EPA TRI Facility · Chemicals
Polypeptide Laboratories San Diego
San Diego, CA
- Total releases
- 31.8K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Polypeptide Laboratories San Diego: how the 31.8K lbs splits
31.8K lbs across all reported pathways
- Off-site Transfers 29.9K lbs 93.8%
- Air Releases 2.0K lbs 6.2%
Polypeptide Laboratories San Diego's 31.8K lbs Form-R total is OFFSITE - off-site transfers is 93.8% of the bar. Next segment: air releases at 6.2%. Leading chemical by pounds: N,N-Dimethylformamide.
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.
LIGHT volume OFFSITE pathway CARC-HEAVY
Polypeptide Laboratories San Diego is an EPA Toxics Release Inventory reporter in San Diego, CA, in the chemicals sector. It reported 311 lbs of releases across 3 chemicals in 2023, and 31.8K lbs in total across its 2019-2023 reporting years. That ranks 7,174 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 San Diego is pounds #256 and chemical-count #408 at 31.8K 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: Robertson's Ready Mix Carroll Canyon Plant 32; Vulcan Materials Carroll Canyon; US Marine Corps Air Station Miramar; Quidel Inc. Similar-scale Chemicals peers outside California: Poet Biorefining - Ashton; Covestro Llc.; Sika Mbcc US LLC; Paseo Cargill Energy LLC. Largest disclosed chemicals by pounds: N,N-Dimethylformamide; Acetonitrile; Methanol.
Polypeptide Laboratories San Diego stamps LIGHT volume with a dominant OFFSITE pathway (93.8% off-site transfers) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 31.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Poet Biorefining - Ashton and Covestro Llc..
Polypeptide Laboratories San Diego vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
32K lbs Top 28% higher than 72% 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 San Diego: N,N-Dimethylformamide-led volume
Among the 3,917 Chemicals facilities in this database, Polypeptide Laboratories San Diego reports the 1,513th-largest volume (31.8K lbs). Its reported volume is concentrated rather than spread: N,N-Dimethylformamide alone is 92.5% of the total. Carcinogen-classified chemicals make up 92.5% of the reported pounds, not just of the chemical count. Scale peers outside California include Poet Biorefining - Ashton and Covestro Llc..
Concentrated means ≥60% of Polypeptide Laboratories San Diego's pounds in one chemical - here N,N-Dimethylformamide at 92.5%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Polypeptide Laboratories San Diego's total reported releases fell from 30.3 thousand lb in 2022 to 311 lb in 2023, based on EPA TRI filings.
- Polypeptide Laboratories San Diego's off-site transfers fell from 29.9 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Polypeptide Laboratories San Diego's air releases fell from 426 lb in 2022 to 311 lb in 2023, based on EPA TRI filings.
Polypeptide Laboratories San Diego Form-R facts
Compare this facility
See how Polypeptide Laboratories San Diego stacks up against nearby facilities and the typical reporter.
2810.6× more than the comparison
3.0× 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 San Diego releases toxic chemicals into the environment. Total: 31.8K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 7% (333 lbs to 311 lbs).
Polypeptide Laboratories San Diego: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Polypeptide Laboratories San Diego year-over-year reported totals (decreased by 7% 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: N,N-Dimethylformamide.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 333 lbs | 3 |
| 2020 | 407 lbs | 3 |
| 2021 | 486 lbs | 3 |
| 2022 | 30.3K lbs | 3 |
| 2023 | 311 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| N,N-Dimethylformamide | 29.4K lbs | Carcinogen |
| Acetonitrile | 1.2K lbs | - |
| Methanol | 1.2K lbs | - |
Polypeptide Laboratories San Diego · OFFSITE-pathway site
Nearest TRI Facilities to Polypeptide Laboratories San Diego
Closest other reporters in California - including Robertson's Ready Mix Carroll Canyon Plant 32, Vulcan Materials Carroll Canyon, US Marine Corps Air Station Miramar, 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. Poet Biorefining - Ashton, Covestro Llc., Sika Mbcc US LLC.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Polypeptide Laboratories San Diego on cumulative reported pounds (31.8K lbs) and distinct chemical count (3). Release-pound peers include Terex Washington South Campus, Northern Iron & Machine, Coastal Chemical Co. LLC. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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.
- Terex Washington South Campus Redmond, WA · Machinery 31.8K lbs reported
- Northern Iron & Machine Saint Paul, MN · Primary Metals 31.8K lbs reported
- Coastal Chemical Co. LLC Alice, TX · Chemical Wholesalers 31.8K lbs reported
- Standard Aero (san Antonio) Inc. San Antonio, TX · Transportation Equipment 31.8K lbs reported
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 N,N-Dimethylformamide, Acetonitrile, Methanol; nearby reporters include Robertson's Ready Mix Carroll Canyon Plant 32. Polypeptide Laboratories San Diego stamps LIGHT 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 San Diego TRI extract (LIGHT · OFFSITE · CARC-HEAVY · lead N,N-Dimethylformamide) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Polypeptide Laboratories San Diego totals are self-reported EPCRA §313 estimates for San Diego, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325412 · Chemicals. 0.5% of San Diego TRI pounds in this extract. Nearest ABS peer: Terex Washington South Campus (Δ 2 lbs). Pounds ≠ exposure.
Polypeptide Laboratories San Diego stamps LIGHT volume · OFFSITE pathway · CARC-HEAVY · lead N,N-Dimethylformamide. 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