The tabs in this worksheet show 1) projected ozone design values (DVs) from the 2025 base and twelve 2025 emissions sens

Anyone interestsed in these date should first read Chapter 3 of the RIA to fully understand how t

ozone DV projections were computing using version 2.6.1 of the Model Attainment Test Softwar

Details of how the ozone attainment test was run are given in chapter 3 of the RIA

Missing DVs are indicated by a value of -9. Reaseons for missing DVs are explained in more deta

Application of these projected ozone DVs to create the 2025 baseline and alternative standard sc

Tables of ozone DVs for the 2025 baseline and alternative standard scenarios are provided in app

All emissions scenarios are relative to the 2025 base case

VOC cuts in emissions sensitivity #2 were modeled nationwide. However, as described in Chapte

List of Emissions Sensitivity Cases that Were Modeled in CAMx to Determine Ozone Response Factors

Emissions Sensitivity Case Emissions Reduction 

Region Pollutant

1 National All

2 National VOC

3 California NOx

4 California NOx

5 California NOx

6 Southwest NOx

7 Texas NOx

8 Central NOx

9 Midwest NOx

10 Northeast NOx

11 Northeast NOx

12 Northeast NOx
 values (DVs) from the 2025 base and twelve 2025 emissions sensitivity simulations described in chapter 3 of the RIA and 2) emissions su

ate should first read Chapter 3 of the RIA to fully understand how they were developed and applied in the RIA

mputing using version 2.6.1 of the Model Attainment Test Software (MATS) released on 12/1/14 and available at http://www.epa.gov/ttn

nment test was run are given in chapter 3 of the RIA

 value of -9. Reaseons for missing DVs are explained in more detail in chapter 3 and appendix 3-A of the RIA

 ozone DVs to create the 2025 baseline and alternative standard scenarios are described in chapter 3 and appendix 3-A of the ozone RIA

25 baseline and alternative standard scenarios are provided in appendix 3-A of the ozone RIA

ative to the 2025 base case

ty #2 were modeled nationwide. However, as described in Chapter 3 of the RIA all VOC impacts were assumed to occur from local emissi

led in CAMx to Determine Ozone Response Factors

Emissions Scenario

111d proposal option 1 (state) in 2025

50% VOC cut

CA explicit emissions control case

CA explicit emissions control case + 50% NOx cut

CA explicit emissions control case + 90% NOx cut

50% NOx cut

TX explicit emissions control case

TX explicit emissions control case + 50% NOx cut (central)

50% NOx cut

Northeast explicit emissions control case

Northeast explicit emissions control case + 50% NOx cut

Northeast explicit emissions control case + 90% NOx cut
RIA and 2) emissions summaries that were used in the calculation of DVs for the scenarios of meeting various standard levels also describ

ttp://www.epa.gov/ttn/scram/modelingapps_mats.htm

x 3-A of the ozone RIA

occur from local emissions changes. VOC buffer regions shown in the other two tabs were used define local impacts regions for 8 areas o
rious standard levels also described in chapter 3 of the RIA

ocal impacts regions for 8 areas of the US. Names in the "VOC buffer region" columns of the "2025 ozone DVs" workbook show which VO
ne DVs" workbook show which VOC buffer each monitor is located in (blank values indicate the monitor is not in one of the buffer region
 is not in one of the buffer regions applied in this analysis)