EPA TRI Facility · Chemicals
Polypeptide Laboratories Inc.
Torrance, CA · Parent: Polypeptide Laboratories Inc
- Total releases
- 190.6K lbs
- Chemicals reported
- 5
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Polypeptide Laboratories Inc.: how the 190.6K lbs splits
190.6K lbs across all reported pathways
- Off-site Transfers 147.0K lbs 77.1%
- Air Releases 43.6K lbs 22.9%
Polypeptide Laboratories Inc.'s 190.6K lbs Form-R total is OFFSITE - off-site transfers is 77.1% of the bar. Next segment: air releases at 22.9%. Leading chemical by pounds: Dichloromethane.
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-HEAVY
Polypeptide Laboratories Inc. is an EPA Toxics Release Inventory reporter in Torrance, CA, in the chemicals sector. It reported 22.9K lbs of releases across 5 chemicals in 2023, and 190.6K lbs in total across its 2019-2023 reporting years. That ranks 3,332 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. Polypeptide Laboratories Inc. is pounds #95 and chemical-count #206 at 190.6K 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: Airgas Dry Ice; Messer LLC; Americas Styrenics LLC - Torrance; Prestone Products Corp. Similar-scale Chemicals peers outside California: Metton America Inc; Little Sioux Corn Processors LLC; Van Diest Supply Co; Multi-Chem Group Sonora Tx Facility. Largest disclosed chemicals by pounds: Dichloromethane; N,N-Dimethylformamide; Acetonitrile; Methanol.
Polypeptide Laboratories Inc. stamps MID volume with a dominant OFFSITE pathway (77.1% off-site transfers) across 5 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 190.6K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Metton America Inc and Little Sioux Corn Processors LLC.
Polypeptide Laboratories Inc. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
191K lbs Top 13% higher than 87% 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
Polypeptide Laboratories Inc.: Dichloromethane-led volume
Among the 3,917 Chemicals facilities in this database, Polypeptide Laboratories Inc. reports the 647th-largest volume, placing it in the top 16.5% of its sector. Its reported volume is concentrated rather than spread: Dichloromethane alone is 89.2% of the total. Carcinogen-classified chemicals make up 93.2% of the reported pounds, not just of the chemical count. Scale peers outside California include Metton America Inc and Little Sioux Corn Processors LLC.
Concentrated means ≥60% of Polypeptide Laboratories Inc.'s pounds in one chemical - here Dichloromethane at 89.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Polypeptide Laboratories Inc.'s total reported releases fell from 154.6 thousand lb in 2022 to 22.9 thousand lb in 2023, based on EPA TRI filings.
- Polypeptide Laboratories Inc.'s air releases rose from 10.0 thousand lb in 2022 to 20.5 thousand lb in 2023, based on EPA TRI filings.
- Polypeptide Laboratories Inc.'s off-site transfers fell from 144.5 thousand lb in 2022 to 2.4 thousand lb in 2023, based on EPA TRI filings.
Polypeptide Laboratories Inc. Form-R facts
Compare this facility
See how Polypeptide Laboratories Inc. stacks up against nearby facilities and the typical reporter.
87% more than the comparison
5.0× 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 Polypeptide Laboratories Inc. releases toxic chemicals into the environment. Total: 190.6K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 323% (5.4K lbs to 22.9K lbs).
Polypeptide Laboratories Inc.: 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 Polypeptide Laboratories Inc. year-over-year reported totals (increased by 323% 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: Dichloromethane.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 5.4K lbs | 5 |
| 2020 | 5.0K lbs | 5 |
| 2021 | 2.7K lbs | 5 |
| 2022 | 154.6K lbs | 5 |
| 2023 | 22.9K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Dichloromethane | 169.9K lbs | Carcinogen |
| N,N-Dimethylformamide | 7.6K lbs | Carcinogen |
| Acetonitrile | 7.2K lbs | - |
| Methanol | 4.0K lbs | - |
| Methyl tert-butyl ether | 1.9K lbs | - |
Polypeptide Laboratories Inc. · OFFSITE-pathway site
Nearest TRI Facilities to Polypeptide Laboratories Inc.
Closest other reporters in California - including Airgas Dry Ice, Messer LLC, Americas Styrenics LLC - Torrance, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside California - e.g. Metton America Inc, Little Sioux Corn Processors LLC, Van Diest Supply Co.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Polypeptide Laboratories Inc. on cumulative reported pounds (190.6K lbs) and distinct chemical count (5). Release-pound peers include Amg Vanadium LLC, Gunderson Marine LLC, Rti Advanced Forming Inc.. Chemical-count peers include Abbvie Ltd, Lilly del Caribe Inc Carolin A, Baxter Healthcare of 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 Dichloromethane, N,N-Dimethylformamide, Acetonitrile, Methanol; nearby reporters include Airgas Dry Ice. Polypeptide Laboratories Inc. stamps MID volume · OFFSITE 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 Polypeptide Laboratories Inc. TRI extract (MID · OFFSITE · CARC-HEAVY · lead Dichloromethane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Polypeptide Laboratories Inc. totals are self-reported EPCRA §313 estimates for Torrance, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325412 · Chemicals. 0.4% of Los Angeles TRI pounds in this extract. Nearest ABS peer: Amg Vanadium LLC (Δ 27 lbs). Pounds ≠ exposure.
Polypeptide Laboratories Inc. stamps MID volume · OFFSITE pathway · CARC-HEAVY · lead Dichloromethane. 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