EPA TRI Facility · Chemicals
Ionis Pharmaceuticals Inc.
Carlsbad, CA
- Total releases
- 26 lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Ionis Pharmaceuticals Inc.: how the 26 lbs splits
26 lbs across all reported pathways
- Air Releases 26 lbs 100.0%
Ionis Pharmaceuticals Inc.'s 26 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: Acetonitrile.
TRACE volume AIR pathway CARC-LEAN
Ionis Pharmaceuticals Inc. is an EPA Toxics Release Inventory reporter in Carlsbad, CA, in the chemicals sector. It reported 3 lbs of releases across 3 chemicals in 2023, and 26 lbs in total across its 2019-2023 reporting years. That ranks 17,777 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. Ionis Pharmaceuticals Inc. is pounds #915 and chemical-count #354 at 26 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: Versum Materials US LLC; Watkins Manufacturing; Bachem Americas Inc.; Hughes Circuits Inc. Similar-scale Chemicals peers outside California: Nufarm Americas Inc. - Alsip; Flow Polymers LLC; Elanco Fort Dodge; Abf Labs Inc.. Largest disclosed chemicals by pounds: Acetonitrile; Methanol; Toluene; Pyridine.
Ionis Pharmaceuticals Inc. stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 4 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 26 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nufarm Americas Inc. - Alsip and Flow Polymers LLC.
Ionis Pharmaceuticals Inc. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
26 lbs 32nd percentile higher than 32% 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
Ionis Pharmaceuticals Inc. in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Ionis Pharmaceuticals Inc. reports the 3,257th-largest volume (26 lbs). Scale peers outside California include Nufarm Americas Inc. - Alsip and Flow Polymers LLC.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Ionis Pharmaceuticals Inc. Form-R facts
Compare this facility
See how Ionis Pharmaceuticals Inc. stacks up against nearby facilities and the typical reporter.
63% less than the comparison
4.0× 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 Ionis Pharmaceuticals Inc. releases toxic chemicals into the environment. Total: 26 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 62% (8 lbs to 3 lbs).
Ionis Pharmaceuticals Inc.: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Ionis Pharmaceuticals Inc. year-over-year reported totals (decreased by 62% 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: Acetonitrile.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 8 lbs | 4 |
| 2020 | 4 lbs | 4 |
| 2021 | 6 lbs | 4 |
| 2022 | 5 lbs | 3 |
| 2023 | 3 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Acetonitrile | 12 lbs | - |
| Methanol | 8 lbs | - |
| Toluene | 4 lbs | - |
| Pyridine | 1 lbs | Carcinogen |
Ionis Pharmaceuticals Inc. · AIR-pathway site
Nearest TRI Facilities to Ionis Pharmaceuticals Inc.
Closest other reporters in California - including Versum Materials US LLC, Watkins Manufacturing, Bachem Americas Inc., 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. Nufarm Americas Inc. - Alsip, Flow Polymers LLC, Elanco Fort Dodge.
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 Acetonitrile, Methanol, Toluene, Pyridine; nearby reporters include Versum Materials US LLC. Ionis Pharmaceuticals Inc. stamps TRACE volume · AIR 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 Ionis Pharmaceuticals Inc. TRI extract (TRACE · AIR · CARC-LEAN · lead Acetonitrile) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Ionis Pharmaceuticals Inc. totals are self-reported EPCRA §313 estimates for Carlsbad, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325411 · Chemicals. 0.0% of San Diego TRI pounds in this extract. Nearest ABS peer: Gleason Works (Δ 0 lbs). Pounds ≠ exposure.
Ionis Pharmaceuticals Inc. stamps TRACE volume · AIR pathway · CARC-LEAN · lead Acetonitrile. 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