EPA TRI Facility · Chemicals
Simpson Strong-Tie Co Inc.
West Chicago, IL · Parent: Simpson Strong Tie Co Inc
- Total releases
- 10.2K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Simpson Strong-Tie Co Inc.: how the 10.2K lbs splits
10.2K lbs across all reported pathways
- Air Releases 9.7K lbs 95.3%
- Off-site Transfers 481 lbs 4.7%
Simpson Strong-Tie Co Inc.'s 10.2K lbs Form-R total is AIR - air releases is 95.3% of the bar. Next segment: off-site transfers at 4.7%. Leading chemical by pounds: Phenol.
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 AIR pathway CARC-LEAN
Simpson Strong-Tie Co Inc. is an EPA Toxics Release Inventory reporter in West Chicago, IL, in the chemicals sector. It reported 2.0K lbs of releases across 1 chemical in 2023, and 10.2K lbs in total across its 2019-2023 reporting years. That ranks 9,795 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Illinois's 951 reporting TRI sites, pounds #1 is not chemical-count #1. Simpson Strong-Tie Co Inc. is pounds #416 and chemical-count #418 at 10.2K lbs. Prairie State Generating Co leads reported pounds (37.9M lbs) at 31 chemicals (chemical-count #8). Veolia N.a. Inc. leads chemical count at 141 chemicals (1.9M lbs, pounds #34). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Ds Containers West Chicago; Osi Industries LLC; Tegrant Alloyd Brands Inc (dba Sonoco Alloyd); Ds Containers. Similar-scale Chemicals peers outside Illinois: Nexpera - Borderland Sar; Standard Paints Inc.; Masterchem Industries (behr LLC -- St Louis); The Elco Corp. Largest disclosed chemicals by pounds: Phenol; Styrene; 4,4'-Isopropylidenediphenol.
Simpson Strong-Tie Co Inc. stamps LIGHT volume with a dominant AIR pathway (95.3% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 10.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nexpera - Borderland Sar and Standard Paints Inc..
Simpson Strong-Tie Co Inc. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
10K lbs Top 38% higher than 62% 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
Simpson Strong-Tie Co Inc.: Phenol-led volume
Among the 3,917 Chemicals facilities in this database, Simpson Strong-Tie Co Inc. reports the 2,051st-largest volume (10.2K lbs). Its reported volume is concentrated rather than spread: Phenol alone is 82.0% of the total. Scale peers outside Illinois include Nexpera - Borderland Sar and Standard Paints Inc..
Concentrated means ≥60% of Simpson Strong-Tie Co Inc.'s pounds in one chemical - here Phenol at 82.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Simpson Strong-Tie Co Inc.'s total reported releases fell from 2.3 thousand lb in 2022 to 2.0 thousand lb in 2023, based on EPA TRI filings.
- Simpson Strong-Tie Co Inc.'s off-site transfers fell from 154 lb in 2022 to 65 lb in 2023, based on EPA TRI filings.
- Simpson Strong-Tie Co Inc.'s air releases fell from 2.1 thousand lb in 2022 to 2.0 thousand lb in 2023, based on EPA TRI filings.
Simpson Strong-Tie Co Inc. Form-R facts
Compare this facility
See how Simpson Strong-Tie Co Inc. stacks up against nearby facilities and the typical reporter.
56% less than the comparison
25% 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 Simpson Strong-Tie Co Inc. releases toxic chemicals into the environment. Total: 10.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 373% (427 lbs to 2.0K lbs).
Simpson Strong-Tie Co Inc.: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Simpson Strong-Tie Co Inc. year-over-year reported totals (increased by 373% 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: Phenol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 427 lbs | 2 |
| 2020 | 3.2K lbs | 2 |
| 2021 | 2.2K lbs | 1 |
| 2022 | 2.3K lbs | 1 |
| 2023 | 2.0K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Phenol | 8.3K lbs | - |
| Styrene | 1.6K lbs | Carcinogen |
| 4,4'-Isopropylidenediphenol | 198 lbs | - |
Simpson Strong-Tie Co Inc. · AIR-pathway site
Nearest TRI Facilities to Simpson Strong-Tie Co Inc.
Closest other reporters in Illinois - including Ds Containers West Chicago, Osi Industries LLC, Tegrant Alloyd Brands Inc (dba Sonoco Alloyd), ordered by distance.
Showing 8 of 950 other reporting facilities in Illinois.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Illinois - e.g. Nexpera - Borderland Sar, Standard Paints Inc., Masterchem Industries (behr LLC -- St Louis).
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Simpson Strong-Tie Co Inc. on cumulative reported pounds (10.2K lbs) and distinct chemical count (3). Release-pound peers include Reddy Ice-Plant City (413), Qorvo US Inc, Saint Thomas Bulk Terminal. 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.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Reddy Ice-Plant City (413) Plant City, FL · Beverages 10.2K lbs reported
- Qorvo US Inc Apopka, FL · Computers and Electronic Products 10.2K lbs reported
- Saint Thomas Bulk Terminal Saint Thomas, VI · Petroleum Bulk Terminals 10.2K lbs reported
- Ies Downstream LLC - Honolulu Terminal Marine Honolulu, HI · Petroleum Bulk Terminals 10.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Phenol, Styrene, 4,4'-Isopropylidenediphenol; nearby reporters include Ds Containers West Chicago. Simpson Strong-Tie Co Inc. stamps LIGHT volume · AIR pathway · CARC-LEAN 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 Simpson Strong-Tie Co Inc. TRI extract (LIGHT · AIR · CARC-LEAN · lead Phenol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Simpson Strong-Tie Co Inc. totals are self-reported EPCRA §313 estimates for West Chicago, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325520 · Chemicals. 0.6% of Dupage TRI pounds in this extract. Nearest ABS peer: Reddy Ice-Plant City (413) (Δ 1 lbs). Pounds ≠ exposure.
Simpson Strong-Tie Co Inc. stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Phenol. 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