EPA TRI Facility · Primary Metals
Uss-Upi LLC
Pittsburg, CA · Parent: US Steel Corp
- Total releases
- 117.7K lbs
- Chemicals reported
- 10
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Uss-Upi LLC: how the 117.7K lbs splits
117.7K lbs across all reported pathways
- Off-site Transfers 108.6K lbs 92.3%
- Land Disposal 6.8K lbs 5.8%
- Air Releases 1.5K lbs 1.3%
- Water Discharges 718 lbs 0.6%
Uss-Upi LLC's 117.7K lbs Form-R total is OFFSITE - off-site transfers is 92.3% of the bar. Next segment: land disposal at 5.8%. Leading chemical by pounds: 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 CARC-LEAN
Uss-Upi LLC is an EPA Toxics Release Inventory reporter in Pittsburg, CA, in the primary metals sector. It reported 16.3K lbs of releases across 2 chemicals in 2023, and 117.7K lbs in total across its 2019-2023 reporting years. That ranks 4,250 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Uss-Upi LLC is pounds #131 and chemical-count #75 at 117.7K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Corteva Agriscience LLC; Douglas Products & Packaging Co; K2 Pure Solutions Nocal LP; Hasa Inc. Similar-scale Primary Metals peers outside California: Sipi Metals Corp.; Dc Alabama Inc; Alleima USA LLC; Essex Solutions Magnet Wire USA LLC. Other US Steel Corp sites in this extract: Uss Gary Works; Uss Mon Valley Works - Edgar Thomson Plant; Uss-Clairton Plant; U.S. Steel Granite City Works. Largest disclosed chemicals by pounds: Chromium compounds (except for chromite ore mined in the Transvaal Region); Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Nickel And Nickel Compounds; Zinc compounds.
Compare Uss-Upi LLC with
Nearest reporters in California
- Corteva Agriscience LLC Pittsburg · 375.7K lbs
- Douglas Products & Packaging Co Pittsburg · 7.5K lbs
- K2 Pure Solutions Nocal LP Pittsburg · 798 lbs
- Hasa Inc Pittsburg · 25 lbs
Similar-scale Primary Metals sites elsewhere: Sipi Metals Corp. (IL) · Dc Alabama Inc (AL) · Alleima USA LLC (PA)
Uss-Upi LLC stamps MID volume with a dominant OFFSITE pathway (92.3% off-site transfers) across 10 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 117.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Sipi Metals Corp. and Dc Alabama Inc.
Uss-Upi LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
118K lbs Top 16% higher than 84% 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
Uss-Upi LLC: Chromium compounds (except for chromite ore mined in the Transvaal Region)-led volume
Among the 1,603 Primary Metals facilities in this database, Uss-Upi LLC reports the 384th-largest volume, placing it in the top 24% of its sector. Its reported volume is concentrated rather than spread: Chromium compounds (except for chromite ore mined in the Transvaal Region) alone is 66.3% of the total. Scale peers outside California include Sipi Metals Corp. and Dc Alabama Inc.
Concentrated means ≥60% of Uss-Upi LLC's pounds in one chemical - here Chromium compounds (except for chromite ore mined in the Transvaal Region) at 66.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Uss-Upi LLC's total reported releases rose from 15.3 thousand lb in 2022 to 16.3 thousand lb in 2023, based on EPA TRI filings.
- Uss-Upi LLC's land releases rose from 344 lb in 2022 to 2.2 thousand lb in 2023, based on EPA TRI filings.
- Uss-Upi LLC's water releases fell from 22 lb in 2022 to 8 lb in 2023, based on EPA TRI filings.
- Uss-Upi LLC's off-site transfers fell from 14.9 thousand lb in 2022 to 14.1 thousand lb in 2023, based on EPA TRI filings.
Uss-Upi LLC Form-R facts
Compare this facility
See how Uss-Upi LLC stacks up against nearby facilities and the typical reporter.
69% less than the comparison
52% less 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 Uss-Upi LLC releases toxic chemicals into the environment. Total: 117.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 55% (36.4K lbs to 16.3K lbs).
Uss-Upi LLC: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Uss-Upi LLC year-over-year reported totals (decreased by 55% from 2019 to 2023). 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 compounds (except for chromite ore mined in the Transvaal Region).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 36.4K lbs | 7 |
| 2020 | 31.0K lbs | 4 |
| 2021 | 18.7K lbs | 4 |
| 2022 | 15.3K lbs | 2 |
| 2023 | 16.3K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 78.0K lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 20.5K lbs | - |
| Nickel And Nickel Compounds | 13.4K lbs | Carcinogen |
| Zinc compounds | 3.8K lbs | - |
| Polychlorinated biphenyls | 1.1K lbs | Carcinogen |
| Lead And Lead Compounds | 522 lbs | - |
| Nonylphenol Ethoxylates | 169 lbs | - |
| Sodium nitrite | 132 lbs | - |
| Antimony And Antimony Compounds | 18 lbs | - |
| Ammonia | 0 lbs | - |
Uss-Upi LLC · OFFSITE-pathway site
Nearest TRI Facilities to Uss-Upi LLC
Closest other reporters in California - including Corteva Agriscience LLC, Douglas Products & Packaging Co, K2 Pure Solutions Nocal LP, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside California - e.g. Sipi Metals Corp., Dc Alabama Inc, Alleima USA LLC.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Uss-Upi LLC on cumulative reported pounds (117.7K lbs) and distinct chemical count (10). Release-pound peers include McLaughlin Gormley King, Fiber Glass Systems L.P., Martech. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other US Steel Corp Facilities
Same-parent TRI sites ranked by reported releases - including Uss Gary Works, Uss Mon Valley Works - Edgar Thomson Plant, Uss-Clairton Plant.
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 compounds (except for chromite ore mined in the Transvaal Region), Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Nickel And Nickel Compounds, Zinc compounds; nearby reporters include Corteva Agriscience LLC. Uss-Upi LLC stamps MID volume · OFFSITE pathway · CARC-LEAN 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 Uss-Upi LLC TRI extract (MID · OFFSITE · CARC-LEAN · lead 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.
Uss-Upi LLC totals are self-reported EPCRA §313 estimates for Pittsburg, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331221 · Primary Metals. 0.7% of Contra Costa TRI pounds in this extract. Nearest ABS peer: McLaughlin Gormley King (Δ 3 lbs). Pounds ≠ exposure.
Uss-Upi LLC stamps MID volume · OFFSITE pathway · CARC-LEAN · lead 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