EPA TRI Facility · Plastics and Rubber
Prc Composites LLC
Ontario, CA
- Total releases
- 2.5K lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Prc Composites LLC: how the 2.5K lbs splits
2.5K lbs across all reported pathways
- Air Releases 2.5K lbs 100.0%
Prc Composites LLC's 2.5K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Styrene.
LIGHT volume AIR pathway CARC-HEAVY
Prc Composites LLC is an EPA Toxics Release Inventory reporter in Ontario, CA, in the plastics and rubber sector. It reported 500 lbs of releases across 1 chemical in 2023, and 2.5K lbs in total across its 2019-2023 reporting years. That ranks 12,430 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. Prc Composites LLC is pounds #583 and chemical-count #907 at 2.5K 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). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Hudson Technologies Co; Alltech Inc; Holliday Rock - Ontario; Net Shapes Inc. Similar-scale Plastics and Rubber peers outside California: Abt Inc; Apache Mills Plant 1; Hunter Panels a Div of Carlisle Construction Materials; Special-Lite Inc. -. Largest disclosed chemicals by pounds: Styrene.
Compare Prc Composites LLC with
Nearest reporters in California
- Hudson Technologies Co Ontario · 17.1K lbs
- Alltech Inc Ontario · 13.1K lbs
- Holliday Rock - Ontario Ontario · 0 lbs
- Net Shapes Inc Ontario · 7 lbs
Similar-scale Plastics and Rubber sites elsewhere: Abt Inc (NC) · Apache Mills Plant 1 (GA) · Hunter Panels a Div of Carlisle Construction Materials (UT)
Prc Composites LLC stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 2.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Abt Inc and Apache Mills Plant 1.
Prc Composites LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.5K lbs Top 48% higher than 52% 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
Prc Composites LLC: Styrene-led volume
Among the 1,504 Plastics and Rubber facilities in this database, Prc Composites LLC reports the 967th-largest volume (2.5K lbs). Its reported volume is concentrated rather than spread: Styrene alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside California include Abt Inc and Apache Mills Plant 1.
Concentrated means ≥60% of Prc Composites LLC's pounds in one chemical - here Styrene at 100%. Not a toxicity score.
Prc Composites LLC Form-R facts
Compare this facility
See how Prc Composites LLC stacks up against nearby facilities and the typical reporter.
85% less than the comparison
89% 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 Prc Composites LLC releases toxic chemicals into the environment. Total: 2.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases held roughly flat (500 lbs to 500 lbs).
Prc Composites LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Prc Composites LLC year-over-year reported totals (held roughly flat 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: Styrene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 500 lbs | 1 |
| 2020 | 500 lbs | 1 |
| 2021 | 500 lbs | 1 |
| 2022 | 500 lbs | 1 |
| 2023 | 500 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 2.5K lbs | Carcinogen |
Prc Composites LLC · AIR-pathway site
Nearest TRI Facilities to Prc Composites LLC
Closest other reporters in California - including Hudson Technologies Co, Alltech Inc, Holliday Rock - Ontario, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Plastics and Rubber Facilities
Other Plastics and Rubber facilities with similar total release volumes (±80%), outside California - e.g. Abt Inc, Apache Mills Plant 1, Hunter Panels a Div of Carlisle Construction Materials.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Prc Composites LLC on cumulative reported pounds (2.5K lbs) and distinct chemical count (1). Release-pound peers include Varflex Corp, Welch Foods Inc., Keystone Rustproofing Inc.. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico 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).
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 Styrene; nearby reporters include Hudson Technologies Co. Prc Composites LLC stamps LIGHT volume · AIR pathway · CARC-HEAVY 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 Prc Composites LLC TRI extract (LIGHT · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Prc Composites LLC totals are self-reported EPCRA §313 estimates for Ontario, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 326130 · Plastics and Rubber. 0.0% of San Bernardino TRI pounds in this extract. Nearest ABS peer: Abt Inc (Δ 0 lbs). Pounds ≠ exposure.
Prc Composites LLC stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Styrene. 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