EPA TRI Facility · Computers and Electronic Products
Pioneer Circuits Inc
Santa Ana, CA
- Total releases
- 1.2K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Pioneer Circuits Inc: how the 1.2K lbs splits
1.2K lbs across all reported pathways
- Off-site Transfers 606 lbs 52.6%
- Air Releases 285 lbs 24.7%
- Water Discharges 261 lbs 22.7%
Pioneer Circuits Inc's 1.2K lbs Form-R total is MIXED - off-site transfers is 52.6% of the bar. Next segment: air releases at 24.7%. Leading chemical by pounds: Lead.
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 MIXED pathway CARC-MID
Pioneer Circuits Inc is an EPA Toxics Release Inventory reporter in Santa Ana, CA, in the computers and electronic products sector. It reported 333 lbs of releases across 3 chemicals in 2023, and 1.2K lbs in total across its 2019-2023 reporting years. That ranks 13,651 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. Pioneer Circuits Inc is pounds #655 and chemical-count #463 at 1.2K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Ttm Technologies N.a. LLC; Behr Process Corp - Garry & Yale; Rbc Transport Dynamics Corp; Kaga (u.s.a.) Inc.. Similar-scale Computers and Electronic Products peers outside California: Msi Transducers Corp; Raytheon Co; Mercury Systems (formerly White Electronic Designs & Micro; Ftg Circuits Minnetonka LLC. Largest disclosed chemicals by pounds: Lead; Copper; Nitric acid.
Pioneer Circuits Inc is a LIGHT · MIXED-pathway Form-R site in Santa Ana, CA: 1.2K lbs across 3 chemicals (1 carcinogen-classified, CARC-MID). No single media clears 70% of the bar (lead segment off-site transfers at 52.6%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Msi Transducers Corp and Raytheon Co.
Pioneer Circuits Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.2K lbs 47th percentile higher than 47% 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
Pioneer Circuits Inc in the Computers and Electronic Products sector extract
Among the 760 Computers and Electronic Products facilities in this database, Pioneer Circuits Inc reports the 243rd-largest volume (1.2K lbs). Scale peers outside California include Msi Transducers Corp and Raytheon Co.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Pioneer Circuits Inc's total reported releases rose from 238 lb in 2022 to 333 lb in 2023, based on EPA TRI filings.
- Pioneer Circuits Inc's off-site transfers rose from 227 lb in 2022 to 320 lb in 2023, based on EPA TRI filings.
Pioneer Circuits Inc Form-R facts
Compare this facility
See how Pioneer Circuits Inc stacks up against nearby facilities and the typical reporter.
99% less than the comparison
75% 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 Pioneer Circuits Inc releases toxic chemicals into the environment. Total: 1.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 1566% (20 lbs to 333 lbs).
Pioneer Circuits Inc: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Pioneer Circuits Inc year-over-year reported totals (increased by 1566% 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: Lead.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 20 lbs | 1 |
| 2020 | 258 lbs | 2 |
| 2021 | 303 lbs | 3 |
| 2022 | 238 lbs | 3 |
| 2023 | 333 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 |
|---|---|---|
| Lead | 555 lbs | Carcinogen |
| Copper | 313 lbs | - |
| Nitric acid | 285 lbs | - |
Pioneer Circuits Inc in Orange
Nearest TRI Facilities to Pioneer Circuits Inc
Closest other reporters in California - including Ttm Technologies N.a. LLC, Behr Process Corp - Garry & Yale, Rbc Transport Dynamics Corp, 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. Msi Transducers Corp, Raytheon Co, Mercury Systems (formerly White Electronic Designs & Micro.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Pioneer Circuits Inc on cumulative reported pounds (1.2K lbs) and distinct chemical count (3). Release-pound peers include Webtech Inc, Alco Manufacturing Corp LLC, Pvs Nolwood Chemicals Inc. 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.
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 Lead, Copper, Nitric acid; nearby reporters include Ttm Technologies N.a. LLC. Pioneer Circuits Inc stamps LIGHT volume · MIXED pathway · CARC-MID 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 Pioneer Circuits Inc TRI extract (LIGHT · MIXED · CARC-MID · lead Lead) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Pioneer Circuits Inc totals are self-reported EPCRA §313 estimates for Santa Ana, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 334418 · Computers and Electronic Products. 0.0% of Orange TRI pounds in this extract. Nearest ABS peer: Webtech Inc (Δ 1 lbs). Pounds ≠ exposure.
Pioneer Circuits Inc stamps LIGHT · MIXED pathway (off-site transfers leads at 52.6%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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