Matheson Tri-Gas Inc
7 facilities · 6 states · 857.8K lbs total releases
According to the EPA Toxics Release Inventory, Matheson Tri-Gas Inc is the reported parent of 7 Form R facilities across 6 states, disclosing 857.8K lbs of toxic releases. 2 of 13 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Tennessee (814.3K lbs). Those TRI figures remain self-reported disclosure pounds for Matheson Tri-Gas Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Matheson Tri-Gas Inc: EPA TRI 2023 reporting year
Same facilities, both years
-6.0%
6 facilities that filed in 2022 and 2023
Whole inventory
-6.0%
144.7 thousand lb → 135.9 thousand lb, every facility that filed
- Matheson Tri-Gas Inc's total reported releases fell from 144.7 thousand lb in 2022 to 135.9 thousand lb in 2023, based on EPA TRI filings.
- Matheson Tri-Gas Inc's off-site transfers fell from 134.9 thousand lb in 2022 to 125.8 thousand lb in 2023, based on EPA TRI filings.
- Matheson Tri-Gas Inc's air releases rose from 9.8 thousand lb in 2022 to 10.2 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Matheson Tri-Gas Inc from filing to facility
Largest Form R sites under this parent: Matheson Tri-Gas-New Johnsonville Tn Branch; Western International Gas & Cylinders Inc.; Western International Gas & Cylinders Inc.; Matheson Tri-Gas Inc-Palm. Neighbor parents on the disclosure ladder: Nyrstar US Inc; The Chemours Co. Largest disclosed chemicals by pounds: Zinc compounds; Arsenic compounds; N,N-Dimethylformamide; Propylene; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Tennessee; Texas; Pennsylvania. Industry labels on the parent rollup: Chemicals; Chemical Wholesalers. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Largest Form R sites under this parent: Matheson Tri-Gas-New Johnsonville Tn Branch; Western International Gas & Cylinders Inc.; Western International Gas & Cylinders Inc.; Matheson Tri-Gas Inc-Palm. Neighbor parents on the disclosure ladder: Nyrstar US Inc; The Chemours Co. Largest disclosed chemicals by pounds: Zinc compounds; Arsenic compounds; N,N-Dimethylformamide; Propylene; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Tennessee; Texas; Pennsylvania. Industry labels on the parent rollup: Chemicals; Chemical Wholesalers.
Matheson Tri-Gas Inc ranks #693 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Matheson Tri-Gas Inc spans 6 states in this extract, placing it among the broader national TRI parent footprints. Releases are facility-concentrated: Matheson Tri-Gas-New Johnsonville Tn Branch accounts for most of Matheson Tri-Gas Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Matheson Tri-Gas Inc follows facility-reported names. Compare the named neighbors (Nyrstar US Inc; The Chemours Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Matheson Tri-Gas Inc sits among TRI parents
Matheson Tri-Gas Inc sits on a disclosure ladder beside Nyrstar US Inc and The Chemours Co. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Nyrstar US Inc · rank #691 · 114.9M lbs
- The Chemours Co · rank #692 · 40.5M lbs
Largest chemicals disclosed by Matheson Tri-Gas Inc
Zinc compounds; Arsenic compounds; N,N-Dimethylformamide; Propylene; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) lead the Form R pound rollup for this parent, including filings such as Matheson Tri-Gas-New Johnsonville Tn Branch. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Zinc compounds | 785.0K lbs |
| Arsenic compounds | 29.3K lbs |
| N,N-Dimethylformamide | 26.1K lbs |
| Propylene | 15.5K lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2.6K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Tennessee | 1 | 814.3K lbs |
| Texas | 1 | 35.9K lbs |
| Pennsylvania | 2 | 7.1K lbs |
| Arkansas | 1 | 493 lbs |
| Colorado | 1 | 8 lbs |
| Alabama | 1 | 7 lbs |
Facilities (7)
| Facility | Releases |
|---|---|
| Matheson Tri-Gas-New Johnsonville Tn Branch Waverly, TN | 814.3K lbs |
| Western International Gas & Cylinders Inc. Bellville, TX | 35.9K lbs |
| Western International Gas & Cylinders Inc. Berwick, PA | 5.8K lbs |
| Matheson Tri-Gas Inc-Palm Palm, PA | 1.3K lbs |
| Continental Carbonic Products Inc. El Dorado, AR | 493 lbs |
| Matheson Trigas Longmont Co Branch Longmont, CO | 8 lbs |
| Western International Gas & Cylinders Inc. Birmingham, AL | 7 lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Matheson Tri-Gas Inc on total disclosed release pounds (857.8K lbs) and reporting facility count (7). Release-volume peers include Ampco-Pittsburgh Corp, Hutchinson N.a., Americas Styrenics LLC. Facility-count peers include A O Smith Corp, Ahf Products LLC, Aisin Holdings of America. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Tennessee, Texas, Pennsylvania; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Matheson Tri-Gas Inc's TRI parent record
From Matheson Tri-Gas Inc, open Matheson Tri-Gas-New Johnsonville Tn Branch or compare against Nyrstar US Inc rather than reading rank alone.
- Open the largest Form R site for Matheson Tri-Gas Inc (Matheson Tri-Gas-New Johnsonville Tn Branch in TN). Largest facility
- Compare against The Chemours Co, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Matheson Tri-Gas Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Nyrstar US Inc, The Chemours Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Matheson Tri-Gas Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.