EPA TRI Facility · Fabricated Metals

Stanley Engineered Fastening LLC

Danbury, CT · Parent: Stanley Black & Decker

Total releases
3.9K lbs
Chemicals reported
3
Carcinogens
1
Primary pathway
Off-site Transfers

OFFSITE Form-R mix

Stanley Engineered Fastening LLC: how the 4.6K lbs splits

4.6K lbs across all reported pathways

  • Off-site Transfers 4.5K lbs 99.1%
  • Water Discharges 42 lbs 0.9%

Stanley Engineered Fastening LLC's 4.6K lbs Form-R total is OFFSITE - off-site transfers is 99.1% of the bar. Next segment: water discharges at 0.9%. 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 OFFSITE pathway CARC-HEAVY

Stanley Engineered Fastening LLC is an EPA Toxics Release Inventory reporter in Danbury, CT, in the fabricated metals sector. It reported 665 lbs of releases across 2 chemicals in 2024, and 3.9K lbs in total across its 2019-2024 reporting years. That ranks 11,631 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. Stanley Engineered Fastening LLC is pounds #111 and chemical-count #90 at 3.9K 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: Sandvik Wire and Heating Technologies; Tilcon Connecticut Inc; Amphenol Rf Inc; Cs Clean Solutions Inc.. Similar-scale Fabricated Metals peers outside Connecticut: Erie Plating Co; Quaker City Plating & Silversmith Ltd; Trimark Corp; Ball Metalpack LLC. Other Stanley Black & Decker sites in this extract: Mtd Consumer Group Inc - Martin Facility; Stanley Works Hand Tools Div.; Irwin Industrial Tools DBA Lenox Tools; Infastech-Decorah LLC. Largest disclosed chemicals by pounds: Lead; Copper; Chromium.

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Stanley Engineered Fastening LLC stamps LIGHT volume with a dominant OFFSITE pathway (99.1% off-site transfers) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 3.9K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Erie Plating Co and Quaker City Plating & Silversmith Ltd.

#11,631 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Stanley Engineered Fastening LLC vs. every reporting TRI facility

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

3.9K lbs Top 45% higher than 55% 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

Stanley Engineered Fastening LLC: Lead-led volume

Among the 3,421 Fabricated Metals facilities in this database, Stanley Engineered Fastening LLC reports the 1,416th-largest volume (3.9K lbs). Its reported volume is concentrated rather than spread: Lead alone is 88.3% of the total. Carcinogen-classified chemicals make up 88.3% of the reported pounds, not just of the chemical count. Scale peers outside Connecticut include Erie Plating Co and Quaker City Plating & Silversmith Ltd.

Concentrated means ≥60% of Stanley Engineered Fastening LLC's pounds in one chemical - here Lead at 88.3%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Stanley Engineered Fastening LLC's total reported releases fell from 808 lb in 2022 to 587 lb in 2023, based on EPA TRI filings.
  • Stanley Engineered Fastening LLC's chemicals reported fell from 3 in 2022 to 2 in 2023, based on EPA TRI filings.
  • Stanley Engineered Fastening LLC's off-site transfers fell from 798 lb in 2022 to 580 lb in 2023, based on EPA TRI filings.

Stanley Engineered Fastening LLC Form-R facts

Sector
Fabricated Metals
LIGHT volume
3.9K lbs
OFFSITE pathway
Off-site Transfers
CARC-HEAVY chem count
3 · 1 carc.
Lead chemical
Lead

Compare this facility

See how Stanley Engineered Fastening LLC stacks up against nearby facilities and the typical reporter.

Total reported releases
Stanley Engineered Fastening LLC
3.9K lbs
Sandvik Wire and Heating Technologies
313 lbs

12.4× more than the comparison

Chemicals reported
Stanley Engineered Fastening LLC
3
Sandvik Wire and Heating Technologies
3

About the same as 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 Stanley Engineered Fastening LLC releases toxic chemicals into the environment. Total: 4.6K lbs.

Off-site Transfers 4.5K lbs (99.1%)
Water Discharges 42 lbs (0.9%)
View 6-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2024, total releases decreased by 7% (718 lbs to 665 lbs).

Stanley Engineered Fastening LLC: annual Form-R pounds

LIGHT site · OFFSITE pathway · TRI years 2019–2024

million lbs

What this shows Stanley Engineered Fastening LLC year-over-year reported totals (decreased by 7% 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.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 718 lbs 2
2020 861 lbs 2
2021 918 lbs 2
2022 808 lbs 3
2023 587 lbs 2
2024 665 lbs 2

Chemical Releases

Aggregated across all reporting years (2019–2024). 1 of 3 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Lead 4.0K lbs Carcinogen
Copper 527 lbs -
Chromium 6 lbs -

Stanley Engineered Fastening LLC · OFFSITE-pathway site

Danbury, CT
41.3909, -73.4253
County TRI context
Fairfield · 0.3% of county pounds
Parent company
Stanley Black & Decker

Compare beyond Connecticut

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Stanley Engineered Fastening LLC on cumulative reported pounds (3.9K lbs) and distinct chemical count (3). Release-pound peers include Linamar Indiana Plant 1, Parker Hannifin Corp Mt Holly Facility, Pannier Graphics. 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.

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, Chromium; nearby reporters include Sandvik Wire and Heating Technologies. Stanley Engineered Fastening 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 Stanley Engineered Fastening LLC TRI extract (LIGHT · OFFSITE · CARC-HEAVY · lead Lead) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Stanley Engineered Fastening LLC totals are self-reported EPCRA §313 estimates for Danbury, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 332721 · Fabricated Metals. 0.3% of Fairfield TRI pounds in this extract. Nearest ABS peer: Linamar Indiana Plant 1 (Δ 0 lbs). Pounds ≠ exposure.

Stanley Engineered Fastening LLC stamps LIGHT volume · OFFSITE pathway · CARC-HEAVY · lead Lead. 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