction cost, $/yr** 

**(millions) visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY** 

**(x 1000) $/dv** 

**(millions) Pre-LNB SOFA**  **Base** 0 $0.0 22.3 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 20.4 1.90 0.659 $4.5 **Pre-LNB SCR Ctrl-2**  7851 $27.9 16.9 5.46 0.696 $5.1 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 21.8 0.57 0.530 $5.7 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 20.4 1.92 0.659 $5.6 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 21.9 0.47 0.538 $5.6 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 20.7 1.59 0.682 $5.6 **Pre-LNB; SO2cor Basecorr**  0 $0.0 16.1 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 8.9 7.21 0.918 $3.9 **Post-LNB SO2cor Rev Base**  0 $0.0 14.4 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 12.3 2.16 0.766 $3.9 **PoLN SCR 84%CE, SO2c CTRL2_R**  7673 $27.7 8.7 5.73 0.747 $4.8 **PoLN SCR 83%CE, SO2c Ctrl2-r2**  7645 $27.7 8.7 5.71 0.747 $4.9 **Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx Control**  **Option Unit 2**  **Unit 3 Unit 4** 

**Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx**

## Cholla units 2, 3, and 4 0

visibility method 8, annual average background (this page edited from vis8.annav sheet) Table 1(c). Visibility Impairment (98th Percentile) for 2001-2003 Base Case Emissions and Control Options

Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 BasecorrCTRL2Rev BaseCtrl1_R

CIA**Class I Area** Pre-LNB SOFA Pre-LNB

SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4Pre-LNB

SNCR u.3Pre-LNB

SCR u.3Pre-LNB;

SO2corPre-LNB

SCR SO2cPost-LNB

SO2corPost-LNB

SNCR SO2c

careCapitol Reef 1.77 1.51 1.13 1.71 1.50 1.74 1.58 1.36 0.59 1.17 0.96 galiGaliuro 0.70 0.60 0.55 0.65 0.60 0.66 0.61 0.38 0.25 0.35 0.32 gilaGila 1.13 1.09 0.99 1.13 1.09 1.13 1.12 0.61 0.37 0.53 0.47 grcaGrand Canyon 2.50 2.17 1.67 2.39 2.18 2.39 2.21 1.85 0.88 1.63 1.35

mazaMazatzal 1.66 1.53 1.30 1.61 1.53 1.62 1.56 1.06 0.62 0.95 0.83

meveMesa Verde 1.60 1.35 1.01 1.53 1.34 1.54 1.42 1.18 0.51 1.03 0.84

mobaMount Baldy 1.49 1.46 1.18 1.48 1.46 1.49 1.46 1.07 0.53 0.91 0.71 pefoPetrified Forest **4.53** 4.30 3.74 4.42 4.30 4.43 4.30 3.93 2.61 3.69 3.26 pimoPine Mountain 1.26 1.16 1.01 1.22 1.16 1.23 1.16 0.74 0.43 0.67 0.57 saguSaguaro 0.60 0.53 0.45 0.57 0.53 0.58 0.54 0.28 0.21 0.25 0.23 sianSierra Ancha 1.79 1.68 1.38 1.79 1.68 1.79 1.66 1.27 0.70 1.10 0.95 supeSuperstition 1.66 1.56 1.28 1.64 1.56 1.65 1.59 1.16 0.63 1.03 0.89 sycaSycamore Canyon 1.65 1.50 1.17 1.62 1.50 1.63 1.53 1.24 0.59 1.10 0.88 **Total** 22.34 20.44 16.87 21.76 20.41 21.87 20.74 16.12 8.91 14.42 12.26 **Max** 4.53 4.30 3.74 4.42 4.30 4.43 4.30 3.93 2.61 3.69 3.26 **# CIAs w.****-dv >0.5** 13 13 12 13 13 13 13 11 9 11 10
**Table 4(c). Control Option Visibility Benefits (dv/thousand TPY)*** **Class I Area** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_RCtrl2-r2

CIA Pre-LNB SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4 Pre-LNB

SNCR u.3Pre-LNB

SCR u.3 Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2c PoLN SCR

83%CE, SO2c

careCapitol Reef 0.091 0.082 0.056 0.093 0.039 0.082 0.098 0.076 0.080 0.080 galiGaliuro 0.032 0.019 0.040 0.032 0.038 0.036 0.017 0.013 0.014 0.014 gilaGila 0.014 0.018 0.005 0.014 0.005 0.004 0.031 0.024 0.022 0.022 grcaGrand Canyon 0.115 0.105 0.102 0.111 0.122 0.121 0.124 0.100 0.103 0.103

mazaMazatzal 0.047 0.047 0.055 0.048 0.054 0.046 0.057 0.043 0.044 0.044

meveMesa Verde 0.085 0.075 0.061 0.088 0.065 0.073 0.085 0.069 0.071 0.071 mobaMount Baldy 0.008 0.039 0.002 0.008 0.001 0.009 0.069 0.070 0.051 0.050 pefoPetrified Forest 0.079 0.100 0.095 0.079 0.113 0.098 0.168 0.151 0.147 0.147 **98 th** **Percentile D-dv**

pefoPetrified Forest 0.079 0.100 0.095 0.079 0.113 0.098 0.168 0.151 0.147 0.147 pimoPine Mountain 0.033 0.031 0.031 0.033 0.026 0.040 0.039 0.034 0.031 0.031 saguSaguaro 0.025 0.020 0.030 0.026 0.029 0.027 0.009 0.006 0.006 0.006 sianSierra Ancha 0.040 0.053 0.000 0.041 0.000 0.059 0.072 0.053 0.054 0.054 supeSuperstition 0.034 0.048 0.019 0.034 0.017 0.030 0.067 0.048 0.054 0.054 sycaSycamore Canyon 0.055 0.062 0.033 0.054 0.030 0.054 0.083 0.078 0.070 0.070 **Average** 0.051 0.054 0.041 0.051 0.041 0.052 0.071 0.059 0.057 0.057 **dv_sum/TPY** 0.659 0.696 0.530 0.659 0.538 0.682 0.918 0.766 0.747 0.747 **dv_max/TPY** 0.115 0.105 0.102 0.111 0.122 0.121 0.168 0.151 0.147 0.147 

### *Uses the formula: dv/thousand TPY = 1000 *(dv change relative to base) / (TPY reduction relative to base)
**Table 5(c). Control Option Cost Effectiveness (million $/dv)†** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_RCtrl2-r2

CIA Pre-LNB; SO2corPre-LNB

SCR SO2cPoLN SCR

83%CE, SO2cPoLN SCR

83%CE, SO2cPoLN SCR

83%CE, SO2cPoLN SCR

83%CE, SO2c Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2cPoLN SCR

83%CE, SO2c

careCapitol Reef 33 43 54 40 77 46 36 39 45 45 galiGaliuro 92 190 76 117 79 104 206 228 252 252 gilaGila 209 200 657 263 652 884 116 124 167 167 grcaGrand Canyon 26 34 30 33 25 31 29 30 35 35

mazaMazatzal 63 76 56 78 55 82 63 70 82 82

meveMesa Verde 35 47 50 42 46 52 42 43 51 51

mobaMount Baldy 357 92 1642 449 2607 402 52 43 71 72 pefoPetrified Forest 38 36 32 47 27 39 21 20 25 25 pimoPine Mountain 89 115 97 112 113 94 92 87 116 116 saguSaguaro 117 181 100 142 104 138 410 469 645 645 sianSierra Ancha 75 67 N/A 91 N/A 64 50 57 67 67 supeSuperstition 87 74 156 110 174 128 53 62 67 67 sycaSycamore Canyon 54 58 91 68 100 70 43 38 52 52 **$/dv_sum** 4.5 5.1 5.7 5.6 5.6 5.6 3.9 3.9 4.8 4.9 **$/dv_max** 25.8 33.7 29.9 33.5 24.6 31.2 21.1 19.8 24.7 24.7 **Class I Area**

### †$/dv = $ per year from Table 3 divided by delta dv from Table 1(c) for each control option, in millionsCtrl2_R ctrl2-r2 BasecorrRev Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R

PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c Pre-LNB;

SO2corPost-LNB

SO2corPre-LNB

SNCRPre-LNB SCRPre-LNB SNCR u.4Pre-LNB SCR

u.4 Pre-LNB

SNCR u.3Pre-LNB SCR

u.3 Pre-LNB SCR

SO2c Post-LNB

SNCR SO2c 0.56 0.56 0.00 0.00 0.26 0.64 0.06 0.27 0.03 0.19 0.77 0.22 0.24 0.24 0.00 0.00 0.09 0.15 0.04 0.09 0.03 0.09 0.14 0.04 0.37 0.37 0.00 0.00 0.04 0.14 0.01 0.04 0.00 0.01 0.24 0.07 0.84 0.84 0.00 0.00 0.33 0.83 0.11 0.32 0.11 0.28 0.97 0.28 0.61 0.61 0.00 0.00 0.14 0.37 0.06 0.14 0.05 0.11 0.44 0.12 0.49 0.49 0.00 0.00 0.25 0.59 0.07 0.26 0.06 0.17 0.67 0.19 0.52 0.53 0.00 0.00 0.02 0.30 0.00 0.02 0.00 0.02 0.54 0.20 2.56 2.56 0.00 0.00 0.23 0.78 0.10 0.23 0.10 0.23 1.32 0.43 0.43 0.43 0.00 0.00 0.10 0.24 0.03 0.10 0.02 0.09 0.30 0.10 0.20 0.20 0.00 0.00 0.07 0.15 0.03 0.08 0.03 0.06 0.07 0.02 0.69 0.69 0.00 0.00 0.11 0.41 0.00 0.12 0.00 0.14 0.56 0.15 0.61 0.61 0.00 0.00 0.10 0.38 0.02 0.10 0.02 0.07 0.53 0.14 0.57 0.57 0.00 0.00 0.16 0.48 0.04 0.16 0.03 0.13 0.65 0.22 8.69 8.70 0.00 1.90 5.46 0.57 1.92 0.47 1.59 7.21 2.16 2.56 2.56 0.00 0.33 0.83 0.11 0.32 0.11 0.28 1.32 0.43 8 8 0 4 0 0 0 0 8 0 Number of Class I Areas with visibility improvement≥0.5 dv **Change relative to base (dv)**

4.50 

# Cholla: 98th Percentile**Visibility Impairment, IMPROVE Method 8, Ann. A vg. Bkgd.** 

average of all area's (dv/annual TPY) 

### (sum of dv benefits over all areas) / (annual TPY) (max dv benefit of any area) / (annual TPY)

($/yr) / (sum of dv benefits over all areas) ($/yr) / (max dv benefit of any area) Capitol Reef Galiuro

Basecorr Pre

-LNB; SO2cor 1.36 0.38 CTRL2 Pre

-LNB SCR SO2c 0.59 0.25 Rev Base Post

-LNB SO2cor 1.17 0.35 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50**V i** **s i** **b i** **l i** **t y** **I m** **p a** **i r** **m e** **n t** **(****- d** **v )** Rev Base Post

-LNB SO2cor 1.17 0.35 Ctrl1_R Post

-LNB SNCR SO2c 0.96 0.32 Ctrl2_R PoLN SCR 84%CE, SO2c 0.56 0.24 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.56 0.24Ctrl2_R ctrl2-r2

PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c 0.62 0.61 0.11 0.11 0.17 0.17 0.79 0.79 0.34 0.34 0.55 0.54 0.39 0.39 1.13 1.12 0.24 0.24 0.04 0.04 0.42 0.41 0.41 0.41 0.54 0.54 5.73 5.71 1.13 1.12 5 5



# Cholla: 98th Percentile**Visibility Impairment, IMPROVE Method 8, Ann. A vg. Bkgd.** 

Galiuro Gila Grand CanyonMazatzal Mesa VerdeMount Baldy Petrified Forest Pine MountainSaguaro Sierra AnchaSuperstitionSycamore Canyon 0.38 0.61 1.85 1.06 1.18 1.07 3.93 0.74 0.28 1.27 1.16 1.24 0.25 0.37 0.88 0.62 0.51 0.53 2.61 0.43 0.21 0.70 0.63 0.59 0.35 0.53 1.63 0.95 1.03 0.91 3.69 0.67 0.25 1.10 1.03 1.100.35 0.53 1.63 0.95 1.03 0.91 3.69 0.67 0.25 1.10 1.03 1.10

0.32 0.47 1.35 0.83 0.84 0.71 3.26 0.57 0.23 0.95 0.89 0.88 0.24 0.37 0.84 0.61 0.49 0.52 2.56 0.43 0.20 0.69 0.61 0.57 0.24 0.37 0.84 0.61 0.49 0.53 2.56 0.43 0.20 0.69 0.61 0.571.40

# Cholla: Visibility Benefit of Controls, IMPROVE Method 8, Ann. A **vg. Bkgd.** 

Capitol ReefGaliuro Gila Grand Canyon MazatzalMesa VerdeMount Baldy Petrified

Forest Pine

MountainSaguaroSierra Ancha

Basecorr Pre

-LNB;SO2cor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 CTRL2 Pre

-LNB SCR SO2c 0.77 0.14 0.24 0.97 0.44 0.67 0.54 1.32 0.30 0.07 0.56 Rev Base Post

-LNB SO2cor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40**V i** **s i** **b i** **l i** **t y** **B e** **n e** **f i** **t ,** **d v** 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Ctrl1_R Post

-LNB SNCR SO2c 0.22 0.04 0.07 0.28 0.12 0.19 0.20 0.43 0.10 0.02 0.15 Ctrl2_R PoLN SCR 84%CE, SO2c 0.62 0.11 0.17 0.79 0.34 0.55 0.39 1.13 0.24 0.04 0.42 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.61 0.11 0.17 0.79 0.34 0.54 0.39 1.12 0.24 0.04 0.41Sierra AnchaSuperstitionSycamore Canyon 0.00 0.00 0.00 0.56 0.53 0.65 0.00 0.00 0.000.00 0.00 0.00

0.15 0.14 0.22 0.42 0.41 0.54 0.41 0.41 0.54

# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** 

care 1.530 1.306 1.105 1.447 1.304 1.464 1.352 gali 0.824 0.821 0.769 0.824 0.823 0.822 0.822 gila 0.932 0.853 0.801 0.905 0.852 0.913 0.860 grca 3.707 3.391 2.488 3.598 3.390 3.622 3.469
maza 1.543 1.362 1.062 1.467 1.361 1.480 1.398
meve 1.172 0.988 0.821 1.103 0.988 1.106 1.015 moba 1.529 1.384 1.019 1.518 1.381 1.520 1.402 pefo 4.699 4.439 3.803 4.604 4.436 4.616 4.474 pimo 1.109 0.970 0.812 1.058 0.970 1.066 0.992 sagu 0.722 0.700 0.553 0.722 0.699 0.722 0.722 sian 1.682 1.560 1.451 1.633 1.560 1.642 1.573 supe 1.676 1.582 1.266 1.654 1.578 1.655 1.628 syca 1.612 1.429 1.043 1.546 1.427 1.565 1.484 **Total 22.737** **20.785 16.993** **22.079 20.769** **22.193 21.191** 

**Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2**

care 0.078 0.054 0.077 0.078 0.076 0.076 0.089 gali 0.001 0.007 0.000 0.000 0.002 0.001 0.014 gila 0.027 0.017 0.025 0.027 0.022 0.031 0.032 grca 0.110 0.155 0.101 0.109 0.098 0.102 0.218
maza 0.063 0.061 0.070 0.062 0.072 0.062 0.060
meve 0.064 0.045 0.064 0.063 0.076 0.067 0.064 moba 0.050 0.065 0.010 0.051 0.010 0.054 0.090 pefo 0.090 0.114 0.088 0.090 0.095 0.096 0.165 pimo 0.048 0.038 0.047 0.048 0.049 0.050 0.044 sagu 0.008 0.022 0.000 0.008 0.000 0.000 0.007 sian 0.042 0.029 0.045 0.042 0.046 0.047 0.086 supe 0.033 0.052 0.020 0.034 0.024 0.021 0.070 syca 0.063 0.072 0.061 0.064 0.054 0.055 0.083 **Average 0.052**  **0.056 0.047**  **0.052 0.048**  **0.051 0.079** 
dv_max/TPY 0.11 0.16 0.10 0.11 0.10 0.10 0.22 dv_sum/TPY 0.68 0.73 0.61 0.68 0.62 0.66 1.02 *Uses the formula: dv/thousand TPY≡ **2001 Table 1(c).** **Visibility Impairment (98 th** 

# Percentile) at Each Class I Area (CIA) Within APS Cholla's Zone of Influence (300 km) for 2001-2003 Base Case Emissions and Control Options



# CIA **CIA**

**Table 4(c). Control Option Visibility Benefits (dv/thousand TPY)* for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003**



# 1000.* (dv change relative to base/TPY reduction relative to base) **98 th** 

# Percentile

# 2001 **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2**

care 38 66 40 48 40 50 40 gali 2855 507#N/A 10781 1304 4421 253 gila 108 213 122 135 137 123 111 grca 27 23 30 34 31 37 16
maza 47 58 43 59 41 61 59
meve 47 79 48 59 40 56 56 moba 59 55 299 73 290 70 40 pefo 33 31 35 41 31 39 21 pimo 62 94 64 78 61 76 81 sagu 389 165#N/A 469#N/A #N/A 516 sian 70 121 67 88 65 81 41 supe 91 68 149 110 124 184 51 syca 47 49 50 58 55 69 43 †million

# $/dv = $ per year in millions from Table 3 divided by dv benefit from Table 1(c) for each control option. **Table 5(c). Control Option Cost Effectivenessin million $/dv† for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003**


# CIA

# Basecorr**CTRL2 Rev Base** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2**

1.189 0.488 1.031 0.825 0.481 0.481 0.224 0.425 0.395 0.285 0.386 0.329 0.285 0.285 0.003 0.055 0.554 0.302 0.495 0.431 0.293 0.293 0.079 0.131 3.195 1.487 2.879 2.415 1.39 1.397 0.316 1.219 1.083 0.609 0.989 0.869 0.59 0.591 0.181 0.481 0.86 0.361 0.745 0.593 0.339 0.34 0.184 0.351 1.25 0.545 1.07 0.836 0.523 0.526 0.145 0.510 3.931 2.635 3.7 3.375 2.574 2.578 0.260 0.896 0.733 0.391 0.654 0.551 0.376 0.377 0.139 0.297 0.307 0.253 0.293 0.276 0.241 0.242 0.022 0.169 1.358 0.681 1.196 0.991 0.655 0.657 0.122 0.231 1.249 0.702 1.107 0.94 0.686 0.688 0.094 0.410 1.241 0.587 1.107 0.916 0.555 0.557 0.183 0.569 **17.345 9.326** **15.652 13.347**  **8.988 9.012**  **1.952 5.744** 

**CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  0.073 0.072 0.072 0.060 0.039 0.057 0.058 0.060 0.020 0.013 0.013 0.000 0.017 0.000 0.000 0.000 0.023 0.026 0.026 0.001 0.005 0.001 0.001 0.001 0.165 0.194 0.194 0.146 0.118 0.140 0.141 0.140 0.043 0.052 0.052 0.048 0.046 0.047 0.047 0.046 0.054 0.053 0.053 0.079 0.077 0.061 0.087 0.065 0.083 0.071 0.071 0.039 0.023 0.064 0.039 0.078 0.115 0.147 0.147 0.121 0.115 0.093 0.122 0.088 0.037 0.036 0.036 0.037 0.034 0.038 0.037 0.037 0.006 0.007 0.007 0.004 0.017 0.000 0.004 0.001 0.073 0.071 0.071 0.046 0.069 0.075 0.045 0.114 0.059 0.055 0.055 0.023 0.056 0.031 0.024 0.031 0.068 0.072 0.072 0.054 0.093 0.002 0.053 0.001 **0.063 0.067**  **0.067 0.051**  **0.054 0.047**  **0.051 0.051** 

0.16 0.19 0.19 0.15 0.12 0.14 0.14 0.14 0.82 0.87 0.87 0.66 0.71 0.61 0.66 0.66 **2002 Percentile) at Each Class I Area (CIA) Within APS Cholla's Zone of Influence (300 km) for 2001-2003 Base Case Emissions and Control Options** (listed in Table 2)

**Table 4(c). Control Option Visibility Benefits (dv/thousand TPY)* for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003**



# 1000.* (dv change relative to base/TPY reduction relative to base) **2001** **-dv**

# CTRL1_R**CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5**

41 50 50 49 91 53 64 50 148 275 275 8565 211#N/A 10781#N/A 132 137 137 4282 714 3284 5391 2607 18 19 19 20 30 22 26 21 70 70 70 63 78 64 78 65 56 68 68 38 46 50 42 46 36 51 51 76 154 48 95 38 26 25 25 24 31 33 30 34 82 100 100 81 105 80 101 81 496 533 544 714 211#N/A 898 2607 41 51 51 65 51 41 82 26 51 66 66 132 63 97 152 97 44 50 50 55 38 1642 70 2607 $/dv = $ per year in millions from Table 3 divided by dv benefit from Table 1(c) for each control option. **Table 5(c). Control Option Cost Effectivenessin million $/dv† for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003** 

# 2002

# Ctrl-3 **Ctrl-4 Ctrl-5** **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2**

0.083 0.226 0.066 0.178 0.701 0.206 0.550 0.550 0.000 0.001 0.002 0.002 0.110 0.057 0.101 0.101 0.027 0.080 0.019 0.072 0.252 0.064 0.202 0.202 0.109 0.317 0.085 0.238 1.708 0.464 1.489 1.482 0.076 0.182 0.063 0.145 0.474 0.120 0.399 0.398 0.069 0.184 0.066 0.157 0.499 0.152 0.406 0.405 0.011 0.148 0.009 0.127 0.705 0.234 0.547 0.544 0.095 0.263 0.083 0.225 1.296 0.325 1.126 1.122 0.051 0.139 0.043 0.117 0.342 0.103 0.278 0.277 0.000 0.023 0.000 0.000 0.054 0.017 0.052 0.051 0.049 0.122 0.040 0.109 0.677 0.205 0.541 0.539 0.022 0.098 0.021 0.048 0.547 0.167 0.421 0.419 0.066 0.185 0.047 0.128 0.654 0.191 0.552 0.550 **0.658 1.968**  **0.544 1.546**  **8.019 2.305**  **6.664 6.640** 

**Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3**  0.060 0.063 0.052 0.052 0.052 0.143 0.099 0.146 0.000 0.016 0.015 0.010 0.010 0.019 0.012 0.024 0.000 0.032 0.027 0.023 0.023 0.062 0.047 0.062 0.139 0.114 0.091 0.098 0.098 0.043 0.046 0.030 0.045 0.058 0.052 0.049 0.049 0.027 0.034 0.062 0.059 0.089 0.073 0.073 0.073 0.102 0.085 0.100 0.048 0.067 0.059 0.054 0.054 0.003 0.040 0.004 0.120 0.141 0.115 0.117 0.117 0.110 0.100 0.097 0.036 0.056 0.048 0.046 0.046 0.018 0.021 0.003 0.000 0.011 0.007 0.008 0.008 0.009 0.007 0.015 0.056 0.074 0.061 0.062 0.062 0.061 0.045 0.050 0.024 0.069 0.054 0.060 0.060 0.039 0.029 0.051 0.045 0.094 0.096 0.069 0.069 0.034 0.029 0.049 **0.049 0.068**  **0.058 0.055**  **0.055 0.052**  **0.046 0.053** 

0.14 0.14 0.12 0.12 0.12 0.14 0.10 0.15 0.63 0.88 0.75 0.72 0.72 0.67 0.59 0.69 **2002 Change relative to base (** **-dv)**

# Ctrl-6**CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3**

63 56 57 69 69 21 36 21 8842 226 196 347 347 156 296 126 8842 111 111 160 160 48 75 49 27 31 33 37 37 69 78 100 84 61 57 73 74 108 104 49 64 40 41 50 50 29 42 30 80 53 51 67 67 856 89 821 31 25 26 31 31 27 35 31 107 63 63 78 79 168 170 1095 8842 328 422 447 455 317 536 205 67 48 49 58 58 48 78 61 158 51 56 61 61 76 122 60 84 38 31 52 52 87 124 62 **2002**

# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **Basecorr**

1.149 0.975 0.842 1.087 0.981 1.097 1.009 0.826 0.718 0.717 0.586 0.718 0.717 0.718 0.717 0.358 1.137 1.135 1.098 1.136 1.135 1.136 1.136 0.631 2.585 2.165 1.659 2.434 2.175 2.463 2.260 1.743 1.672 1.535 1.314 1.621 1.534 1.632 1.567 1.056 1.595 1.368 0.994 1.529 1.341 1.538 1.457 1.205 1.465 1.352 1.284 1.396 1.352 1.397 1.354 1.072 4.195 3.845 3.291 4.094 3.841 4.118 3.914 3.563 1.420 1.314 1.155 1.379 1.313 1.388 1.337 0.934 0.526 0.514 0.394 0.526 0.514 0.525 0.525 0.249 1.925 1.793 1.380 1.844 1.793 1.826 1.794 1.293 1.758 1.693 1.316 1.724 1.687 1.731 1.702 1.188 2.182 2.026 1.455 2.180 2.027 2.181 2.077 1.479 **22.327 20.432** **16.768 21.668** **20.410 21.750** **20.849 15.597** 

**Ctrl-4 Ctrl-5** **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  0.148 0.127 0.128 0.126 0.093 0.107 0.107 0.091 0.019 0.022 0.022 0.020 0.022 0.020 0.020 0.032 0.062 0.057 0.057 0.031 0.033 0.025 0.025 0.014 0.039 0.029 0.060 0.075 0.061 0.062 0.062 0.115 0.027 0.060 0.032 0.048 0.043 0.040 0.040 0.047 0.101 0.098 0.098 0.109 0.087 0.092 0.092 0.085 0.004 0.003 0.003 0.034 0.044 0.025 0.025 0.008 0.097 0.101 0.145 0.184 0.149 0.156 0.156 0.079 0.018 0.002 0.019 0.018 0.023 0.017 0.018 0.033 0.009 0.015 0.011 0.015 0.012 0.012 0.012 0.025 0.062 0.046 0.054 0.043 0.046 0.045 0.045 0.040 0.039 0.053 0.045 0.035 0.026 0.030 0.030 0.034 0.034 0.054 0.033 0.059 0.052 0.048 0.048 0.055 **0.051 0.051**  **0.054 0.061**  **0.053 0.052**  **0.052 0.051** 

0.15 0.13 0.14 0.18 0.15 0.16 0.16 0.12 0.66 0.67 0.71 0.80 0.69 0.68 0.68 0.66

**2003 98** **th**

# Percentile**-dv**

# Ctrl-4 **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1**

25 23 30 28 32 34 34 33 193 137 173 176 138 183 184 92 60 52 67 115 91 144 146 209 95 104 64 47 49 59 59 26 135 50 118 75 70 91 91 63 37 31 39 33 34 39 39 35 980 869 1105 103 69 144 144 357 38 30 26 19 20 23 23 38 211 1304 196 193 132 207 207 89 399 201 340 244 248 305 305 117 60 65 71 82 64 81 81 75 95 57 83 102 117 122 122 87 108 55 115 60 57 76 76 54

**2003**

# CTRL2**Rev Base CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3**

0.332 0.712 0.565 0.31 0.312 0.174 0.307 0.062 0.235 0.314 0.271 0.234 0.234 0.001 0.132 0.000 0.38 0.553 0.477 0.38 0.38 0.002 0.039 0.001 0.849 1.543 1.286 0.792 0.797 0.420 0.926 0.151 0.598 0.95 0.803 0.571 0.573 0.137 0.358 0.051 0.51 1.044 0.837 0.486 0.488 0.227 0.601 0.066 0.543 0.942 0.776 0.529 0.53 0.113 0.181 0.069 2.456 3.278 2.953 2.382 2.387 0.350 0.904 0.101 0.495 0.835 0.701 0.481 0.482 0.106 0.265 0.041 0.164 0.216 0.196 0.154 0.155 0.012 0.132 0.000 0.713 1.165 0.994 0.686 0.688 0.132 0.545 0.081 0.646 1.074 0.923 0.617 0.619 0.065 0.442 0.034 0.742 1.27 0.999 0.741 0.741 0.156 0.727 0.002 **8.663 13.896** **11.781 8.363**  **8.386 1.895**  **5.559 0.659** 

**Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R**  0.082 0.056 0.093 0.039 0.082 0.098 0.076 0.080 0.019 0.040 0.032 0.038 0.036 0.017 0.013 0.014 0.018 0.005 0.014 0.005 0.004 0.031 0.024 0.022 0.105 0.102 0.111 0.122 0.121 0.124 0.100 0.103 0.047 0.055 0.048 0.054 0.046 0.057 0.043 0.044 0.075 0.061 0.088 0.065 0.073 0.085 0.069 0.071 0.039 0.002 0.008 0.001 0.009 0.069 0.070 0.051 0.100 0.095 0.079 0.113 0.098 0.168 0.151 0.147 0.031 0.031 0.033 0.026 0.040 0.039 0.034 0.031 0.020 0.030 0.026 0.029 0.027 0.009 0.006 0.006 0.053 0.000 0.041 0.000 0.059 0.072 0.053 0.054 0.048 0.019 0.034 0.017 0.030 0.067 0.048 0.054 0.062 0.033 0.054 0.030 0.054 0.083 0.078 0.070 **0.054 0.041**  **0.051 0.041**  **0.052 0.071**  **0.059 0.057** 

0.11 0.10 0.11 0.12 0.12 0.17 0.15 0.15 0.70 0.53 0.66 0.54 0.68 0.92 0.77 0.75 **2002**

**All Years**

# Ctrl-2 **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R**

43 54 40 77 46 36 39 45 190 76 117 79 104 206 228 252 200 657 263 652 884 116 124 167 34 30 33 25 31 29 30 35 76 56 78 55 82 63 70 82 47 50 42 46 52 42 43 51 92 1642 449 2607 402 52 43 71 36 32 47 27 39 21 20 25 115 97 112 113 94 92 87 116 181 100 142 104 138 410 469 645 67#N/A 91#N/A 64 50 57 67 74 156 110 174 128 53 62 67 58 91 68 100 70 43 38 52 **All Years**

# Ctrl-4 **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Base**

0.168 0.052 0.140 0.494 0.147 0.402 0.400 2.242 0.001 0.000 0.001 0.123 0.043 0.080 0.080 0.583 0.002 0.001 0.001 0.251 0.076 0.173 0.173 1.258 0.410 0.122 0.325 0.894 0.257 0.751 0.746 1.747 0.138 0.040 0.105 0.458 0.147 0.379 0.377 1.582 0.254 0.057 0.138 0.695 0.207 0.558 0.556 1.840 0.113 0.068 0.111 0.529 0.166 0.413 0.412 1.477 0.354 0.077 0.281 1.107 0.325 0.896 0.891 4.863 0.107 0.032 0.083 0.439 0.134 0.354 0.353 1.167 0.012 0.001 0.001 0.085 0.020 0.062 0.061 0.397 0.132 0.099 0.131 0.580 0.171 0.479 0.477 1.595 0.071 0.027 0.056 0.542 0.151 0.457 0.455 1.309 0.155 0.001 0.105 0.737 0.271 0.529 0.529 1.223 **1.917 0.577**  **1.478 6.934**  **2.115 5.533**  **5.510 21.283** 

**ctrl2_r2** 0.080 0.014 0.022 0.103 0.044 0.071 0.050 0.147 0.031 0.006 0.054 0.054 0.070 **0.057**

0.15 0.75 **Change relative to base (****-dv)**

# ctrl2_r245

252 167 35 82 51 72 25 116 645 67 67 52

# Ctrl-1 **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 Basecorr** **CTRL2**

1.830 1.464 2.084 1.810 2.131 1.943 1.659 0.667 0.528 0.489 0.557 0.527 0.564 0.532 0.344 0.186 1.080 0.889 1.191 1.077 1.208 1.126 0.651 0.409 1.623 1.388 1.714 1.634 1.722 1.608 1.25 0.661 1.503 1.313 1.515 1.502 1.530 1.507 1.024 0.651 1.547 1.170 1.732 1.546 1.755 1.612 1.47 0.616 1.467 1.163 1.473 1.466 1.474 1.469 0.782 0.512 4.547 4.074 4.758 4.579 4.775 4.525 4.275 2.83 1.116 1.003 1.164 1.116 1.165 1.122 0.536 0.392 0.370 0.345 0.381 0.370 0.384 0.371 0.25 0.136 1.418 1.238 1.541 1.415 1.555 1.470 1 0.66 1.196 1.081 1.254 1.196 1.263 1.203 0.794 0.521 1.124 0.998 1.170 1.123 1.176 1.146 0.876 0.414 **19.349 16.615** **20.534 19.361** **20.702 19.634**  **14.911 8.655**  **98 th** 

# Percentile D-dv

# Rev Base**CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3** 

1.455 1.193 0.637 0.639 0.412 0.778 0.158 0.335 0.274 0.183 0.184 0.055 0.094 0.026 0.578 0.485 0.386 0.388 0.178 0.369 0.067 1.107 0.934 0.634 0.636 0.124 0.359 0.033 0.929 0.809 0.623 0.625 0.079 0.269 0.067 1.283 1.037 0.576 0.58 0.293 0.670 0.108 0.699 0.576 0.506 0.506 0.010 0.314 0.004 3.959 3.54 2.759 2.764 0.316 0.789 0.105 0.525 0.461 0.391 0.391 0.051 0.164 0.003 0.222 0.188 0.131 0.131 0.027 0.052 0.016 0.979 0.848 0.635 0.637 0.177 0.357 0.054 0.748 0.676 0.521 0.521 0.113 0.228 0.055 0.769 0.621 0.402 0.403 0.099 0.225 0.053 **13.588 11.642**  **8.384 8.405**  **1.934 4.668**  **0.749 2003** 

# Ctrl-4 **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2** 

0.432 0.111 0.299 0.992 0.262 0.818 0.816 0.056 0.019 0.051 0.158 0.061 0.152 0.151 0.181 0.050 0.132 0.242 0.093 0.192 0.190 0.113 0.025 0.139 0.589 0.173 0.473 0.471 0.080 0.052 0.075 0.373 0.120 0.306 0.304 0.294 0.085 0.228 0.854 0.246 0.707 0.703 0.011 0.003 0.008 0.270 0.123 0.193 0.193 0.284 0.088 0.338 1.445 0.419 1.200 1.195 0.051 0.002 0.045 0.144 0.064 0.134 0.134 0.027 0.013 0.026 0.114 0.034 0.091 0.091 0.180 0.040 0.125 0.340 0.131 0.344 0.342 0.113 0.046 0.106 0.273 0.072 0.227 0.227 0.100 0.047 0.077 0.462 0.148 0.367 0.366 **1.922 0.581**  **1.649 6.256**  **1.946 5.204**  **5.183 Change relative to base (dv)** 

# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** 

1.770 1.508 1.129 1.709 1.499 1.736 1.578 0.696 0.603 0.549 0.653 0.604 0.663 0.611 1.133 1.092 0.994 1.128 1.092 1.129 1.123 2.497 2.165 1.671 2.387 2.175 2.391 2.214 1.664 1.528 1.298 1.605 1.525 1.617 1.556 1.595 1.350 1.007 1.529 1.339 1.538 1.424 1.486 1.462 1.182 1.484 1.462 1.485 1.464 4.526 4.299 3.744 4.423 4.297 4.428 4.298 1.256 1.160 1.013 1.222 1.160 1.233 1.162 0.603 0.530 0.449 0.570 0.527 0.578 0.539 1.794 1.680 1.380 1.794 1.675 1.794 1.656 1.661 1.563 1.284 1.640 1.563 1.646 1.592 1.654 1.496 1.171 1.618 1.496 1.628 1.527 **22.335 20.436**  **16.871 21.762**  **20.414 21.866**  **20.744 98** **th**

# Percentile D-dv

# Basecorr**CTRL2 Rev Base** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1** 

1.358 0.586 1.171 0.956 0.555 0.558 0.262 0.383 0.248 0.353 0.316 0.243 0.243 0.093 0.609 0.369 0.533 0.465 0.367 0.367 0.041 1.852 0.878 1.634 1.353 0.84 0.843 0.332 1.059 0.615 0.95 0.83 0.613 0.613 0.136 1.179 0.51 1.031 0.837 0.486 0.488 0.245 1.07 0.531 0.912 0.714 0.523 0.526 0.024 3.928 2.606 3.686 3.259 2.561 2.563 0.227 0.735 0.431 0.671 0.574 0.431 0.431 0.096 0.275 0.207 0.246 0.228 0.203 0.203 0.073 1.266 0.704 1.101 0.952 0.686 0.687 0.114 1.162 0.634 1.025 0.889 0.612 0.613 0.098 1.241 0.592 1.103 0.882 0.566 0.568 0.158 **16.117 8.911**  **14.416 12.255**  **8.686 8.703**  **1.899 All Years**  **Percentile D-dv**

# Ctrl-2 **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** 

0.641 0.061 0.271 0.034 0.192 0.772 0.215 0.147 0.043 0.092 0.033 0.085 0.135 0.037 0.139 0.005 0.041 0.004 0.010 0.24 0.068 0.826 0.110 0.322 0.106 0.283 0.974 0.281 0.366 0.059 0.139 0.047 0.108 0.444 0.12 0.588 0.066 0.256 0.057 0.171 0.669 0.194 0.304 0.002 0.024 0.001 0.022 0.539 0.198 0.782 0.103 0.229 0.098 0.228 1.322 0.427 0.243 0.034 0.096 0.023 0.094 0.304 0.097 0.154 0.033 0.076 0.025 0.064 0.068 0.018 0.414 0.000 0.119 0.000 0.138 0.562 0.149 0.377 0.021 0.098 0.015 0.069 0.528 0.136 0.483 0.036 0.158 0.026 0.127 0.649 0.221 **5.464 0.573**  **1.921 0.469**  **1.591 7.206**  **2.161 Change relative to base (dv)** 

# CTRL2_R**ctrl2_r2**

0.616 0.613 0.11 0.11 0.166 0.166 0.794 0.791 0.337 0.337 0.545 0.543 0.389 0.386 1.125 1.123 0.24 0.24 0.043 0.043 0.415 0.414 0.413 0.412 0.537 0.535 **5.730 5.713** Cholla units 2, 3, and 4

**Table 2. Control Options (per EPA Region 9) and Corresponding Emission Reductions Relative to Base Used in Visibility Modeling All Units**  **All Units**

Controls **Technology Used****-Emissions (TPY, max day)** **Technology**

**Used** **-Emissions**

**(TPY, max day) Technology** 

**Used** **-Emissions**

**(TPY, max day) -Emissions** 

**(TPY, annual av)**  **$/year**
**Pre-LNB SOFA Base**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0Pre-LNB + SOFA 0 0 $0 **Pre-LNB SNCR Ctrl-1**  PreLNB SNCR 929PreLNB SNCR 871PreLNB SNCR 1082 2882 $8,564,847 **Pre-LNB SCR Ctrl-2**  PreLNB SCR 2606PreLNB SCR 2332PreLNB SCR 2913 7851$27,858,991 **Pre-LNB SNCR u.4 Ctrl-3**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0PreLNB SNCR 1082 1082 $3,284,409 **Pre-LNB SCR u.4 Ctrl-4**  Pre-LNB + SOFA 0Pre-LNB + SOFA 0PreLNB SCR 2913 2913$10,781,102 **Pre-LNB SNCR u.3 Ctrl-5**  Pre-LNB + SOFA 0PreLNB SNCR 871Pre-LNB + SOFA 0 871 $2,607,329 **Pre-LNB SCR u.3 Ctrl-6**  Pre-LNB + SOFA 0PreLNB SCR 2332Pre-LNB + SOFA 0 2332 $8,842,201 **Pre-LNB; SO2cor Basecorr** Pre-LNB+SO2corr 0PreLNB + SO2c 0PreLNB + SO2c 0 0 $0 **Pre-LNB SCR SO2c CTRL2**  PreLNB SCR SO2c 2606PreLNB SCR SO2c 2332PreLNB SCR SO2c 2913 7851$27,858,991 **Post-LNB SO2cor Rev Base** Post-LNB+SO2corr 0Post-LNB+SO2corr 0Post-LNB+SO2corr 0 0 $0 **Post-LNB SNCR SO2c CTRL1_R** PostLNB SNCR SO2c 867PostLNB SNCR SO2c 871PostLNB SNCR SO2c1082 2820 $8,436,045 **PoLN SCR 84%CE, SO2c**

**CTRL2_R**PostLNB SCR 84% CE;SO2c 2428PostLNB SCR SO2c 2332PostLNB SCR SO2c 2913 7673$27,741,193 **PoLN SCR 83%CE, SO2c**

**ctrl2-r2**PostLNB SCR 83% CE;SO2c 2400PostLNB SCR SO2c 2332PostLNB SCR SO2c 2913 7645$27,736,569
**Table 3(a). Original NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version 5/29/12**Table 3(b). Updated NOx Control Technologies for Cholla Units 2-4**(from Andover Technology Partners Report Table 4-7) version6/19/12

SNCR SCR SNCR SCR SNCR SCR SNCR SCR SNCR SCR SNCR SCR Capacity Factor 74% 74% 75% 75% 72% 72% Capacity Factor 74% 74% 75% 75% 72% 72% Control Efficiency 30% 84% 30% 80% 30% 81% Control Efficiency 30% 83%* 30% 80% 30% 81%*Addt'l 1% CE on Unit 2 SCR **Uncontrolled Rate Uncontrolled Rate**  NOx Rate (lb/hr) 955 955 884 884 1144 1144 NOx Rate (lb/hr) 892 892 884 884 1144 1144 NOx Rate (lb/MMBtu) 0.32 0.32 0.25 0.25 0.26 0.26 NOx Rate (lb/MMBtu) 0.295 0.295 0.25 0.25 0.26 0.26 NOx (TPY) 3096 3096 2904 2904 3607 3607 NOx (TPY) 2890 2890 2904 2904 3607 3607 **Controlled Rate Controlled Rate**  NOx Rate (lb/hr) 669 151 619 174 801 220 NOx Rate (lb/hr) 624 151 619 174 801 220 NOx Rate (lb/MMBtu) 0.22 0.05 0.18 0.05 0.18 0.05 NOx Rate (lb/MMBtu) 0.21 0.05 0.18 0.05 0.18 0.05 NOx (TPY) 2167 490 2033 572 2525 694 NOx (TPY) 2023 490 2033 572 2525 694
**Tons/Year Removed** 929 2606 871 2332 1082 2913 **Tons/Year Removed** 867 2400 871 2332 1082 2913
**Total Cost, $/year** $2,673,109$8,235,688$2,607,329$8,842,201$3,284,409$10,781,102 **Total Cost, $/year**$2,544,307$8,113,266$2,607,329$8,842,201$3,284,409$10,781,102$8,117,890per ATP 6/23/12 **$/Ton** $2,878 $3,160 $2,993 $3,792 $3,035 $3,700 **$/Ton** $2,935 $3,308 $2,993 $3,792 $3,035 $3,700 **$/Ton (incremental)** $2,878 $3,317 $2,993 $4,268 $3,035 $4,094 **$/Ton (incremental)** $2,935 $3,632 $2,993 $4,268 $3,035 $4,094

Cholla units 2, 3, and 4 draft UNC results, 2012-04-30

visibility method 8, 20% best background Using dv from area with highest impact (13 areas)

Controls **Control**

**Option ton/yr** 

**reduction cost, $/yr** 

**(millions) $/ton** 

**reduction visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY** 

**(x 1000) $/dv** 

**(millions)**# areas w/

improvement ≥ 0.5 dv **Pre-LNB SOFA Base**  0 $0.0 5.6 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 $2,972 5.3 0.43 0.149 $20 0 **Pre-LNB SCR Ctrl-2**  7851 $27.9 $3,548 4.6 1.08 0.137 $26 5 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 $3,035 5.4 0.15 0.142 $21 0 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 $3,701 5.3 0.42 0.142 $26 0 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 $2,993 5.4 0.15 0.170 $18 0 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 $3,792 5.3 0.37 0.157 $24 0 **Pre-LNB; SO2cor Basecorr**  0 $0.0 4.8 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 $3,548 3.3 1.57 0.199 $18 9 **Post-LNB SO2cor Rev Base**  0 $0.0 4.5 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 $2,992 4.1 0.47 0.168 $18 0 **PoLN SCR 84%CE, SO2c**

**CTRL2_R** 7673 $27.7 $3,616 3.2 1.34 0.174 $21 8 **PoLN SCR 83%CE, SO2c**

**Ctrl2-r2** 7645 $27.7 $3,628 3.2 1.34 0.175 $21 8
(same tons & costs as above) Using dv sum over all areas (13 areas)

Controls **Control**

**Option ton/yr** 

**reduction cost, $/yr** 

**(millions) $/ton** 

**reduction visibility** 

**impact, dv visibility** 

**benefit, dv dv/TPY** 

**(x 1000) $/dv** 

**(millions) Pre-LNB SOFA**  **Base** 0 $0.0 28.1 **Pre-LNB SNCR Ctrl-1**  2882 $8.6 $2,972 25.7 2.37 0.822 $3.6 **Pre-LNB SCR Ctrl-2**  7851 $27.9 $3,548 21.3 6.77 0.862 $4.1 **Pre-LNB SNCR u.4 Ctrl-3**  1082 $3.3 $3,035 27.4 0.72 0.662 $4.6 **Pre-LNB SCR u.4 Ctrl-4**  2913 $10.8 $3,701 25.7 2.39 0.821 $4.5 **Pre-LNB SNCR u.3 Ctrl-5**  871 $2.6 $2,993 27.5 0.59 0.673 $4.4 **Pre-LNB SCR u.3 Ctrl-6**  2332 $8.8 $3,792 26.2 1.92 0.823 $4.6 **Pre-LNB; SO2cor Basecorr**  0 $0.0 20.4 **Pre-LNB SCR SO2c CTRL2**  7851 $27.9 $3,548 11.4 9.04 1.152 $3.1 **Post-LNB SO2cor Rev Base**  0 $0.0 18.3 **Post-LNB SNCR SO2c CTRL1_R**  2820 $8.4 $2,992 15.6 2.71 0.960 $3.1 **PoLN SCR 84%CE, SO2c**

**CTRL2_R** 7673 $27.7 $3,616 11.1 7.23 0.943 $3.8 **PoLN SCR 83%CE, SO2c**

**Ctrl2-r2** 7645 $27.7 $3,628 11.1 7.21 0.943 $3.8 **Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx Control**  **Option Unit 2**  **Unit 3 Unit 4** 

**Cholla 2 - NOx Cholla 3 - NOx**  **Cholla 4 - NOx**

## Cholla units 2, 3, and 4

visibility method 8, 20% best background (this page edited from vis8.20best sheet) **Table 1(d). Visibility Impairment (98** **th Percentile) for 2001-2003 Base Case Emissions and Control Options** 

Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 BasecorrCTRL2Rev BaseCtrl1_R

CIA Pre-LNB SOFA Pre-LNB

SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4Pre-LNB

SNCR u.3Pre-LNB

SCR u.3Pre-LNB;

SO2corPre-LNB

SCR SO2cPost-LNB

SO2corPost-LNB

SNCR SO2c

careCapitol Reef 2.18 1.87 1.41 2.12 1.86 2.15 1.96 1.69 0.74 1.46 1.19 galiGaliuro 0.88 0.77 0.69 0.83 0.77 0.84 0.78 0.49 0.32 0.45 0.40 gilaGila 1.48 1.42 1.30 1.47 1.42 1.47 1.46 0.79 0.48 0.70 0.61 grcaGrand Canyon 3.35 2.92 2.27 3.21 2.94 3.21 2.98 2.51 1.21 2.22 1.85

mazaMazatzal 2.07 1.90 1.62 2.00 1.89 2.01 1.93 1.33 0.77 1.19 1.03

meveMesa Verde 2.04 1.73 1.31 1.95 1.72 1.96 1.84 1.53 0.66 1.34 1.08

mobaMount Baldy 1.94 1.91 1.55 1.94 1.91 1.94 1.92 1.41 0.70 1.21 0.95 pefoPetrified Forest **5.56** 5.26 4.59 5.40 5.26 5.41 5.26 4.82 3.25 4.53 4.06 pimoPine Mountain 1.55 1.44 1.27 1.53 1.44 1.54 1.45 0.92 0.54 0.85 0.73 saguSaguaro 0.74 0.64 0.55 0.70 0.64 0.71 0.66 0.33 0.25 0.30 0.28 sianSierra Ancha 2.18 2.06 1.69 2.17 2.06 2.18 2.03 1.56 0.87 1.36 1.17 supeSuperstition 2.03 1.91 1.58 2.00 1.91 2.01 1.95 1.43 0.79 1.27 1.10 sycaSycamore Canyon 2.12 1.91 1.52 2.08 1.91 2.09 1.97 1.59 0.78 1.42 1.15 **Total** 28.10 25.73 21.33 27.39 25.71 27.52 26.18 20.40 11.36 18.30 15.59 **Max** 5.56 5.26 4.59 5.40 5.26 5.41 5.26 4.82 3.25 4.53 4.06 **# CIAs w.****-dv >0.5** 13 13 13 13 13 13 13 11 10 11 11
**Table 4(d). Control Option Visibility Benefits (dv/thousand TPY)*** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_R Ctrl2-r2

CIA Pre-LNB SNCR Pre-LNB

SCR Pre-LNB

SNCR u.4Pre-LNB

SCR u.4Pre-LNB

SNCR u.3Pre-LNB

SCR u.3Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2cPoLN SCR

83%CE, SO2c

careCapitol Reef 0.106 0.098 0.055 0.108 0.031 0.094 0.122 0.095 0.100 0.100 galiGaliuro 0.040 0.024 0.049 0.039 0.047 0.045 0.022 0.016 0.018 0.018 gilaGila 0.018 0.023 0.006 0.018 0.005 0.005 0.039 0.031 0.028 0.028 grcaGrand Canyon 0.149 0.137 0.132 0.142 0.157 0.157 0.165 0.133 0.139 0.139

mazaMazatzal 0.060 0.058 0.067 0.060 0.071 0.058 0.071 0.057 0.056 0.056

meveMesa Verde 0.107 0.094 0.088 0.110 0.091 0.088 0.110 0.090 0.092 0.092

mobaMount Baldy 0.013 0.050 0.003 0.013 0.002 0.012 0.090 0.094 0.067 0.067 pefoPetrified Forest 0.104 0.124 0.142 0.104 0.170 0.129 0.199 0.168 0.174 0.175 **98 th** **Percentile D-dv**

**Class I Area Class I Area** 

pefoPetrified Forest 0.104 0.124 0.142 0.104 0.170 0.129 0.199 0.168 0.174 0.175 pimoPine Mountain 0.039 0.036 0.019 0.039 0.008 0.042 0.049 0.043 0.040 0.040 saguSaguaro 0.032 0.024 0.037 0.033 0.034 0.033 0.010 0.007 0.007 0.007 sianSierra Ancha 0.039 0.061 0.001 0.041 0.000 0.061 0.088 0.069 0.066 0.066 supeSuperstition 0.041 0.057 0.023 0.040 0.020 0.034 0.081 0.059 0.066 0.066 sycaSycamore Canyon 0.074 0.077 0.039 0.073 0.037 0.063 0.104 0.097 0.089 0.089 **Average** 0.063 0.066 0.051 0.063 0.052 0.063 0.089 0.074 0.073 0.073 **dv_sum/TPY** 0.822 0.862 0.662 0.821 0.673 0.823 1.152 0.960 0.943 0.943 **dv_max/TPY** 0.149 0.137 0.142 0.142 0.170 0.157 0.199 0.168 0.174 0.175 

### *Uses the formula: dv/thousand TPY = 1000 *(dv change relative to base) / (TPY reduction relative to base)
**Table 5(d). Control Option Cost Effectiveness (million $/dv)†** Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R Ctrl2_RCtrl2-r2

CIA Pre-LNB; SO2corPre-LNB

SCR SO2cPoLN SCR

83%CE, SO2cPoLN SCR

83%CE, SO2cPoLN SCR

83%CE, SO2cPoLN SCR

83%CE, SO2c Pre-LNB

SCR SO2cPost-LNB

SNCR SO2cPoLN SCR

84%CE, SO2cPoLN SCR

83%CE, SO2c

careCapitol Reef 28 36 55 34 97 40 29 31 36 36 galiGaliuro 74 147 62 94 64 83 163 183 202 202 gilaGila 165 157 547 207 652 737 90 97 128 128 grcaGrand Canyon 20 26 23 26 19 24 21 23 26 26

mazaMazatzal 49 62 45 62 42 65 50 52 65 65

meveMesa Verde 28 38 35 34 33 43 32 33 39 39

mobaMount Baldy 231 70 1095 291 1304 305 39 32 54 54 pefoPetrified Forest 29 29 21 36 18 29 18 18 21 21 pimoPine Mountain 76 99 156 95 372 90 72 70 90 90 saguSaguaro 92 147 82 111 87 115 344 402 533 544 sianSierra Ancha 76 58 3284 91 N/A 62 40 43 55 55 supeSuperstition 73 62 131 92 153 112 44 51 55 55 sycaSycamore Canyon 40 46 78 50 81 60 34 31 41 41 **$/dv_sum** 3.6 4.1 4.6 4.5 4.4 4.6 3.1 3.1 3.8 3.8 **$/dv_max** 20.0 25.8 21.3 26.0 17.6 24.1 17.8 17.8 20.7 20.8 **Class I Area**†

### $/dv = $ per year from Table 3 divided by delta dv from Table 1(d) for each control option, in millionsCtrl2_R ctrl2-r2 BasecorrRev Base Ctrl-1 Ctrl-2 Ctrl-3 Ctrl-4 Ctrl-5 Ctrl-6 CTRL2 Ctrl1_R

PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c Pre-LNB;

SO2corPost-LNB

SO2corPre-LNB

SNCRPre-LNB SCRPre-LNB SNCR u.4Pre-LNB SCR

u.4 Pre-LNB

SNCR u.3Pre-LNB SCR

u.3 Pre-LNB SCR

SO2c Post-LNB

SNCR SO2c 0.69 0.70 0.00 

### 0.00 0.31 0.77 0.06 0.32 0.03 0.22 0.96 0.27 0.31 0.31 0.00 

### 0.00 0.12 0.19 0.05 0.12 0.04 0.11 0.17 0.05 0.48 0.48 0.00 

### 0.00 0.05 0.18 0.01 0.05 0.00 0.01 0.31 0.09 1.16 1.16 0.00 

### 0.00 0.43 1.08 0.14 0.42 0.14 0.37 1.30 0.37 0.76 0.76 0.00 

### 0.00 0.17 0.45 0.07 0.18 0.06 0.14 0.55 0.16 0.63 0.63 0.00 

### 0.00 0.31 0.74 0.09 0.32 0.08 0.21 0.87 0.26 0.70 0.70 0.00 

### 0.00 0.04 0.40 0.00 0.04 0.00 0.03 0.71 0.27 3.19 3.19 0.00 

### 0.00 0.30 0.97 0.15 0.30 0.15 0.30 1.57 0.47 0.54 0.54 0.00 

### 0.00 0.11 0.28 0.02 0.11 0.01 0.10 0.39 0.12 0.25 0.25 0.00 

### 0.00 0.09 0.19 0.04 0.10 0.03 0.08 0.08 0.02 0.85 0.85 0.00 

### 0.00 0.11 0.48 0.00 0.12 0.00 0.14 0.69 0.20 0.76 0.76 0.00 

### 0.00 0.12 0.45 0.02 0.12 0.02 0.08 0.64 0.17 0.74 0.75 0.00 

### 0.00 0.21 0.60 0.04 0.21 0.03 0.15 0.82 0.27 11.06 11.09 2.37 6.77 0.72 2.39 0.59 1.92 9.04 2.71 3.19 3.19 0.43 1.08 0.15 0.42 0.15 0.37 1.57 0.47 10 10 0 5 0 0 0 0 9 0 **Change relative to base (dv)**

