EPA TRI Facility · Miscellaneous Manufacturing
National Chain
Warwick, RI
- Total releases
- 21 lbs
- Chemicals reported
- 2
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
National Chain: how the 43 lbs splits
43 lbs across all reported pathways
- Air Releases 43 lbs 100.0%
National Chain's 43 lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ammonia.
TRACE volume AIR pathway CLEAN
National Chain is an EPA Toxics Release Inventory reporter in Warwick, RI, in the miscellaneous manufacturing sector. It reported 22 lbs of releases across 2 chemicals in 2024, and 21 lbs in total across its 2022-2024 reporting years. That ranks 17,931 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Rhode Island's 75 reporting TRI sites, pounds #1 is not chemical-count #1. National Chain is pounds #65 and chemical-count #55 at 21 lbs. Technic Inc Engineered Powders Div leads reported pounds (641.4K lbs) at 7 chemicals (chemical-count #8). Gannon & Scott leads chemical count at 17 chemicals (35 lbs, pounds #61). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: James a Murphy & Son (ri); Pease & Curren Inc; Gannon & Scott; National Chain Co. Similar-scale Miscellaneous Manufacturing peers outside Rhode Island: Clark Grave Vault/ctl Steel; Gemini - Taylor; Gemini - Cannon Falls; Foundation Labs By Ply Gem LLC. Largest disclosed chemicals by pounds: Ammonia; Copper.
National Chain stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals. Cumulative Form-R extract: 21 lbs (2022–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Clark Grave Vault/ctl Steel and Gemini - Taylor.
National Chain vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
21 lbs 31st percentile higher than 31% 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
National Chain in the Miscellaneous Manufacturing sector extract
Among the 371 Miscellaneous Manufacturing facilities in this database, National Chain reports the 252nd-largest volume (21 lbs). Scale peers outside Rhode Island include Clark Grave Vault/ctl Steel and Gemini - Taylor.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
National Chain Form-R facts
Compare this facility
See how National Chain stacks up against nearby facilities and the typical reporter.
78% less than the comparison
2.0× 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 National Chain releases toxic chemicals into the environment. Total: 43 lbs.
Emissions Trend Summary
From 2022 to 2024, total releases increased by 238% (7 lbs to 22 lbs).
National Chain: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2022–2024
- 2022 0
- 2023 0
- 2024 0
What this shows National Chain year-over-year reported totals (increased by 238% from 2022 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 7 lbs | 1 |
| 2023 | 15 lbs | 2 |
| 2024 | 22 lbs | 2 |
National Chain · AIR-pathway site
Nearest TRI Facilities to National Chain
Closest other reporters in Rhode Island - including James a Murphy & Son (ri), Pease & Curren Inc, Gannon & Scott, ordered by distance.
Showing 8 of 74 other reporting facilities in Rhode Island.
Similar Miscellaneous Manufacturing Facilities
Other Miscellaneous Manufacturing facilities with similar total release volumes (±80%), outside Rhode Island - e.g. Clark Grave Vault/ctl Steel, Gemini - Taylor, Gemini - Cannon Falls.
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 Ammonia, Copper; nearby reporters include James a Murphy & Son (ri). National Chain stamps TRACE volume · AIR 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 National Chain TRI extract (TRACE · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
National Chain totals are self-reported EPCRA §313 estimates for Warwick, RI, latest year 2023. Form-R rows span 2022–2024 (3 years). NAICS 339910 · Miscellaneous Manufacturing. 0.1% of Kent TRI pounds in this extract. Nearest ABS peer: Concrete Co of Springfield- Republic (Δ 0 lbs). Pounds ≠ exposure.
National Chain stamps TRACE volume · AIR pathway · CLEAN · lead Ammonia. 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