EPA TRI Facility · Primary Metals
Supercon Inc
Shrewsbury, MA
- Total releases
- 186.9K lbs
- Chemicals reported
- 4
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Supercon Inc: how the 204.7K lbs splits
204.7K lbs across all reported pathways
- Off-site Transfers 204.4K lbs 99.9%
- Air Releases 272 lbs 0.1%
Supercon Inc's 204.7K lbs Form-R total is OFFSITE - off-site transfers is 99.9% of the bar. Next segment: air releases at 0.1%. Leading chemical by pounds: Copper And Copper Compounds.
MID volume OFFSITE pathway CLEAN
Supercon Inc is an EPA Toxics Release Inventory reporter in Shrewsbury, MA, in the primary metals sector. It reported 17.8K lbs of releases across 4 chemicals in 2024, and 186.9K lbs in total across its 2019-2024 reporting years. That ranks 3,367 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. Supercon Inc is pounds #19 and chemical-count #66 at 186.9K 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Industrial Polymers & Chemical S Inc; Neo Technology Solution; Metso Automation USA Inc; Wyman-Gordon Co. Similar-scale Primary Metals peers outside Massachusetts: Cmc Steel Oklahoma LLC; Forest City Facility LLC; Esco Group; Columbia Steel Casting Co Inc. Largest disclosed chemicals by pounds: Copper And Copper Compounds; Nitric acid; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Chromium.
Compare Supercon Inc with
Nearest reporters in Massachusetts
- Industrial Polymers & Chemical S Inc Shrewsbury · 2.0K lbs
- Neo Technology Solution Westborough · 16 lbs
- Metso Automation USA Inc Shrewsbury · 34 lbs
- Wyman-Gordon Co North Grafton · 28.7K lbs
Similar-scale Primary Metals sites elsewhere: Cmc Steel Oklahoma LLC (OK) · Forest City Facility LLC (MO) · Esco Group (OR)
Supercon Inc stamps MID volume with a dominant OFFSITE pathway (99.9% off-site transfers) across 4 chemicals. Cumulative Form-R extract: 186.9K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cmc Steel Oklahoma LLC and Forest City Facility LLC.
Supercon Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
187K lbs Top 13% higher than 87% 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
Supercon Inc in the Primary Metals sector extract
Among the 1,603 Primary Metals facilities in this database, Supercon Inc reports the 316th-largest volume, placing it in the top 19.7% of its sector. Scale peers outside Massachusetts include Cmc Steel Oklahoma LLC and Forest City Facility LLC.
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
- Supercon Inc's total reported releases fell from 16.0 thousand lb in 2022 to 14.0 thousand lb in 2023, based on EPA TRI filings.
- Supercon Inc's off-site transfers fell from 16.0 thousand lb in 2022 to 14.0 thousand lb in 2023, based on EPA TRI filings.
Supercon Inc Form-R facts
Compare this facility
See how Supercon Inc stacks up against nearby facilities and the typical reporter.
94.3× more than the comparison
4.0× 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 Supercon Inc releases toxic chemicals into the environment. Total: 204.7K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 74% (67.4K lbs to 17.8K lbs).
Supercon Inc: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Supercon Inc year-over-year reported totals (decreased by 74% 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: Copper And Copper Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 67.4K lbs | 4 |
| 2020 | 71.5K lbs | 4 |
| 2021 | 17.9K lbs | 4 |
| 2022 | 16.0K lbs | 4 |
| 2023 | 14.0K lbs | 4 |
| 2024 | 17.8K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper And Copper Compounds | 79.8K lbs | - |
| Nitric acid | 65.1K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 59.8K lbs | - |
| Chromium | 0 lbs | - |
Supercon Inc · OFFSITE-pathway site
Nearest TRI Facilities to Supercon Inc
Closest other reporters in Massachusetts - including Industrial Polymers & Chemical S Inc, Neo Technology Solution, Metso Automation USA Inc, ordered by distance.
Showing 8 of 372 other reporting facilities in Massachusetts.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Massachusetts - e.g. Cmc Steel Oklahoma LLC, Forest City Facility LLC, Esco Group.
Compare beyond Massachusetts
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Supercon Inc on cumulative reported pounds (186.9K lbs) and distinct chemical count (4). Release-pound peers include Lamb Weston Inc. - Paterson Plant, Certainteed LLC, Struktol Co of America LLC. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Cooley 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).
- 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
- Cooley Inc Pawtucket, RI · Textiles 4 chemicals
- Manchester Street Llc. Providence, RI · Electric Utilities 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 Copper And Copper Compounds, Nitric acid, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Chromium; nearby reporters include Industrial Polymers & Chemical S Inc. Supercon Inc stamps MID 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 Supercon Inc TRI extract (MID · OFFSITE · CLEAN · lead Copper And Copper Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Supercon Inc totals are self-reported EPCRA §313 estimates for Shrewsbury, MA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 331491 · Primary Metals. 12.6% of Worcester TRI pounds in this extract. Nearest ABS peer: Lamb Weston Inc. - Paterson Plant (Δ 209 lbs). Pounds ≠ exposure.
Supercon Inc stamps MID volume · OFFSITE pathway · CLEAN · lead Copper And Copper 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