Number of Class I Areas with visibility improvement≥ 0.5 dv

5.00 6.00

# Cholla: 98th Percentile**Visibility Impairment, IMPROVE Method 8, 20% Best Bkgd.**

average of all area's (dv/annual TPY) 

### (sum of dv benefits over all areas) / (annual TPY) (max dv benefit of any area) / (annual TPY)

($/yr) / (sum of dv benefits over all areas) ($/yr) / (max dv benefit of any area) Capitol ReefGaliuro Gila Grand Canyon MazatzalMesa VerdeMount Baldy

Basecorr Pre

-LNB;SO2cor 1.69 0.49 0.79 2.51 1.33 1.53 1.41 CTRL2 Pre

-LNB SCR SO2c 0.74 0.32 0.48 1.21 0.77 0.66 0.70 Rev Base Post

-LNB SO2cor 1.46 0.45 0.70 2.22 1.19 1.34 1.21 Ctrl1_R Post

-LNB SNCR SO2c 1.19 0.40 0.61 1.85 1.03 1.08 0.95 Ctrl2_R PoLN SCR 84%CE, SO2c 0.69 0.31 0.48 1.16 0.76 0.63 0.70 0.00 1.00 2.00 3.00 4.00 5.00**V i** **s i** **b i** **l i** **t y** **I m** **p a** **i r** **m e** **n t** **(****- d** **v )** Ctrl2_R PoLN SCR 84%CE, SO2c 0.69 0.31 0.48 1.16 0.76 0.63 0.70 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.70 0.31 0.48 1.16 0.76 0.63 0.70Ctrl2_R ctrl2-r2

PoLN SCR 84%CE, SO2cPoLN SCR

83%CE, SO2c 0.77 0.76 0.14 0.14 0.22 0.22 1.07 1.06 0.43 0.43 0.71 0.70 0.52 0.52 1.34 1.34 0.31 0.31 0.05 0.05 0.51 0.51 0.51 0.51 0.68 0.68 7.23 7.21 1.34 1.34 8 8



# Cholla: 98th Percentile**Visibility Impairment, IMPROVE Method 8, 20% Best Bkgd.**

1.40 1.60 1.80 

# Cholla: Visibility Benefit of Controls,

Mount BaldyPetrified

Forest Pine

MountainSaguaroSierra AnchaSuperstitionSycamore Canyon 4.82 0.92 0.33 1.56 1.43 1.59 3.25 0.54 0.25 0.87 0.79 0.78 4.53 0.85 0.30 1.36 1.27 1.42 4.06 0.73 0.28 1.17 1.10 1.15 3.19 0.54 0.25 0.85 0.76 0.74 Capitol ReefGaliuro Gila Grand Canyon Basecorr Pre

-LNB; SO2cor 0.00 0.00 0.00 0.00 CTRL2 Pre

-LNB SCR SO2c 0.96 0.17 0.31 1.30 Rev Base Post

-LNB SO2cor 0.00 0.00 0.00 0.00 Ctrl1_R Post

-LNB SNCR SO2c 0.27 0.05 0.09 0.37 Ctrl2_R PoLN SCR 84%CE, SO2c 0.77 0.14 0.22 1.07 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.76 0.14 0.22 1.06 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40**V i** **s i** **b i** **l i** **t y** **B e** **n e** **f i** **t ,** **d v** 3.19 0.54 0.25 0.85 0.76 0.74 3.19 0.54 0.25 0.85 0.76 0.75 ctrl2

-r2 PoLN SCR 83%CE, SO2c 0.76 0.14 0.22 1.06

# Cholla: Visibility Benefit of Controls,**IMPROVE Method 8, 20% Best Bkgd.** 

Grand Canyon MazatzalMesa VerdeMount BaldyPetrified Forest Pine

MountainSaguaroSierra AnchaSuperstitionSycamore Canyon 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.30 0.55 0.87 0.71 1.57 0.39 0.08 0.69 0.64 0.82 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.37 0.16 0.26 0.27 0.47 0.12 0.02 0.20 0.17 0.27 1.07 0.43 0.71 0.52 1.34 0.31 0.05 0.51 0.51 0.68 1.06 0.43 0.70 0.52 1.34 0.31 0.05 0.51 0.51 0.681.06 0.43 0.70 0.52 1.34 0.31 0.05 0.51 0.51 0.68

# Table 1(d).**Visibility Impairment (98 th** 

# Percentile) at Each Class I Area (CIA) Within APS Cholla's Zone of Influence (300 km) for 2001-2003 Base Case Emissions and Control Options



# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** 

care 1.894 1.621 1.369 1.793 1.618 1.814 1.677 gali 1.037 1.033 0.967 1.036 1.035 1.034 1.033 gila 1.210 1.108 1.047 1.177 1.107 1.186 1.131 grca 4.905 4.507 3.338 4.767 4.506 4.798 4.606
maza 1.910 1.689 1.321 1.817 1.688 1.834 1.733
meve 1.499 1.269 1.056 1.428 1.277 1.432 1.309 moba 1.991 1.827 1.335 1.978 1.823 1.981 1.851 pefo 5.759 5.454 4.674 5.647 5.451 5.662 5.495 pimo 1.389 1.217 1.014 1.326 1.217 1.335 1.244 sagu 0.876 0.847 0.673 0.876 0.846 0.876 0.875 sian 2.064 1.905 1.773 2.004 1.905 2.014 1.932 supe 2.045 1.941 1.551 2.017 1.937 2.019 1.997 syca 2.059 1.830 1.342 1.976 1.827 2.000 1.899 **Total** 28.63826.24821.46027.84226.23727.98526.782

**Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2**
care 0.095 0.067 0.093 0.095 0.092 0.093 0.111 gali 0.001 0.009 0.001 0.001 0.003 0.002 0.018 gila 0.035 0.021 0.030 0.035 0.028 0.034 0.043 grca 0.138 0.200 0.128 0.137 0.123 0.128 0.283
maza 0.077 0.075 0.086 0.076 0.087 0.076 0.075
meve 0.080 0.056 0.066 0.076 0.077 0.081 0.082 moba 0.057 0.084 0.012 0.058 0.011 0.060 0.119 pefo 0.106 0.138 0.104 0.106 0.111 0.113 0.193 pimo 0.060 0.048 0.058 0.059 0.062 0.062 0.055 sagu 0.010 0.026 0.000 0.010 0.000 0.000 0.009 sian 0.055 0.037 0.055 0.055 0.057 0.057 0.106 supe 0.036 0.063 0.026 0.037 0.030 0.021 0.086 syca 0.079 0.091 0.077 0.080 0.068 0.069 0.106 **Average 0.064**  **0.070 0.057**  **0.063 0.058**  **0.061 0.099** 
dv_max/TPY0.14 0.20 0.13 0.14 0.12 0.13 0.28 dv_sum/TPY0.83 0.91 0.74 0.82 0.75 0.80 1.28 **98 th** 

# Percentile D-dv

*Uses the formula: dv/thousand TPY≡ **Table 4(d). Control Option Visibility Benefits (dv/thousand TPY)* for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003** 

# 2001 **CIA CIA** 

1000 * (dv change relative to base / TPY reduction relative to base)

# Table 5(d). Control Option Cost Effectivenessin million $/dv† for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003



# Ctrl-1 **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2** 

care 31 53 33 39 33 41 32 gali 2141 398 3284 5391 869 2211 202 gila 84 171 100 105 109 112 83 grca 22 18 24 27 24 30 13
maza 39 47 35 49 34 50 47
meve 37 63 46 49 39 47 43 moba 52 42 253 64 261 63 30 pefo 28 26 29 35 27 33 18 pimo 50 74 52 63 48 61 65 sagu 295 137 #N/A 359 #N/A 8842 416 sian 54 96 55 68 52 67 33 supe 82 56 117 100 100 184 41 syca 37 39 40 46 44 55 33 †million

# $/dv = $ per year in millions from Table 3 divided by dv benefit from Table 1(d) for each control option. **CIA 2001** 

# Percentile) at Each Class I Area (CIA) Within APS Cholla's Zone of Influence (300 km) for 2001-2003 Base Case Emissions and Control Options(listed in Table 2)



# Basecorr**CTRL2 Rev Base** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2** 1.483 0.613 1.287 1.033 0.600 0.601 0.273 0.525 0.499 0.361 0.488 0.417 0.361 0.361 0.004 0.070 0.732 0.398 0.654 0.569 0.384 0.385 0.102 0.163 4.260 2.039 3.858 3.259 1.908 1.918 0.398 1.567 1.354 0.767 1.237 1.089 0.742 0.744 0.221 0.589 1.117 0.470 0.970 0.774 0.441 0.443 0.230 0.443 1.654 0.720 1.420 1.114 0.699 0.703 0.164 0.656 4.816 3.301 4.543 4.168 3.226 3.231 0.305 1.085 0.924 0.494 0.823 0.695 0.475 0.477 0.172 0.375 0.376 0.309 0.358 0.336 0.294 0.295 0.029 0.203 1.673 0.840 1.467 1.218 0.808 0.811 0.159 0.291 1.538 0.865 1.365 1.155 0.850 0.852 0.104 0.494 1.594 0.760 1.424 1.181 0.719 0.722 0.229 0.717 22.02011.93719.89417.00811.50711.543 2.390 7.178

**2002 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5** 0.090 0.090 0.090 0.075 0.049 0.071 0.071 0.075 0.025 0.017 0.017 0.000 0.021 0.000 0.000 0.000 0.030 0.035 0.035 0.001 0.006 0.001 0.001 0.001 0.212 0.254 0.254 0.189 0.159 0.181 0.182 0.180 0.052 0.065 0.064 0.062 0.056 0.057 0.063 0.055 0.070 0.069 0.069 0.099 0.097 0.088 0.110 0.091 0.109 0.094 0.094 0.056 0.030 0.082 0.055 0.100 0.133 0.172 0.172 0.138 0.137 0.106 0.138 0.107 0.045 0.045 0.045 0.045 0.042 0.046 0.045 0.044 0.008 0.008 0.008 0.004 0.021 0.000 0.004 0.000 0.088 0.086 0.086 0.063 0.084 0.091 0.063 0.138 0.074 0.067 0.067 0.031 0.068 0.036 0.031 0.037 0.086 0.092 0.092 0.054 0.111 0.002 0.053 0.001 **0.079 0.084**  **0.084 0.063**  **0.068 0.059**  **0.063 0.064** 

