EPA TRI Facility · Electrical Equipment
Checon LLC
North Attleboro, MA · Parent: Alloy Holdings LLC
- Total releases
- 38.8K lbs
- Chemicals reported
- 7
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Checon LLC: how the 41.4K lbs splits
41.4K lbs across all reported pathways
- Off-site Transfers 39.5K lbs 95.3%
- Air Releases 1.9K lbs 4.7%
- Land Disposal 0 lbs <0.1%
Checon LLC's 41.4K lbs Form-R total is OFFSITE - off-site transfers is 95.3% of the bar. Next segment: air releases at 4.7%. Leading chemical by pounds: Cadmium compounds.
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 OFFSITE pathway CARC-HEAVY
Checon LLC is an EPA Toxics Release Inventory reporter in North Attleboro, MA, in the electrical equipment sector. It reported 2.6K lbs of releases across 5 chemicals in 2024, and 38.8K lbs in total across its 2019-2024 reporting years. That ranks 6,727 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Massachusetts's 373 reporting TRI sites, pounds #1 is not chemical-count #1. Checon LLC is pounds #73 and chemical-count #28 at 38.8K lbs. Solutia Inc leads reported pounds (2.5M lbs) at 9 chemicals (chemical-count #10). Astro Chemicals Inc leads chemical count at 17 chemicals (5.9K lbs, pounds #154). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Metalor Technologies USA Corp Refining Div; V H Blackinton & Co Inc; Boro Sand & Stone Corp; Engineered Materials Solutions LLC. Similar-scale Electrical Equipment peers outside Massachusetts: Bridgeport Fittings LLC; Corning Optical Communications Llc-Hmtc; Wahl Clipper Corp; Zoltek Corp. Other Alloy Holdings LLC sites in this extract: Checon LLC. Largest disclosed chemicals by pounds: Cadmium compounds; Cadmium And Cadmium Compounds; Copper; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Compare Checon LLC with
Nearest reporters in Massachusetts
- Metalor Technologies USA Corp Refining Div North Attleboro · 44.8K lbs
- V H Blackinton & Co Inc Attleboro Falls · 3.6K lbs
- Boro Sand & Stone Corp North Attleboro · 1 lbs
- Engineered Materials Solutions LLC Attleboro · 6.3K lbs
Similar-scale Electrical Equipment sites elsewhere: Bridgeport Fittings LLC (CT) · Corning Optical Communications Llc-Hmtc (NC) · Wahl Clipper Corp (IL)
Checon LLC stamps LIGHT volume with a dominant OFFSITE pathway (95.3% off-site transfers) across 7 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 38.8K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Bridgeport Fittings LLC and Corning Optical Communications Llc-Hmtc.
Checon LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
39K lbs Top 26% higher than 74% 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
Checon LLC: carcinogen-lbs share on Form-R
Among the 566 Electrical Equipment facilities in this database, Checon LLC reports the 117th-largest volume, placing it in the top 20.7% of its sector. Carcinogen-classified chemicals make up 76.1% of the reported pounds, not just of the chemical count. Scale peers outside Massachusetts include Bridgeport Fittings LLC and Corning Optical Communications Llc-Hmtc.
Carcinogen-heavy means ≥50% of pounds (76.1% here), not of chemical count. EPA/IARC classification ≠ site risk.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Checon LLC's total reported releases rose from 7.7 thousand lb in 2022 to 8.2 thousand lb in 2023, based on EPA TRI filings.
- Checon LLC's air releases rose from 75 lb in 2022 to 996 lb in 2023, based on EPA TRI filings.
- Checon LLC's off-site transfers fell from 7.6 thousand lb in 2022 to 7.2 thousand lb in 2023, based on EPA TRI filings.
Checon LLC Form-R facts
Compare this facility
See how Checon LLC stacks up against nearby facilities and the typical reporter.
13% less than the comparison
22% 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 Checon LLC releases toxic chemicals into the environment. Total: 41.4K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 68% (8.2K lbs to 2.6K lbs).
Checon LLC: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Checon LLC year-over-year reported totals (decreased by 68% from 2019 to 2024). 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: Cadmium compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 8.2K lbs | 5 |
| 2020 | 7.7K lbs | 5 |
| 2021 | 7.1K lbs | 5 |
| 2022 | 7.7K lbs | 5 |
| 2023 | 8.2K lbs | 5 |
| 2024 | 2.6K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Cadmium compounds | 19.6K lbs | Carcinogen |
| Cadmium And Cadmium Compounds | 11.9K lbs | Carcinogen |
| Copper | 8.7K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 787 lbs | - |
| Silver compounds | 234 lbs | - |
| Silver And Silver Compounds | 196 lbs | - |
| Ammonia | 0 lbs | - |
Checon LLC · OFFSITE-pathway site
Nearest TRI Facilities to Checon LLC
Closest other reporters in Massachusetts - including Metalor Technologies USA Corp Refining Div, V H Blackinton & Co Inc, Boro Sand & Stone Corp, ordered by distance.
Showing 8 of 372 other reporting facilities in Massachusetts.
Similar Electrical Equipment Facilities
Other Electrical Equipment facilities with similar total release volumes (±80%), outside Massachusetts - e.g. Bridgeport Fittings LLC, Corning Optical Communications Llc-Hmtc, Wahl Clipper Corp.
Compare beyond Massachusetts
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Checon LLC on cumulative reported pounds (38.8K lbs) and distinct chemical count (7). Release-pound peers include Jim Beam Brands Co. -Booker Noe Plant, Newlett Inc D/b/a Gemstone, Steelfab Inc. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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.
- Jim Beam Brands Co. -Booker Noe Plant Boston, KY · Beverages 38.8K lbs reported
- Newlett Inc D/b/a Gemstone Elkhart, IN · Plastics and Rubber 38.8K lbs reported
- Steelfab Inc Florence, SC · Fabricated Metals 38.8K lbs reported
- Gardner Glass Products Inc Huntsville, TX · Nonmetallic Mineral Product 38.8K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hubbell Caribe Ltd Vega Baja, PR · Electrical Equipment 7 chemicals
- Celanese Microcircuits Industries Ltd. Manati, PR · Primary Metals 7 chemicals
- Virgin Islands Water & Power Authority Saint Thomas, VI · Electric Utilities 7 chemicals
- Providence Metallizing Co in C Pawtucket, RI · Fabricated Metals 7 chemicals
Other Alloy Holdings LLC Facilities
Same-parent TRI sites ranked by reported releases - including Checon LLC.
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 Cadmium compounds, Cadmium And Cadmium Compounds, Copper, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Metalor Technologies USA Corp Refining Div. Checon LLC stamps LIGHT volume · OFFSITE pathway · CARC-HEAVY 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 Checon LLC TRI extract (LIGHT · OFFSITE · CARC-HEAVY · lead Cadmium compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Checon LLC totals are self-reported EPCRA §313 estimates for North Attleboro, MA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 335931 · Electrical Equipment. 1.5% of Bristol TRI pounds in this extract. Nearest ABS peer: Jim Beam Brands Co. -Booker Noe Plant (Δ 7 lbs). Pounds ≠ exposure.
Checon LLC stamps LIGHT volume · OFFSITE pathway · CARC-HEAVY · lead Cadmium compounds. 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