EPA TRI Facility · Transportation Equipment
Hi-Shear Corp
Torrance, CA
- Total releases
- 1.0M lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Hi-Shear Corp: how the 1.0M lbs splits
1.0M lbs across all reported pathways
- Off-site Transfers 1.0M lbs 100.0%
- Air Releases 262 lbs <0.1%
- Water Discharges 41 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Hi-Shear Corp's 1.0M lbs Form-R total is OFFSITE - off-site transfers is 100.0% of the bar. Next segment: air releases at <0.1%. Leading chemical by pounds: Chromium.
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.
HEAVY volume OFFSITE pathway CARC-LEAN
Hi-Shear Corp is an EPA Toxics Release Inventory reporter in Torrance, CA, in the transportation equipment sector. It reported 95.7K lbs of releases across 4 chemicals in 2023, and 1.0M lbs in total across its 2019-2023 reporting years. That ranks 1,260 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. Hi-Shear Corp is pounds #26 and chemical-count #259 at 1.0M 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Howmet Global Fastening Systems Inc; Stellant Systems; Bachem Americas Inc.; Global Communication Semiconductors LLC. Similar-scale Transportation Equipment peers outside California: Tracker Marine LLC; Tracker Marine Clinton; US Doe Idaho National Laboratory Site; Toyota Motor Manufacturing Kentucky. Largest disclosed chemicals by pounds: Chromium; Nickel; Nitric acid; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Hi-Shear Corp stamps HEAVY volume with a dominant OFFSITE pathway (100.0% off-site transfers) across 4 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 1.0M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Tracker Marine LLC and Tracker Marine Clinton.
Hi-Shear Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.0M lbs Top 5% higher than 95% 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
Hi-Shear Corp: Chromium-led volume
Among the 1,603 Transportation Equipment facilities in this database, Hi-Shear Corp reports the 37th-largest volume, placing it in the top 2.3% of its sector. Its reported volume is concentrated rather than spread: Chromium alone is 97.0% of the total. Scale peers outside California include Tracker Marine LLC and Tracker Marine Clinton.
Concentrated means ≥60% of Hi-Shear Corp's pounds in one chemical - here Chromium at 97.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Hi-Shear Corp's total reported releases fell from 276.7 thousand lb in 2022 to 95.7 thousand lb in 2023, based on EPA TRI filings.
- Hi-Shear Corp's off-site transfers fell from 276.7 thousand lb in 2022 to 95.7 thousand lb in 2023, based on EPA TRI filings.
Hi-Shear Corp Form-R facts
Compare this facility
See how Hi-Shear Corp stacks up against nearby facilities and the typical reporter.
108.8× more than the comparison
20% 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 Hi-Shear Corp releases toxic chemicals into the environment. Total: 1.0M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 51% (63.6K lbs to 95.7K lbs).
Hi-Shear Corp: annual Form-R pounds
HEAVY site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Hi-Shear Corp year-over-year reported totals (increased by 51% 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.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 63.6K lbs | 4 |
| 2020 | 275.6K lbs | 4 |
| 2021 | 336.6K lbs | 4 |
| 2022 | 276.7K lbs | 4 |
| 2023 | 95.7K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chromium | 1.0M lbs | - |
| Nickel | 12.2K lbs | Carcinogen |
| Nitric acid | 11.0K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 8.5K lbs | - |
Hi-Shear Corp · OFFSITE-pathway site
Nearest TRI Facilities to Hi-Shear Corp
Closest other reporters in California - including Howmet Global Fastening Systems Inc, Stellant Systems, Bachem Americas Inc., ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside California - e.g. Tracker Marine LLC, Tracker Marine Clinton, US Doe Idaho National Laboratory Site.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Hi-Shear Corp on cumulative reported pounds (1.0M lbs) and distinct chemical count (4). Release-pound peers include Wayne-Sanderson Farms LLC - Dobson Fresh Plant, Continental Dairy Facilities Southwest LLC, Jupiter Sulphur LLC. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis LLC. 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).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
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, Nickel, Nitric acid, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Howmet Global Fastening Systems Inc. Hi-Shear Corp stamps HEAVY 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 Hi-Shear Corp TRI extract (HEAVY · OFFSITE · CARC-LEAN · lead Chromium) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Hi-Shear Corp totals are self-reported EPCRA §313 estimates for Torrance, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 336413 · Transportation Equipment. 2.4% of Los Angeles TRI pounds in this extract. Nearest ABS peer: Wayne-Sanderson Farms LLC - Dobson Fresh Plant (Δ 300 lbs). Pounds ≠ exposure.
Hi-Shear Corp stamps HEAVY volume · OFFSITE pathway · CARC-LEAN · lead Chromium. 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