EPA TRI Facility · Primary Metals
Arconic US LLC
Lancaster, PA · Parent: Arconic Corp
- Total releases
- 149.4K lbs
- Chemicals reported
- 13
- Carcinogens
- 4
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Arconic US LLC: how the 156.5K lbs splits
156.5K lbs across all reported pathways
- Off-site Transfers 117.2K lbs 74.9%
- Air Releases 39.2K lbs 25.0%
- Water Discharges 106 lbs 0.1%
- Land Disposal 0 lbs <0.1%
Arconic US LLC's 156.5K lbs Form-R total is OFFSITE - off-site transfers is 74.9% of the bar. Next segment: air releases at 25.0%. Leading chemical by pounds: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
MID volume OFFSITE pathway TRACE-CARC
Arconic US LLC is an EPA Toxics Release Inventory reporter in Lancaster, PA, in the primary metals sector. It reported 7.1K lbs of releases across 8 chemicals in 2024, and 149.4K lbs in total across its 2019-2024 reporting years. That ranks 3,755 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Pennsylvania's 1,010 reporting TRI sites, pounds #1 is not chemical-count #1. Arconic US LLC is pounds #152 and chemical-count #50 at 149.4K lbs. Max Environmental -- Yukon Facility leads reported pounds (34.8M lbs) at 18 chemicals (chemical-count #24). Keystone Cement Co leads chemical count at 53 chemicals (155.4K lbs, pounds #149). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Lumsden Corp Loop Rd; Lsc Communications / Lancaster West; Lumsden Corp Abraso St; Lancaster Metal Manufacturing. Similar-scale Primary Metals peers outside Pennsylvania: Ametek Specialty Metal Products Div; Thistle Processing LLC; Techni-Cast Corp; US Zinc- Dust. Other Arconic Corp sites in this extract: Arconic US LLC; Kawneer Co. Inc.; Arconic US LLC; Kawneer Co Inc. Largest disclosed chemicals by pounds: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Chlorine; Manganese; 1,2,4-Trimethylbenzene.
Arconic US LLC stamps MID volume with a dominant OFFSITE pathway (74.9% off-site transfers) across 13 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 149.4K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ametek Specialty Metal Products Div and Thistle Processing LLC.
Arconic US LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
149K lbs Top 14% higher than 86% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Arconic US LLC: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)-led volume
Among the 1,603 Primary Metals facilities in this database, Arconic US LLC reports the 346th-largest volume, placing it in the top 21.6% of its sector. Its reported volume is concentrated rather than spread: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) alone is 73.4% of the total. Scale peers outside Pennsylvania include Ametek Specialty Metal Products Div and Thistle Processing LLC.
Concentrated means ≥60% of Arconic US LLC's pounds in one chemical - here Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) at 73.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Arconic US LLC's total reported releases rose from 7.2 thousand lb in 2022 to 122.0 thousand lb in 2023, based on EPA TRI filings.
- Arconic US LLC's off-site transfers rose from 412 lb in 2022 to 115.2 thousand lb in 2023, based on EPA TRI filings.
- Arconic US LLC's air releases fell from 6.8 thousand lb in 2022 to 6.7 thousand lb in 2023, based on EPA TRI filings.
Arconic US LLC Form-R facts
Compare this facility
See how Arconic US LLC stacks up against nearby facilities and the typical reporter.
3557.2× more than the comparison
6.5× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Arconic US LLC releases toxic chemicals into the environment. Total: 156.5K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 6% (7.5K lbs to 7.1K lbs).
Arconic US LLC: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Arconic US LLC year-over-year reported totals (decreased by 6% from 2019 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 7.5K lbs | 10 |
| 2020 | 6.3K lbs | 9 |
| 2021 | 6.5K lbs | 10 |
| 2022 | 7.2K lbs | 10 |
| 2023 | 122.0K lbs | 10 |
| 2024 | 7.1K lbs | 8 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 4 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 114.8K lbs | - |
| Chlorine | 34.4K lbs | - |
| Manganese | 2.8K lbs | - |
| 1,2,4-Trimethylbenzene | 1.1K lbs | - |
| Xylene (mixed isomers) | 989 lbs | - |
| Copper | 869 lbs | - |
| Naphthalene | 375 lbs | Carcinogen |
| Chromium | 348 lbs | - |
| n-Butyl alcohol | 189 lbs | - |
| Lead | 182 lbs | Carcinogen |
| Ethylbenzene | 180 lbs | Carcinogen |
| Methyl isobutyl ketone | 103 lbs | Carcinogen |
| Toluene | 95 lbs | - |
Arconic US LLC · OFFSITE-pathway site
Nearest TRI Facilities to Arconic US LLC
Closest other reporters in Pennsylvania - including Lumsden Corp Loop Rd, Lsc Communications / Lancaster West, Lumsden Corp Abraso St, ordered by distance.
Showing 8 of 1,009 other reporting facilities in Pennsylvania.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Pennsylvania - e.g. Ametek Specialty Metal Products Div, Thistle Processing LLC, Techni-Cast Corp.
Compare beyond Pennsylvania
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Arconic US LLC on cumulative reported pounds (149.4K lbs) and distinct chemical count (13). Release-pound peers include Teijin Automotive Technologies North Carolina Composites Ll, Curries Div of Aadg Inc., Upm Raflatac Inc.. Chemical-count peers include Puerto Rico Energy LLC - Guaynabo 2 Terminal, Global Companies LLC, Shell Providence Terminal. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Teijin Automotive Technologies North Carolina Composites Ll Lenoir, NC · Plastics and Rubber 149.8K lbs reported
- Curries Div of Aadg Inc. Mason City, IA · Fabricated Metals 148.9K lbs reported
- Upm Raflatac Inc. Dixon, IL · Paper 149.9K lbs reported
- Schaeffler Transmission LLC Wooster, OH · Transportation Equipment 148.9K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Guaynabo 2 Terminal Guaynabo, PR · Petroleum Bulk Terminals 13 chemicals
- Global Companies LLC Revere, MA · Petroleum Bulk Terminals 13 chemicals
- Shell Providence Terminal Providence, RI · Petroleum Bulk Terminals 13 chemicals
- Sig Sauer Inc Newington, NH · Fabricated Metals 13 chemicals
Other Arconic Corp Facilities
Same-parent TRI sites ranked by reported releases - including Arconic US LLC, Kawneer Co. Inc., Arconic US LLC.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Chlorine, Manganese, 1,2,4-Trimethylbenzene; nearby reporters include Lumsden Corp Loop Rd. Arconic US LLC stamps MID volume · OFFSITE pathway · TRACE-CARC carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Arconic US LLC TRI extract (MID · OFFSITE · TRACE-CARC · lead Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Arconic US LLC totals are self-reported EPCRA §313 estimates for Lancaster, PA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 331315 · Primary Metals. 2.2% of Lancaster TRI pounds in this extract. Nearest ABS peer: Dynamet Inc (Δ 75 lbs). Pounds ≠ exposure.
Arconic US LLC stamps MID volume · OFFSITE pathway · TRACE-CARC · lead Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov