MILES CITY FIELD OFFICE

Supplemental Air Quality Analysis

APPENDIX A

EMISSIONS INPUT
Supplemental Air Quality Analysis

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APPENDIX A

List of Tables

A.1 Montana Project Emission Calculations

A.1.1 Emission Calculations for the Montana CBM Project Construction Activities – Alternative H Revised

A.1.2 Emission Calculations for the Montana CBM Project Operational Activities – Alternative H Revised

A.1.3 Emission Calculations for the Montana CBM Project Maintenance Activities – Alternative H Revised

A.1.4 ADY 20 Alt H Rev CBNG

A.1.5 Emission Points Alt H Rev. CBNG

A.2.1 Emission Calculations for the Montana Conventional O&G Project Construction Activities – Alternative H 

Revised

A.2.2 Emission Calculations for the Montana Conventional O&G Project Operational Activities – Alternative H 

Revised

A.2.3 Emission Calculations for the Montana Conservation O&G Project Maintenance Activities – Alternative H 

Revised

A.2.4 ADY 20 - O&G

A.2.5 Emission Points - O&G

A.3.1 Construction Emission Calculations for the Montana CBNG Project Activities - Scenario 1

A.3.2 Emission Calculations for the Montana CBNG Project Operational Activities - Scenario 1

A.3.3 Emission Calculations for the Montana CBNG Project Maintenance Activities - Scenario 1

A.3.4 ADY 20 - Scenario 1

A.3.5 Emission Points - Scenario 1

A.4.1 Emission Calculations for the Montana CBNG Project Construction Activities - Scenario 2

A.4.2 Emission Calculations for the Montana CBNG Project Operational Activities - Scenario 2

A.4.3 Emission Calculations for the Montana CBNG Maintenance Activities - Scenario 2

A.4.4 ADY20 - Scenario 2

A.4.5 Emission Points - Scenario 2
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A.1 Montana Project Emission Calculations

A.1.1 Construction Emission Calculations for the Montana CBM Project Activities – Alternative H Revised

Fugitive Dust Emissions
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Exhaust Emissions
Supplemental Air Quality Analysis

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Commuting Vehicles

Road Dust Emissions
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Supplemental Air Quality Analysis

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Exhaust Emissions
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.1.1.2 Emission Calculations for the Montana CBM Project Operational Activities – Alternative H Revised

Compressors – Natural Gas Fired
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Dehydrators
Supplemental Air Quality Analysis

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Road Dust Emissions

Exhaust Emissions

 Emissions Estimation for Road Traffic:
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Well Workover

Road Dust Emissions

Exhaust Emissions – On-site

Exhaust Emissions – On-site
Supplemental Air Quality Analysis

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Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.1.1.3 Emission Calculations for the Montana CBM Project Maintenance Activities – Alternative H Revised

Road Maintenance – Heavy Equipment
Supplemental Air Quality Analysis

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Fugitive Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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Road Maintenance – Commuting Vehicles

Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.1.4 ADY 20 Alt H Rev CBNG
Supplemental Air Quality Analysis

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ADY 20 Alt H Rev CBNG
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.1.5 Emission Points Alt H Rev. CBNG
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.2.1 Emission Calculations for the Montana Conventional O&G Project Construction Activities – Alternative H Revised

Fugitive Dust Emissions
Supplemental Air Quality Analysis

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Exhaust Emissions
Supplemental Air Quality Analysis

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Road Dust Emissions
Supplemental Air Quality Analysis

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Road Dust Emissions (Continued)
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Exhaust Emissions
Supplemental Air Quality Analysis

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Exhaust Emissions (continued)
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A.2.2 Emission Calculations for the Montana Conventional O&G Project Operational Activities – Alternative H Revised

Road Dust Emissions

Exhaust Emissions – On-site

Exhaust Emissions – On-road
Supplemental Air Quality Analysis

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Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.2.3 Emission Calculations for the Montana Conservation O&G Project Maintenance Activities – Alternative H Revised

Road Maintenance – Heavy Equipment
Supplemental Air Quality Analysis

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Fugitive Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.2.4 ADY 20 Alt H Rev O&G
Supplemental Air Quality Analysis

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ADY 20 Alt H Rev O&G
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.2.5 Emission Points Alt H Rev O&G
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.3.1 Construction Emission Calculations for the Montana CBNG Project Activities - Scenario 1

Heavy Equipment

Fugitive Dust Emissions
Supplemental Air Quality Analysis

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Exhaust Emissions
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Commuting Vehicles

Road Dust Emissions
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Exhaust Emissions
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.3.2 Emission Calculations for the Montana CBNG Project Operational Activities - Scenario 1

Compressors – Natural Gas Fired
Supplemental Air Quality Analysis

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Dehydrators
Supplemental Air Quality Analysis

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Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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Well Workover

Exhaust Emissions

Exhaust Emissions – On-site

Exhaust Emissions – On-site
Supplemental Air Quality Analysis

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Well and Pipeline Visits for Inspection and Repair

Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.3.3 Emission Calculations for the Montana CBNG Project Maintenance Activities - Scenario 1

Road Maintenance
Supplemental Air Quality Analysis

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Fugitive Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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Maintenance Visits to Compressor Stations

Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.3.4 ADY 20 – Scenario 1
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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.3.5 Emission Points - Scenario 1
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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.4.1 Emission Calculations for the Montana CBNG Project Construction Activities - Scenario 2

Heavy Equipment

Fugitive Dust Emissions
Supplemental Air Quality Analysis

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Exhaust Emissions
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Commuting Vehicles

Road Dust Emissions
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Exhaust Emissions
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.4.2 Emission Calculations for the Montana CBNG Project Operational Activities - Scenario 2

Compressors – Natural Gas Fired
Supplemental Air Quality Analysis

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Dehydrators
Supplemental Air Quality Analysis

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Compressor Station Visits for Inspection and Repair

Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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Well Workover

Road Dust Emissions

Exhaust Emissions – On-site

Exhaust Emissions – On-site
Supplemental Air Quality Analysis

A - 79

Well and Pipeline Visits for Inspection and Repair

Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.4.3 Emission Calculations for the Montana CBNG Maintenance Activities - Scenario 2

Road Maintenance – Heavy Equipment
Supplemental Air Quality Analysis

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Fugitive Dust Emissions
Supplemental Air Quality Analysis

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Exhaust Emissions
Supplemental Air Quality Analysis

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Maintenance Visits to Compressor Stations

Road Dust Emissions

Exhaust Emissions
Supplemental Air Quality Analysis

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A.4.4 ADY20 - Scenario 2
Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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A.4.5 Emission Points - Scenario 2
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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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Supplemental Air Quality Analysis

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