EPA TRI Facility · Computers and Electronic Products
Tsi Semiconductors America, LLC
Roseville, CA · Parent: Tsi Semiconductors LLC
- Total releases
- 10.8K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Tsi Semiconductors America, LLC: how the 10.8K lbs splits
10.8K lbs across all reported pathways
- Off-site Transfers 8.4K lbs 78.1%
- Air Releases 2.4K lbs 21.9%
Tsi Semiconductors America, LLC's 10.8K lbs Form-R total is OFFSITE - off-site transfers is 78.1% of the bar. Next segment: air releases at 21.9%. Leading chemical by pounds: Hydrogen fluoride.
LIGHT volume OFFSITE pathway CLEAN
Tsi Semiconductors America, LLC is an EPA Toxics Release Inventory reporter in Roseville, CA, in the computers and electronic products sector. It reported 475 lbs of releases across 1 chemical in 2023, and 10.8K lbs in total across its 2019-2023 reporting years. That ranks 9,666 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. Tsi Semiconductors America, LLC is pounds #402 and chemical-count #431 at 10.8K 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: Robert Bosch Semiconductor LLC; H.b. Fuller Co; Greenheck Fan Corp - Rocklin California; Vulcan Materials Co Roseville Asphalt Plant. Similar-scale Computers and Electronic Products peers outside California: Canon Virginia Inc; Knowles Capacitors; Electronic Devices Inc.; Sumco Phoenix-Albuquerque. Largest disclosed chemicals by pounds: Hydrogen fluoride; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nitric acid.
Tsi Semiconductors America, LLC stamps LIGHT volume with a dominant OFFSITE pathway (78.1% off-site transfers) across 3 chemicals. Cumulative Form-R extract: 10.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Canon Virginia Inc and Knowles Capacitors.
Tsi Semiconductors America, LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
11K lbs Top 37% higher than 63% 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
Tsi Semiconductors America, LLC: Hydrogen fluoride-led volume
Among the 760 Computers and Electronic Products facilities in this database, Tsi Semiconductors America, LLC reports the 150th-largest volume, placing it in the top 19.7% of its sector. Its reported volume is concentrated rather than spread: Hydrogen fluoride alone is 71.4% of the total. Scale peers outside California include Canon Virginia Inc and Knowles Capacitors.
Concentrated means ≥60% of Tsi Semiconductors America, LLC's pounds in one chemical - here Hydrogen fluoride at 71.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Tsi Semiconductors America, LLC's total reported releases fell from 1.3 thousand lb in 2022 to 475 lb in 2023, based on EPA TRI filings.
- Tsi Semiconductors America, LLC's air releases fell from 767 lb in 2022 to 158 lb in 2023, based on EPA TRI filings.
- Tsi Semiconductors America, LLC's off-site transfers fell from 535 lb in 2022 to 317 lb in 2023, based on EPA TRI filings.
Tsi Semiconductors America, LLC Form-R facts
Compare this facility
See how Tsi Semiconductors America, LLC stacks up against nearby facilities and the typical reporter.
45.4× 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 Tsi Semiconductors America, LLC releases toxic chemicals into the environment. Total: 10.8K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 91% (5.4K lbs to 475 lbs).
Tsi Semiconductors America, LLC: 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 Tsi Semiconductors America, LLC year-over-year reported totals (decreased by 91% 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: Hydrogen fluoride.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 5.4K lbs | 3 |
| 2020 | 2.9K lbs | 1 |
| 2021 | 784 lbs | 1 |
| 2022 | 1.3K lbs | 1 |
| 2023 | 475 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Hydrogen fluoride | 7.7K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 2.9K lbs | - |
| Nitric acid | 181 lbs | - |
Tsi Semiconductors America, LLC · OFFSITE-pathway site
Nearest TRI Facilities to Tsi Semiconductors America, LLC
Closest other reporters in California - including Robert Bosch Semiconductor LLC, H.b. Fuller Co, Greenheck Fan Corp - Rocklin California, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Computers and Electronic Products Facilities
Other Computers and Electronic Products facilities with similar total release volumes (±80%), outside California - e.g. Canon Virginia Inc, Knowles Capacitors, Electronic Devices Inc..
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Tsi Semiconductors America, LLC on cumulative reported pounds (10.8K lbs) and distinct chemical count (3). Release-pound peers include American Greetings Corp, Taiyo America Inc, Corixa Corp D/b/a Glaxosmithkline Vaccines - Hamilton. 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.
- American Greetings Corp Ripley, TN · Printing 10.8K lbs reported
- Taiyo America Inc Carson City, NV · Chemicals 10.8K lbs reported
- Corixa Corp D/b/a Glaxosmithkline Vaccines - Hamilton Hamilton, MT · Chemicals 10.8K lbs reported
- Ahlstrom Power Windsor Locks LLC Windsor Locks, CT · Electric Utilities 10.8K 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 Hydrogen fluoride, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid; nearby reporters include Robert Bosch Semiconductor LLC. Tsi Semiconductors America, LLC stamps LIGHT volume · OFFSITE pathway · CLEAN 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 Tsi Semiconductors America, LLC TRI extract (LIGHT · OFFSITE · CLEAN · lead Hydrogen fluoride) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Tsi Semiconductors America, LLC totals are self-reported EPCRA §313 estimates for Roseville, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 334413 · Computers and Electronic Products. 8.5% of Placer TRI pounds in this extract. Nearest ABS peer: American Greetings Corp (Δ 4 lbs). Pounds ≠ exposure.
Tsi Semiconductors America, LLC stamps LIGHT volume · OFFSITE pathway · CLEAN · lead Hydrogen fluoride. 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