EPA TRI Facility · Computers and Electronic Products
Siltronic Corp
Portland, OR
- Total releases
- 2.1M lbs
- Chemicals reported
- 4
- Latest report
- 2023
- Primary pathway
- Water Discharges
WATER Form-R mix
Siltronic Corp: how the 2.1M lbs splits
2.1M lbs across all reported pathways
- Water Discharges 2.1M lbs 99.5%
- Air Releases 6.5K lbs 0.3%
- Off-site Transfers 4.8K lbs 0.2%
Siltronic Corp's 2.1M lbs Form-R total is WATER - water discharges is 99.5% of the bar. Next segment: air releases at 0.3%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
HEAVY volume WATER pathway CLEAN
Siltronic Corp is an EPA Toxics Release Inventory reporter in Portland, OR, in the computers and electronic products sector. It reported 392.3K lbs of releases across 4 chemicals in 2023, and 2.1M lbs in total across its 2019-2023 reporting years. That ranks 833 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oregon's 285 reporting TRI sites, pounds #1 is not chemical-count #1. Siltronic Corp is pounds #10 and chemical-count #76 at 2.1M lbs. Dyno Nobel- St.helens Plant leads reported pounds (32.0M lbs) at 6 chemicals (chemical-count #39). Chemical Waste Management of the Northwest Inc. leads chemical count at 56 chemicals (15.6M lbs, pounds #2). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Certainteed Corp.; Chevron Willbridge Terminal; Phillips 66 Portland Terminal; High Purity Products. Similar-scale Computers and Electronic Products peers outside Oregon: Samsung Austin Semiconductor; Hubbell Power Systems Inc.; Neptune Technology Group Inc; Cts Electronic Components Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nitric acid; Hydrogen fluoride; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
Siltronic Corp stamps HEAVY volume with a dominant WATER pathway (99.5% water discharges) across 4 chemicals. Cumulative Form-R extract: 2.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Samsung Austin Semiconductor and Hubbell Power Systems Inc..
Siltronic Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.1M lbs Top 3% higher than 97% 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
Siltronic Corp inside Multnomah's TRI pounds
Among the 760 Computers and Electronic Products facilities in this database, Siltronic Corp reports the 4th-largest volume, placing it in the top 0.5% of its sector. This one site accounts for 27.4% of every pound reported in Multnomah. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 99.7% of the total. Scale peers outside Oregon include Samsung Austin Semiconductor and Hubbell Power Systems Inc..
County-dominant here means ≥25% of Multnomah's reported pounds (7.6M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Siltronic Corp's total reported releases fell from 483.1 thousand lb in 2022 to 392.3 thousand lb in 2023, based on EPA TRI filings.
- Siltronic Corp's off-site transfers rose from 4 lb in 2022 to 2.4 thousand lb in 2023, based on EPA TRI filings.
- Siltronic Corp's water releases fell from 481.7 thousand lb in 2022 to 388.6 thousand lb in 2023, based on EPA TRI filings.
- Siltronic Corp's air releases fell from 1.4 thousand lb in 2022 to 1.2 thousand lb in 2023, based on EPA TRI filings.
Siltronic Corp Form-R facts
Compare this facility
See how Siltronic Corp stacks up against nearby facilities and the typical reporter.
3692.4× more than the comparison
56% less 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 Siltronic Corp releases toxic chemicals into the environment. Total: 2.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 69% (232.3K lbs to 392.3K lbs).
Siltronic Corp: annual Form-R pounds
HEAVY site · WATER pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021
- 2022 0
- 2023 0
What this shows Siltronic Corp year-over-year reported totals (increased by 69% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 232.3K lbs | 4 |
| 2020 | 432.6K lbs | 4 |
| 2021 | 540.0K lbs | 4 |
| 2022 | 483.1K lbs | 4 |
| 2023 | 392.3K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 2.1M lbs | - |
| Nitric acid | 4.1K lbs | - |
| Hydrogen fluoride | 1.6K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 827 lbs | - |
Siltronic Corp · WATER-pathway site
Nearest TRI Facilities to Siltronic Corp
Closest other reporters in Oregon - including Certainteed Corp., Chevron Willbridge Terminal, Phillips 66 Portland Terminal, ordered by distance.
Showing 8 of 284 other reporting facilities in Oregon.
Similar Computers and Electronic Products Facilities
Other Computers and Electronic Products facilities with similar total release volumes (±80%), outside Oregon - e.g. Samsung Austin Semiconductor, Hubbell Power Systems Inc., Neptune Technology Group Inc.
Compare beyond Oregon
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Siltronic Corp on cumulative reported pounds (2.1M lbs) and distinct chemical count (4). Release-pound peers include Arch Chemicals Inc, Ames Advanced Materials Corp, Amsted Rail Co Griffin Wheel Kansas City Facility. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis 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.
- Arch Chemicals Inc Rochester, NY · Chemicals 2.1M lbs reported
- Ames Advanced Materials Corp South Plainfield, NJ · Chemicals 2.1M lbs reported
- Amsted Rail Co Griffin Wheel Kansas City Facility Kansas City, KS · Primary Metals 2.1M lbs reported
- Mountain State Carbon LLC Follansbee, WV · Petroleum 2.1M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid, Hydrogen fluoride, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); nearby reporters include Certainteed Corp.. Siltronic Corp stamps HEAVY volume · WATER 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 Siltronic Corp TRI extract (HEAVY · WATER · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Siltronic Corp totals are self-reported EPCRA §313 estimates for Portland, OR, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 334413 · Computers and Electronic Products. 27.4% of Multnomah TRI pounds in this extract. Nearest ABS peer: Arch Chemicals Inc (Δ 327 lbs). Pounds ≠ exposure.
Siltronic Corp stamps HEAVY volume · WATER pathway · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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