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Clean Air Act stationary source · ICIS-AIR GA0000001312100869

MAS ASB COGEN LLC CHP FACILITY, Atlanta, GA: Clean Air Act compliance record, inspections, violations, penalties

MAS ASB COGEN LLC CHP FACILITY, at 3791 BROWNS MILL ROAD, Atlanta in Fulton County, Georgia, is an operating synthetic minor source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Fulton County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filedMAS ASB COGEN LLC CHP FACILITY
ICIS-AIR IDGA0000001312100869
EPA facility registry ID110041890497
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address3791 BROWNS MILL ROAD, Atlanta, GA 30354
CountyFulton County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Utilities (NAICS 2211)
SIC code4911
EPA region04

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs MAS ASB COGEN LLC CHP FACILITY is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
July 31, 2026FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 16, 2026PCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 3, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 2, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 3, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 29, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 17, 2024FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 18, 2024PCE On-Site Record/Report ReviewStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 29, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 30, 2023PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 6, 2023PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 30, 2022PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 1, 2022PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 30, 2021PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 1, 2021PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 2, 2020PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 30, 2019FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 29, 2019PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 9, 2019PCE On-Site Record/Report ReviewStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 1, 2019PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 20, 2018PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 29, 2018PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 30, 2017PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 3, 2017PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

DateWhat EPA recordedAgencyPrograms
September 4, 2024Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 1, 2018Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

0 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Informal enforcement

DateWhat EPA recordedAgency
September 4, 2024Notice of ViolationState
May 1, 2018Notice of ViolationState

Stack tests

The newest 50 of 103.

DateWhat EPA recordedAgency
April 8, 2026PassState
April 8, 2026PassState
April 8, 2026PassState
April 7, 2026PassState
April 7, 2026PassState
April 7, 2026PassState
April 6, 2026PassState
April 6, 2026PassState
April 6, 2026PassState
April 9, 2025PassState
April 9, 2025PassState
April 9, 2025PassState
April 8, 2025PassState
April 8, 2025PassState
April 8, 2025PassState
April 8, 2025PassState
April 8, 2025PassState
April 8, 2025PassState
March 14, 2024PassState
March 14, 2024PassState
March 14, 2024PassState
March 14, 2024PassState
March 14, 2024PassState
March 14, 2024PassState
March 14, 2024PassState
March 14, 2024PassState
March 14, 2024PassState
April 6, 2023PassState
April 6, 2023PassState
April 6, 2023PassState
April 5, 2023PassState
April 5, 2023PassState
April 5, 2023PassState
April 4, 2023PassState
April 4, 2023PassState
April 4, 2023PassState
April 8, 2022PassState
April 8, 2022PassState
April 8, 2022PassState
April 7, 2022PassState
April 7, 2022PassState
April 7, 2022PassState
April 6, 2022PassState
April 6, 2022PassState
April 6, 2022PassState
June 21, 2021PassState
June 21, 2021PassState
June 21, 2021PassState
April 20, 2021PassState
April 20, 2021PassState

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110041890497 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.