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Clean Air Act stationary source · ICIS-AIR PA000758579

MATHESON TRI GAS/UPPER HANOVER, Palm, PA: Clean Air Act compliance record, inspections, violations, penalties

MATHESON TRI GAS/UPPER HANOVER, at 1401 STAUFFER RD, Palm in Montgomery County, Pennsylvania, 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”. Montgomery 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 filedMATHESON TRI GAS/UPPER HANOVER
ICIS-AIR IDPA000758579
EPA facility registry ID110043569466
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address1401 STAUFFER RD, Palm, PA 18070-1000
CountyMontgomery County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Chemical manufacturing (NAICS 3251)
SIC code2813
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 MATHESON TRI GAS/UPPER HANOVER 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
May 18, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 23, 2025FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 20, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 3, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 15, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 18, 2024FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 18, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 13, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 16, 2021PCE On-Site Monitoring/SamplingStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 24, 2021PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 20, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 28, 2019FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 16, 2019PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 16, 2019PCE On-Site Monitoring/SamplingStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 17, 2018PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 6, 2017PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 24, 2017PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 1, 2017PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 5, 2017PCE Off-SiteStateState 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.

EPA’s violation history file holds no violation for ICIS-AIR PA000758579 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 PA000758579 since January 1, 2017.

Stack tests

DateWhat EPA recordedAgency
January 10, 2024PassState
January 16, 2019PassState

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 110043569466 there.

Nearby on the register

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

What this page shows

This page covers the Clean Air Act compliance record for MATHESON TRI GAS/UPPER HANOVER in Palm, PA, listing inspections, violations and penalties. It lists 19 compliance evaluations, 0 high-priority violations and 0 formal enforcement actions since January 1, 2017. The facility is an operating synthetic minor source with a current violation status of No Violation Identified.