Shell Chemical Appalachia LLC
1 facility · 1 state · 2.2M lbs total releases
According to the EPA Toxics Release Inventory, Shell Chemical Appalachia LLC is the reported parent of 1 Form R facility across 1 state, disclosing 2.2M lbs of toxic releases. 5 of 11 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Pennsylvania (2.2M lbs). Those TRI figures remain self-reported disclosure pounds for Shell Chemical Appalachia LLC, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Shell Chemical Appalachia LLC: EPA TRI 2023 reporting year
Same facilities, both years
-53.1%
1 facilities that filed in 2022 and 2023
Whole inventory
-53.1%
1.5 million lb → 692.6 thousand lb, every facility that filed
- Shell Chemical Appalachia LLC's total reported releases fell from 1.5 million lb in 2022 to 692.6 thousand lb in 2023, based on EPA TRI filings.
- Shell Chemical Appalachia LLC's off-site transfers fell from 15.5 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Shell Chemical Appalachia LLC's air releases fell from 1.5 million lb in 2022 to 692.6 thousand lb in 2023, based on EPA TRI filings.
- Shell Chemical Appalachia LLC's chemicals reported rose from 10 in 2022 to 11 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Shell Chemical Appalachia LLC from filing to facility
Shell Chemical Appalachia LLC maps to a single Form R site (Shell Chemical Appalachia LLC) in Pennsylvania. Open that filing for the chemical mix; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Shell Chemical Appalachia LLC. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: Ethylene; Ammonia; 1,3-Butadiene; Propylene; Benzene. Heaviest-reporting states in this extract: Pennsylvania. Industry labels on the parent rollup: Chemicals.
Shell Chemical Appalachia LLC ranks #449 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Shell Chemical Appalachia LLC's TRI Form R footprint is concentrated in a single state (Pennsylvania), so statewide context matters more than a multi-state portfolio read. This parent maps to a single reporting facility (Shell Chemical Appalachia LLC), so the company total and that site's Form R are the same disclosure.
Parent aggregation for Shell Chemical Appalachia LLC follows facility-reported names. Compare the named neighbors (US Steel Corp; Keystone-Conemaugh Projects LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Shell Chemical Appalachia LLC sits among TRI parents
Shell Chemical Appalachia LLC sits on a disclosure ladder beside US Steel Corp and Keystone-Conemaugh Projects LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- US Steel Corp · rank #447 · 40.6M lbs
- Keystone-Conemaugh Projects LLC · rank #448 · 15.0M lbs
Largest chemicals disclosed by Shell Chemical Appalachia LLC
Ethylene; Ammonia; 1,3-Butadiene; Propylene; Benzene lead the Form R pound rollup for this parent, including filings such as Shell Chemical Appalachia LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Ethylene | 2.0M lbs |
| Ammonia | 222.0K lbs |
| 1,3-Butadiene | 86.4K lbs |
| Propylene | 72.7K lbs |
| Benzene | 34.8K lbs |
Facilities (1)
| Facility | Releases |
|---|---|
| Shell Chemical Appalachia LLC Monaca, PA | 2.2M 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 Shell Chemical Appalachia LLC on total disclosed release pounds (2.2M lbs) and reporting facility count (1). Release-volume peers include The Boeing Co, Lsc Communications Mcl LLC, Zekelman Industries Inc. 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.
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Pennsylvania; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Shell Chemical Appalachia LLC's TRI parent record
From Shell Chemical Appalachia LLC, open Shell Chemical Appalachia LLC or compare against US Steel Corp rather than reading rank alone.
- Open the largest Form R site for Shell Chemical Appalachia LLC (Shell Chemical Appalachia LLC in PA). Largest facility
- Compare against Keystone-Conemaugh Projects LLC, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Shell Chemical Appalachia LLC sits among all slug-merged TRI parents. All parent companies
Rank and peers (US Steel Corp, Keystone-Conemaugh Projects LLC) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Shell Chemical Appalachia LLC'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.