EPA TRI Facility · Primary Metals
Minteq/specialty Minerals
North Canaan, CT · Parent: Minerals Technologies Inc
- Total releases
- 361 lbs
- Chemicals reported
- 8
- Carcinogens
- 1
- Primary pathway
- Air Releases
MIXED Form-R mix
Minteq/specialty Minerals: how the 366 lbs splits
366 lbs across all reported pathways
- Air Releases 193 lbs 52.7%
- Land Disposal 104 lbs 28.4%
- Off-site Transfers 69 lbs 18.9%
Minteq/specialty Minerals's 366 lbs Form-R total is MIXED - air releases is 52.7% of the bar. Next segment: land disposal at 28.4%. Leading chemical by pounds: Lead compounds.
TRACE volume MIXED pathway TRACE-CARC
Minteq/specialty Minerals is an EPA Toxics Release Inventory reporter in North Canaan, CT, in the primary metals sector. It reported 6 lbs of releases across 2 chemicals in 2024, and 361 lbs in total across its 2019-2024 reporting years. That ranks 15,175 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Connecticut's 240 reporting TRI sites, pounds #1 is not chemical-count #1. Minteq/specialty Minerals is pounds #156 and chemical-count #19 at 361 lbs. Clean Harbors of Connecticut Inc leads reported pounds (1.5M lbs) at 15 chemicals (chemical-count #2). Allnex USA Inc. Wallingford Ct Site leads chemical count at 19 chemicals (436.7K lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Apg New England; Howmet Castings & Services Inc.; Electric Motion Co Inc.; Rbc Aircraft Products Inc. Similar-scale Primary Metals peers outside Connecticut: Taber Extrusions LLC; Semco Inc; Spartan Light Metal Products Inc; Able Die Casting Corp. Other Minerals Technologies Inc sites in this extract: Cetco; Specialty Minerals Inc; Minteq International Inc Zedmark Div; Minteq International Inc. Largest disclosed chemicals by pounds: Lead compounds; Manganese; Lead And Lead Compounds; Chromium.
Minteq/specialty Minerals is a TRACE · MIXED-pathway Form-R site in North Canaan, CT: 361 lbs across 8 chemicals (1 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment air releases at 52.7%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Taber Extrusions LLC and Semco Inc.
Minteq/specialty Minerals vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
361 lbs 42nd percentile higher than 42% 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
Minteq/specialty Minerals in the Primary Metals sector extract
Among the 1,603 Primary Metals facilities in this database, Minteq/specialty Minerals reports the 1,117th-largest volume (361 lbs). Scale peers outside Connecticut include Taber Extrusions LLC and Semco Inc.
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
- Minteq/specialty Minerals's total reported releases fell from 56 lb in 2022 to 34 lb in 2023, based on EPA TRI filings.
- Minteq/specialty Minerals's air releases fell from 56 lb in 2022 to 34 lb in 2023, based on EPA TRI filings.
Minteq/specialty Minerals Form-R facts
Compare this facility
See how Minteq/specialty Minerals stacks up against nearby facilities and the typical reporter.
367.0× more than the comparison
2.7× 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 Minteq/specialty Minerals releases toxic chemicals into the environment. Total: 366 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 96% (165 lbs to 6 lbs).
Minteq/specialty Minerals: annual Form-R pounds
TRACE site · MIXED pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Minteq/specialty Minerals year-over-year reported totals (decreased by 96% 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: Lead compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 165 lbs | 2 |
| 2020 | 67 lbs | 7 |
| 2021 | 39 lbs | 6 |
| 2022 | 56 lbs | 6 |
| 2023 | 34 lbs | 6 |
| 2024 | 6 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead compounds | 171 lbs | - |
| Manganese | 152 lbs | - |
| Lead And Lead Compounds | 32 lbs | - |
| Chromium | 6 lbs | - |
| Copper | 3 lbs | - |
| Nickel | 2 lbs | Carcinogen |
| Propylene | 0 lbs | - |
| Phosphorus (yellow or white) | 0 lbs | - |
Minteq/specialty Minerals in Litchfield
Nearest TRI Facilities to Minteq/specialty Minerals
Closest other reporters in Connecticut - including Apg New England, Howmet Castings & Services Inc., Electric Motion Co Inc., ordered by distance.
Showing 8 of 239 other reporting facilities in Connecticut.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Connecticut - e.g. Taber Extrusions LLC, Semco Inc, Spartan Light Metal Products Inc.
Other Minerals Technologies Inc Facilities
Same-parent TRI sites ranked by reported releases - including Cetco, Specialty Minerals Inc, Minteq International Inc Zedmark Div.
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 compounds, Manganese, Lead And Lead Compounds, Chromium; nearby reporters include Apg New England. Minteq/specialty Minerals stamps TRACE volume · MIXED pathway · TRACE-CARC 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 Minteq/specialty Minerals TRI extract (TRACE · MIXED · TRACE-CARC · lead Lead compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Minteq/specialty Minerals totals are self-reported EPCRA §313 estimates for North Canaan, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 331491 · Primary Metals. 0.0% of Litchfield TRI pounds in this extract. Nearest ABS peer: Abilene West (Δ 0 lbs). Pounds ≠ exposure.
Minteq/specialty Minerals stamps TRACE · MIXED pathway (air releases leads at 52.7%). 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