EPA TRI Facility · Chemicals
Csbio
Menlo Park, CA
- Total releases
- 230.1K lbs
- Chemicals reported
- 3
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Csbio: how the 230.1K lbs splits
230.1K lbs across all reported pathways
- Off-site Transfers 229.7K lbs 99.8%
- Air Releases 352 lbs 0.2%
Csbio's 230.1K lbs Form-R total is OFFSITE - off-site transfers is 99.8% of the bar. Next segment: air releases at 0.2%. 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.
MID volume OFFSITE pathway CARC-HEAVY
Csbio is an EPA Toxics Release Inventory reporter in Menlo Park, CA, in the chemicals sector. It reported 6 lbs of releases across 2 chemicals in 2023, and 230.1K lbs in total across its 2019-2023 reporting years. That ranks 2,992 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. Csbio is pounds #88 and chemical-count #373 at 230.1K 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: Chemelex LLC; Harbor Ready Mix - Redwood City; Granite Rock Co Redwood City; Univar Solutions USA. Similar-scale Chemicals peers outside California: Vanderbilt Chemicals Llc-Murray Div; New Heaven Chemicals Iowa LLC - Smo Manufacturing Plant; Solvay USA Inc; US Doe Pantex Plant. Largest disclosed chemicals by pounds: N,N-Dimethylformamide; Dichloromethane; Acetonitrile.
Csbio stamps MID volume with a dominant OFFSITE pathway (99.8% off-site transfers) across 3 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 230.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Vanderbilt Chemicals Llc-Murray Div and New Heaven Chemicals Iowa LLC - Smo Manufacturing Plant.
Csbio vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
230K lbs Top 12% higher than 88% 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
Csbio inside San Mateo's TRI pounds
Among the 3,917 Chemicals facilities in this database, Csbio reports the 588th-largest volume, placing it in the top 15% of its sector. This one site accounts for 89.2% of every pound reported in San Mateo. Its reported volume is concentrated rather than spread: N,N-Dimethylformamide alone is 83.1% of the total. Carcinogen-classified chemicals make up 96.3% of the reported pounds, not just of the chemical count. Scale peers outside California include Vanderbilt Chemicals Llc-Murray Div and New Heaven Chemicals Iowa LLC - Smo Manufacturing Plant.
County-dominant here means ≥25% of San Mateo's reported pounds (258.0K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Csbio's total reported releases fell from 18 lb in 2022 to 6 lb in 2023, based on EPA TRI filings.
- Csbio's air releases fell from 18 lb in 2022 to 6 lb in 2023, based on EPA TRI filings.
Csbio Form-R facts
Compare this facility
See how Csbio stacks up against nearby facilities and the typical reporter.
95.3× more than the comparison
About the same as 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 Csbio releases toxic chemicals into the environment. Total: 230.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 100% (1.8K lbs to 6 lbs).
Csbio: 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 Csbio year-over-year reported totals (decreased by 100% 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 | 1.8K lbs | 3 |
| 2020 | 154.8K lbs | 3 |
| 2021 | 73.4K lbs | 2 |
| 2022 | 18 lbs | 2 |
| 2023 | 6 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| N,N-Dimethylformamide | 191.1K lbs | Carcinogen |
| Dichloromethane | 30.4K lbs | Carcinogen |
| Acetonitrile | 8.5K lbs | - |
Csbio · OFFSITE-pathway site
Nearest TRI Facilities to Csbio
Closest other reporters in California - including Chemelex LLC, Harbor Ready Mix - Redwood City, Granite Rock Co Redwood City, 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. Vanderbilt Chemicals Llc-Murray Div, New Heaven Chemicals Iowa LLC - Smo Manufacturing Plant, Solvay USA Inc.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Csbio on cumulative reported pounds (230.1K lbs) and distinct chemical count (3). Release-pound peers include Attala Steel LLC, Steel Management Systems LLC, Vanderbilt Chemicals Llc-Murray Div. 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.
- Attala Steel LLC Hillsboro, TX · Fabricated Metals 230.1K lbs reported
- Steel Management Systems LLC Nazareth, PA · Fabricated Metals 230.1K lbs reported
- Vanderbilt Chemicals Llc-Murray Div Murray, KY · Chemicals 230.4K lbs reported
- New Heaven Chemicals Iowa LLC - Smo Manufacturing Plant Manly, IA · Chemicals 229.6K 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, Dichloromethane, Acetonitrile; nearby reporters include Chemelex LLC. Csbio 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 Csbio TRI extract (MID · OFFSITE · CARC-HEAVY · lead N,N-Dimethylformamide) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Csbio totals are self-reported EPCRA §313 estimates for Menlo Park, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325412 · Chemicals. 89.2% of San Mateo TRI pounds in this extract. Nearest ABS peer: Attala Steel LLC (Δ 2 lbs). Pounds ≠ exposure.
Csbio stamps MID 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