EPA TRI Facility · Chemicals

Sumitomo Electric Interconnect Products Inc

San Marcos, CA

Total releases
393.7K lbs
Chemicals reported
1
Latest report
2023
Primary pathway
Air Releases

AIR Form-R mix

Sumitomo Electric Interconnect Products Inc: how the 393.7K lbs splits

393.7K lbs across all reported pathways

  • Air Releases 363.5K lbs 92.3%
  • Off-site Transfers 30.2K lbs 7.7%

Sumitomo Electric Interconnect Products Inc's 393.7K lbs Form-R total is AIR - air releases is 92.3% of the bar. Next segment: off-site transfers at 7.7%. Leading chemical by pounds: Ethylene glycol.

MID volume AIR pathway CLEAN

Sumitomo Electric Interconnect Products Inc is an EPA Toxics Release Inventory reporter in San Marcos, CA, in the chemicals sector. It reported 71.6K lbs of releases across 1 chemical in 2023, and 393.7K lbs in total across its 2019-2023 reporting years. That ranks 2,230 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. Sumitomo Electric Interconnect Products Inc is pounds #63 and chemical-count #790 at 393.7K 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: Hughes Circuits Inc; Piercan USA Inc.; Bachem Americas Inc.; Watkins Manufacturing. Similar-scale Chemicals peers outside California: Linde Inc; Oxy Vinyls LP la Porte Vcm Plant; Odom Industries Inc; Lycus Ltd. Largest disclosed chemicals by pounds: Ethylene glycol.

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Sumitomo Electric Interconnect Products Inc stamps MID volume with a dominant AIR pathway (92.3% air releases) across 1 chemical. Cumulative Form-R extract: 393.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Linde Inc and Oxy Vinyls LP la Porte Vcm Plant.

#2,230 of 25,986 TRI facilities nationwide by total reported releases - among the top 8.6% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Sumitomo Electric Interconnect Products Inc vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

394K lbs Top 9% higher than 91% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Sumitomo Electric Interconnect Products Inc: Ethylene glycol-led volume

Among the 3,917 Chemicals facilities in this database, Sumitomo Electric Interconnect Products Inc reports the 451st-largest volume, placing it in the top 11.5% of its sector. Its reported volume is concentrated rather than spread: Ethylene glycol alone is 100% of the total. Scale peers outside California include Linde Inc and Oxy Vinyls LP la Porte Vcm Plant.

Concentrated means ≥60% of Sumitomo Electric Interconnect Products Inc's pounds in one chemical - here Ethylene glycol at 100%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Sumitomo Electric Interconnect Products Inc's total reported releases fell from 99.9 thousand lb in 2022 to 71.6 thousand lb in 2023, based on EPA TRI filings.
  • Sumitomo Electric Interconnect Products Inc's off-site transfers fell from 24.9 thousand lb in 2022 to 1.4 thousand lb in 2023, based on EPA TRI filings.
  • Sumitomo Electric Interconnect Products Inc's air releases fell from 75.0 thousand lb in 2022 to 70.2 thousand lb in 2023, based on EPA TRI filings.

Sumitomo Electric Interconnect Products Inc Form-R facts

Sector
Chemicals
MID volume
393.7K lbs
AIR pathway
Air Releases
CLEAN chem count
1
Lead chemical
Ethylene glycol

Compare this facility

See how Sumitomo Electric Interconnect Products Inc stacks up against nearby facilities and the typical reporter.

Total reported releases
Sumitomo Electric Interconnect Products Inc
393.7K lbs
Hughes Circuits Inc
43 lbs

9071.0× more than the comparison

Chemicals reported
Sumitomo Electric Interconnect Products Inc
1
Hughes Circuits Inc
2

50% 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 Sumitomo Electric Interconnect Products Inc releases toxic chemicals into the environment. Total: 393.7K lbs.

Air Releases 363.5K lbs (92.3%)
Off-site Transfers 30.2K lbs (7.7%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 15% (84.3K lbs to 71.6K lbs).

Sumitomo Electric Interconnect Products Inc: annual Form-R pounds

MID site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Sumitomo Electric Interconnect Products Inc year-over-year reported totals (decreased by 15% 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: Ethylene glycol.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 84.3K lbs 1
2020 55.3K lbs 1
2021 82.5K lbs 1
2022 99.9K lbs 1
2023 71.6K lbs 1

Chemical Releases

Aggregated across all reporting years (2019–2023). Sorted by total release volume.

Chemical Total Flags
Ethylene glycol 393.7K lbs -

Sumitomo Electric Interconnect Products Inc · AIR-pathway site

San Marcos, CA
33.1442, -117.1825
County TRI context
San Diego · 6.3% of county pounds
EPA Facility ID
92069SMTML915AR

Compare beyond California

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Sumitomo Electric Interconnect Products Inc on cumulative reported pounds (393.7K lbs) and distinct chemical count (1). Release-pound peers include Masterbrand LLC, Wayne-Sanderson Farms LLC - Pendergrass Fresh Plant, Louisiana-Pacific Hayward Siding. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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 Ethylene glycol; nearby reporters include Hughes Circuits Inc. Sumitomo Electric Interconnect Products Inc stamps MID volume · AIR 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 Sumitomo Electric Interconnect Products Inc TRI extract (MID · AIR · CLEAN · lead Ethylene glycol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Sumitomo Electric Interconnect Products Inc totals are self-reported EPCRA §313 estimates for San Marcos, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325991 · Chemicals. 6.3% of San Diego TRI pounds in this extract. Nearest ABS peer: Masterbrand LLC (Δ 6 lbs). Pounds ≠ exposure.

Sumitomo Electric Interconnect Products Inc stamps MID volume · AIR pathway · CLEAN · lead Ethylene glycol. 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