0.21 0.25 0.25 0.19 0.16 0.18 0.18 0.18 1.02 1.09 1.09 0.82 0.88 0.76 0.82 0.83 **Percentile D-dv**

**Table 4(d). Control Option Visibility Benefits (dv/thousand TPY)* for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003**



# 1000 * (dv change relative to base / TPY reduction relative to base) **2001**

# Table 5(d). Control Option Cost Effectivenessin million $/dv† for Each Class I Area Within APS Cholla's Zone of Influence (300 km) for 2001-2003



# CTRL1_R**CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5** 33 40 40 40 72 43 52 40 119 218 218 8565 169 #N/A 10781 #N/A 99 103 103 2855 557 3284 3594 2607 14 14 14 16 22 17 20 17 57 56 56 48 64 53 59 54 43 52 53 30 37 35 34 33 28 38 39 54 118 37 67 30 22 21 21 22 26 29 27 28 66 80 80 66 85 66 82 69 383 433 440 779 172 #N/A 980 #N/A 34 42 42 47 42 34 59 22 40 54 54 95 52 84 118 81 35 39 40 55 32 1642 70 2607 $/dv = $ per year in millions from Table 3 divided by dv benefit from Table 1(d) for each control option. **2002**

# Ctrl-3 **Ctrl-4 Ctrl-5** **Ctrl-6 CTRL2** **CTRL1_R CTRL2_R** **ctrl2_r2**

0.101 0.276 0.080 0.217 0.870 0.254 0.687 0.686 0.001 0.002 0.003 0.004 0.138 0.071 0.127 0.127 0.033 0.103 0.024 0.079 0.334 0.085 0.270 0.269 0.138 0.399 0.107 0.299 2.221 0.599 1.950 1.940 0.093 0.222 0.076 0.177 0.587 0.148 0.495 0.493 0.071 0.222 0.067 0.190 0.647 0.196 0.529 0.527 0.013 0.168 0.010 0.140 0.934 0.306 0.721 0.717 0.112 0.308 0.097 0.264 1.515 0.375 1.317 1.312 0.063 0.172 0.054 0.145 0.430 0.128 0.348 0.346 0.000 0.030 0.000 0.001 0.067 0.022 0.064 0.063 0.060 0.159 0.050 0.132 0.833 0.249 0.659 0.656 0.028 0.108 0.026 0.048 0.673 0.210 0.515 0.513 0.083 0.232 0.059 0.160 0.834 0.243 0.705 0.702 0.796 2.401 0.653 1.85610.083 2.886 8.387 8.351

**2003 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3** 0.074 0.078 0.065 0.065 0.065 0.172 0.120 0.176 0.000 0.020 0.019 0.013 0.013 0.026 0.016 0.030 0.001 0.042 0.035 0.030 0.030 0.079 0.062 0.079 0.180 0.152 0.122 0.132 0.131 0.058 0.061 0.088 0.055 0.072 0.065 0.062 0.062 0.039 0.044 0.077 0.067 0.113 0.093 0.093 0.093 0.127 0.108 0.124 0.068 0.089 0.077 0.070 0.070 0.003 0.050 0.003 0.135 0.171 0.146 0.139 0.138 0.127 0.122 0.114 0.043 0.070 0.059 0.057 0.057 0.020 0.024 0.003 0.000 0.013 0.009 0.010 0.010 0.012 0.008 0.020 0.078 0.090 0.075 0.076 0.076 0.070 0.053 0.048 0.036 0.084 0.065 0.073 0.073 0.049 0.035 0.055 0.040 0.122 0.123 0.091 0.091 0.046 0.037 0.076 **0.060 0.086**  **0.073 0.070**  **0.070 0.064**  **0.057 0.069** 

0.18 0.17 0.15 0.14 0.14 0.17 0.12 0.18 0.78 1.12 0.95 0.91 0.91 0.83 0.74 0.89

**Change relative to base (dv)**

# Ctrl-6**CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3**

51 45 46 55 55 17 30 17 8842 175 156 272 272 114 225 103 4421 84 84 120 120 37 58 38 21 23 25 27 28 52 58 35 69 49 46 59 59 77 80 40 56 31 32 39 39 23 33 25 56 40 39 52 52 1071 71 1095 28 21 21 26 26 23 29 27 88 51 51 63 63 148 148 1095 8842 270 324 370 375 245 422 149 49 39 40 47 48 42 66 63 105 42 46 50 50 61 100 56 95 29 24 40 40 64 95 40 **2002**

# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **Basecorr**

1.433 1.218 1.046 1.356 1.225 1.368 1.261 1.034 0.904 0.903 0.739 0.904 0.903 0.904 0.903 0.456 1.481 1.478 1.431 1.480 1.478 1.480 1.479 0.833 3.467 2.922 2.220 3.271 2.936 3.310 3.047 2.369 2.078 1.899 1.640 2.016 1.895 2.030 1.950 1.320 2.042 1.757 1.282 1.947 1.721 1.963 1.885 1.551 1.912 1.752 1.675 1.823 1.752 1.825 1.753 1.423 5.140 4.743 4.066 5.025 4.738 5.047 4.825 4.421 1.771 1.642 1.445 1.721 1.640 1.733 1.670 1.172 0.639 0.628 0.477 0.639 0.628 0.639 0.638 0.305 2.356 2.173 1.694 2.258 2.173 2.236 2.175 1.594 2.153 2.063 1.619 2.114 2.062 2.121 2.069 1.461 2.755 2.599 1.882 2.753 2.600 2.754 2.662 1.914 28.13125.77721.21627.30725.75127.41026.31719.853

**All Years Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1** 0.179 0.153 0.154 0.156 0.114 0.132 0.132 0.106 0.026 0.028 0.027 0.026 0.028 0.025 0.025 0.040 0.080 0.073 0.073 0.039 0.043 0.032 0.032 0.018 0.052 0.096 0.079 0.102 0.083 0.084 0.084 0.149 0.038 0.073 0.045 0.059 0.053 0.050 0.050 0.060 0.126 0.122 0.122 0.140 0.114 0.119 0.119 0.107 0.003 0.002 0.003 0.045 0.057 0.034 0.034 0.013 0.114 0.117 0.169 0.219 0.176 0.187 0.187 0.104 0.020 0.002 0.017 0.024 0.026 0.022 0.022 0.039 0.012 0.020 0.015 0.018 0.015 0.014 0.014 0.032 0.070 0.040 0.060 0.052 0.055 0.054 0.053 0.039 0.048 0.055 0.057 0.043 0.032 0.037 0.037 0.041 0.047 0.077 0.049 0.077 0.068 0.062 0.062 0.074 **0.063 0.066**  **0.067 0.077**  **0.066 0.065**  **0.065 0.063** 

0.18 0.15 0.17 0.22 0.18 0.19 0.19 0.15 0.82 0.86 0.87 1.00 0.86 0.85 0.85 0.82 **98 th** 

# Percentile D-dv

# Ctrl-4 **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1**

21 20 25 23 26 27 27 28 142 109 138 139 108 144 144 74 46 41 52 90 70 112 113 165 71 31 48 35 36 43 43 20 97 41 83 60 57 73 73 49 29 25 31 25 26 30 31 28 1348 1304 1474 79 52 108 108 231 32 26 22 16 17 19 19 29 189 1304 221 148 117 166 166 76 308 153 260 202 206 250 252 92 53 74 64 68 55 67 68 76 76 54 67 82 94 98 98 73 79 39 78 46 44 58 58 40

**2003**

# CTRL2**Rev Base CTRL1_R** **CTRL2_R ctrl2_r2**  **Ctrl-1 Ctrl-2**  **Ctrl-3**

0.418 0.893 0.709 0.391 0.3930.215 0.387 0.077 0.297 0.399 0.345 0.297 0.2970.001 0.165 0.000 0.501 0.731 0.631 0.500 0.50.003 0.050 0.001 1.173 2.104 1.761 1.095 1.1010.545 1.247 0.196 0.752 1.192 1.008 0.720 0.7210.179 0.438 0.062 0.662 1.346 1.083 0.631 0.6340.285 0.760 0.095 0.727 1.243 1.027 0.708 0.7090.160 0.237 0.089 3.077 4.056 3.645 2.993 2.9990.397 1.074 0.115 0.624 1.048 0.882 0.608 0.6090.129 0.326 0.050 0.202 0.264 0.238 0.189 0.190.011 0.162 0.000 0.884 1.437 1.225 0.851 0.8540.183 0.662 0.098 0.801 1.322 1.138 0.765 0.7670.090 0.534 0.039 0.954 1.648 1.302 0.953 0.9530.156 0.873 0.002 11.07217.68314.99410.701 10.727 2.354 6.915 0.824

**Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 CTRL2**  **CTRL1_R CTRL2_R**  0.098 0.055 0.108 0.031 0.094 0.122 0.095 0.100 0.024 0.049 0.039 0.047 0.045 0.022 0.016 0.018 0.023 0.006 0.018 0.005 0.005 0.039 0.031 0.028 0.137 0.132 0.142 0.157 0.157 0.165 0.133 0.139 0.058 0.067 0.060 0.071 0.058 0.071 0.057 0.056 0.094 0.088 0.110 0.091 0.088 0.110 0.090 0.092 0.050 0.003 0.013 0.002 0.012 0.090 0.094 0.067 0.124 0.142 0.104 0.170 0.129 0.199 0.168 0.174 0.036 0.019 0.039 0.008 0.042 0.049 0.043 0.040 0.024 0.037 0.033 0.034 0.033 0.010 0.007 0.007 0.061 0.001 0.041 0.000 0.061 0.088 0.069 0.066 0.057 0.023 0.040 0.020 0.034 0.081 0.059 0.066 0.077 0.039 0.073 0.037 0.063 0.104 0.097 0.089 **0.066 0.051**  **0.063 0.052**  **0.063 0.089**  **0.074 0.073** 

0.14 0.14 0.14 0.42 0.16 0.20 0.17 0.17 0.86 0.66 0.82 0.67 0.82 1.15 0.96 0.94 **2002**

# Ctrl-2 **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R**

36 55 34 97 40 16 4 19 147 62 94 64 83 57 11 62 157 547 207 652 737 35 6 40 26 23 26 19 24 11 3 12 62 45 62 42 65 21 4 23 38 35 34 33 43 18 5 21 70 1095 291 1304 305 20 4 23 29 21 36 18 29 6 2 6 99 156 95 372 90 30 6 33 147 82 111 87 115 83 13 93 58 3284 91 #N/A 62 18 4 20 62 131 92 153 112 20 4 22 46 78 50 81 60 17 4 19 **All Years**

