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Clean Air Act stationary source · ICIS-AIR PA000272297

AT IND LLC/MONONGAHELA PLT, Monongahela, PA: Clean Air Act compliance record, inspections, violations, penalties

AT IND LLC/MONONGAHELA PLT, at 731 E MAIN ST, Monongahela in Washington County, Pennsylvania, is an operating 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”. Washington 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.

What the register holds for AT IND LLC/MONONGAHELA PLT: its ICIS-AIR ID, its operating status, its emissions classification, its current violation status, its industry code and its address in Monongahela, Washington County, Pennsylvania. EPA’s compliance evaluation, violation, stack test and enforcement files, as loaded, hold no record for ICIS-AIR PA000272297 since January 1, 2017.

Identity

Facility as filedAT IND LLC/MONONGAHELA PLT
ICIS-AIR IDPA000272297
EPA facility registry ID110001062732
Operating statusOperating
Emissions classificationMinor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address731 E MAIN ST, Monongahela, PA 15063-1403
CountyWashington County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Chemical manufacturing (NAICS 3251)
SIC code3565
EPA region03

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 AT IND LLC/MONONGAHELA PLT 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

EPA’s compliance evaluation file holds no evaluation of ICIS-AIR PA000272297 since January 1, 2017.

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.

EPA’s violation history file holds no violation for ICIS-AIR PA000272297 since January 1, 2017.

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

EPA’s informal action file holds no notice or warning for ICIS-AIR PA000272297 since January 1, 2017.

Stack tests

EPA’s stack test file holds no test at ICIS-AIR PA000272297 since January 1, 2017.

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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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 110001062732 there.

Nearby on the register

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

What this page shows

AT IND LLC/MONONGAHELA PLT is one of 146 minor sources on EPA's ICIS-AIR register in Washington County, and its file shows no compliance evaluations, enforcement actions, or violations since 2017. Across Pennsylvania, 13.7% of the 7,023 minor sources had at least one violation on file since 2017, while 65.8% of the Washington County minor sources had at least one compliance evaluation over the same period. Among Clean Air Act sources in Washington County sharing its industry code (NAICS 3251), this facility is one of 5.