# Ctrl-4 **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2**  **Base**

0.208 0.065 0.172 0.616 0.184 0.502 0.500 2.761 0.001 0.000 0.001 0.159 0.054 0.102 0.102 0.738 0.003 0.001 0.002 0.332 0.100 0.231 0.231 1.644 0.531 0.157 0.420 1.196 0.343 1.009 1.003 2.375 0.183 0.048 0.128 0.568 0.184 0.472 0.471 1.970 0.321 0.079 0.157 0.889 0.263 0.715 0.712 2.347 0.160 0.087 0.159 0.696 0.216 0.535 0.534 1.921 0.402 0.093 0.315 1.344 0.411 1.063 1.057 5.949 0.131 0.038 0.101 0.548 0.166 0.440 0.439 1.445 0.011 0.000 0.001 0.103 0.026 0.075 0.074 0.483 0.183 0.120 0.181 0.710 0.212 0.586 0.583 1.946 0.091 0.032 0.084 0.660 0.184 0.557 0.555 1.603 0.155 0.001 0.093 0.960 0.346 0.695 0.695 1.586 2.380 0.721 1.814 8.781 2.689 6.982 6.956 26.768

**ctrl2_r2** 0.100 0.018 0.028 0.139 0.056 0.092 0.067 0.175 0.040 0.007 0.066 0.066 0.089 **0.073**

0.17 0.94**Change relative to base (dv)**

# ctrl2_r2

23 69 45 15 27 26 29 7 38 100 24 25 24

# Ctrl-1 **Ctrl-2 Ctrl-3**  **Ctrl-4 Ctrl-5**  **Ctrl-6 Basecorr** **CTRL2**

2.264 1.821 2.571 2.239 2.628 2.401 2.060 0.836 0.663 0.614 0.706 0.662 0.714 0.674 0.436 0.235 1.415 1.161 1.558 1.411 1.580 1.474 0.850 0.541 2.209 1.897 2.280 2.223 2.291 2.190 1.713 0.914 1.859 1.623 1.887 1.859 1.906 1.864 1.283 0.819 1.981 1.503 2.213 1.981 2.241 2.063 1.895 0.799 1.913 1.528 1.918 1.913 1.919 1.915 1.038 0.685 5.582 4.993 5.826 5.617 5.847 5.555 5.240 3.522 1.387 1.257 1.442 1.388 1.443 1.405 0.677 0.489 0.448 0.417 0.461 0.448 0.466 0.449 0.305 0.167 1.744 1.526 1.894 1.741 1.911 1.807 1.224 0.817 1.462 1.325 1.544 1.462 1.555 1.471 0.982 0.644 1.452 1.294 1.504 1.449 1.519 1.472 1.143 0.537 24.37920.95925.80424.39326.020 24.740 18.846 11.005 **98 th** 

# Percentile D-dv

# Rev Base**CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1**  **Ctrl-2 Ctrl-3** 

1.811 1.489 0.799 0.8020.497 0.940 0.190 0.426 0.348 0.233 0.2330.075 0.124 0.032 0.758 0.637 0.511 0.5130.229 0.483 0.086 1.521 1.287 0.879 0.8810.166 0.478 0.095 1.166 1.017 0.784 0.7860.111 0.347 0.083 1.660 1.338 0.748 0.7520.366 0.844 0.134 0.929 0.767 0.671 0.6710.008 0.393 0.003 4.869 4.372 3.436 3.4420.367 0.956 0.123 0.655 0.583 0.488 0.4880.058 0.188 0.003 0.271 0.230 0.160 0.1610.035 0.066 0.022 1.198 1.044 0.787 0.790.202 0.420 0.052 0.927 0.837 0.643 0.6430.141 0.278 0.059 1.005 0.813 0.527 0.5280.134 0.292 0.082 17.196 14.762 10.666 10.690 2.389 5.809 0.964 **2003**

# Ctrl-4 **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** **CTRL2_R ctrl2_r2** 

0.522 0.133 0.360 1.224 0.322 1.012 1.009 0.076 0.024 0.064 0.201 0.078 0.193 0.193 0.233 0.064 0.170 0.309 0.121 0.247 0.245 0.152 0.084 0.185 0.799 0.234 0.642 0.640 0.111 0.064 0.106 0.464 0.149 0.382 0.380 0.366 0.106 0.284 1.096 0.322 0.912 0.908 0.008 0.002 0.006 0.353 0.162 0.258 0.258 0.332 0.102 0.394 1.718 0.497 1.433 1.427 0.057 0.002 0.040 0.188 0.072 0.167 0.167 0.035 0.017 0.034 0.138 0.041 0.111 0.110 0.205 0.035 0.139 0.407 0.154 0.411 0.408 0.141 0.048 0.132 0.338 0.090 0.284 0.284 0.137 0.067 0.114 0.606 0.192 0.478 0.477 2.375 0.748 2.028 7.841 2.434 6.530 6.506 **Change relative to base (dv)**

# Base **Ctrl-1 Ctrl-2**  **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** 

2.177 1.872 1.409 2.117 1.862 2.150 1.958 0.881 0.765 0.692 0.828 0.766 0.840 0.775 1.475 1.423 1.297 1.469 1.423 1.471 1.463 3.351 2.922 2.272 3.208 2.936 3.214 2.984 2.069 1.895 1.617 1.996 1.894 2.007 1.933 2.042 1.734 1.307 1.947 1.721 1.963 1.836 1.944 1.907 1.548 1.941 1.907 1.942 1.915 5.557 5.258 4.585 5.403 5.255 5.409 5.256 1.550 1.437 1.268 1.529 1.437 1.543 1.452 0.736 0.643 0.546 0.696 0.639 0.706 0.659 2.175 2.062 1.694 2.174 2.056 2.175 2.032 2.026 1.909 1.578 2.001 1.909 2.009 1.947 2.119 1.905 1.518 2.077 1.905 2.087 1.972 28.102 25.732 21.331 27.386 25.710 27.516 26.182 **98 th** 

# Percentile D-dv

# Basecorr**CTRL2 Rev Base** **CTRL1_R CTRL2_R** **ctrl2_r2 Ctrl-1** 

1.690 0.735 1.460 1.191 0.694 0.6980.305 0.486 0.315 0.446 0.400 0.309 0.3090.116 0.794 0.484 0.701 0.614 0.484 0.4840.052 2.510 1.211 2.224 1.850 1.159 1.1630.429 1.326 0.772 1.192 1.031 0.763 0.7630.174 1.527 0.662 1.338 1.083 0.631 0.6340.308 1.410 0.700 1.214 0.949 0.698 0.6980.037 4.816 3.251 4.528 4.055 3.190 3.1920.299 0.924 0.537 0.845 0.725 0.537 0.5370.113 0.334 0.253 0.299 0.278 0.247 0.2480.093 1.562 0.874 1.360 1.165 0.851 0.8530.113 1.425 0.786 1.266 1.099 0.759 0.7610.117 1.594 0.776 1.424 1.151 0.742 0.7450.214 20.398 11.356 18.297 15.591 11.064 11.085 2.370 **Percentile D-dv All Years** 

# Ctrl-2 **Ctrl-3 Ctrl-4**  **Ctrl-5 Ctrl-6** **CTRL2 CTRL1_R** 

0.768 0.060 0.315 0.027 0.219 0.955 0.269 0.189 0.053 0.115 0.041 0.106 0.171 0.046 0.178 0.006 0.052 0.004 0.012 0.310 0.087 1.079 0.143 0.415 0.137 0.367 1.299 0.374 0.452 0.073 0.175 0.062 0.136 0.554 0.161 0.735 0.095 0.321 0.079 0.206 0.865 0.255 0.396 0.003 0.037 0.002 0.029 0.710 0.265 0.972 0.154 0.302 0.148 0.301 1.565 0.473 0.282 0.021 0.113 0.007 0.098 0.387 0.120 0.190 0.040 0.097 0.030 0.077 0.081 0.021 0.481 0.001 0.119 0.000 0.143 0.688 0.195 0.448 0.025 0.117 0.017 0.079 0.639 0.167 0.601 0.042 0.214 0.032 0.147 0.818 0.273 6.771 0.716 2.392 0.586 1.920 9.042 2.706 **Change relative to base (dv)**

# CTRL2_R**ctrl2_r2**

0.766 0.762 0.137 0.137 0.217 0.217 1.065 1.061 0.429 0.429 0.707 0.704 0.516 0.516 1.338 1.336 0.308 0.308 0.052 0.051 0.509 0.507 0.507 0.505 0.682 0.679 7.233 7.212

# lookup tables

Cholla Control scenarios scenariosunit 2 unit 3 unit 4

Base SOFA SOFA SOFA Ctrl-1 SNCR SNCR SNCR Ctrl-2 SCR SCR SCR Ctrl-3 SOFA SOFA SNCR Ctrl-4 LNB + SOFA LNB + SOFA SCR Ctrl-5 LNB + SOFA SNCR LNB + SOFA Ctrl-6 LNB + SOFA SCR LNB + SOFA Basecorr SOFA; SO2corr SOFA; SO2corr SOFA;SO2corr CTRL2 Pre-LNB, SCR,SO2corr Pre-LNB, SCR,SO2corrPre-LNB, SCR,SO2corr Rev Base Post-LNB;SO2corr Post-LNB;SO2corrPost-LNB;SO2corr CTRL1_R Post-LNB SNCR SO2c Post-LNB SNCR SO2cPost-LNB SNCR SO2c CTRL2_R Post-LNB SCR@84%CE SO2cPost-LNB SCR SO2cPost-LNB SCR SO2c ctrl2-r2 PostLNB SCR@83%CE SO2cPost-LNB SCR SO2cPost-LNB SCR SO2c

# Class I areas

short abbrClass I area Class I area, medium

Pre-LNB SOFA bandBandelier Bandelier NM Pre-LNB SNCR brcaBryce Canyon Bryce Canyon NP Pre-LNB SCR careCapitol Reef Capitol Reef NP Pre-LNB SNCR u.4 chirChiricahua NMChiricahua NM Pre-LNB SCR u.4 chrwChiricahua Chiricahua Wild. Pre-LNB SNCR u.3 galiGaliuro Galiuro Wild. Pre-LNB SCR u.3 gilaGila Gila Wild. Pre-LNB; SO2cor grcaGrand Canyon Grand Canyon NP Pre-LNB SCR SO2c jotrJoshua Tree Joshua Tree NP Post-LNB SO2cor mazaMazatzal Mazatzal Wild. Post-LNB SNCR SO2c meveMesa Verde Mesa Verde NP PoLN SCR 84%CE, SO2c mobaMount Baldy Mount Baldy Wild. PoLN SCR 83%CE, SO2c pefoPetrified ForestPetrified Forest NP pimoPine MountainPine Mountain Wild. saguSaguaro Saguaro NP sapeSan Pedro ParksSan Pedro Parks Wild. sianSierra Ancha Sierra Ancha Wild. supeSuperstition Superstition Wild. sycaSycamore CanyonSycamore Canyon Wild. zionZion Zion NP

# Class I area, long state

Bandelier NM NM Bryce Canyon NP UT Capitol Reef NP UT Chiricahua NM AZ Chiricahua Wilderness AZ Galiuro Wilderness AZ Gila Wilderness NM Grand Canyon NP AZ Joshua Tree NP CA Mazatzal Wilderness AZ Mesa Verde NP CO Mount Baldy Wilderness AZ Petrified Forest NP AZ Pine Mountain Wilderness AZ Saguaro NP AZ San Pedro Parks Wilderness NM Sierra Ancha Wilderness AZ Superstition Wilderness AZ Sycamore Canyon WildernessAZ Zion NP UT