EPA TRI Facility · Chemicals
Hampford Research Inc
Stratford, CT
- Total releases
- 70.6K lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Hampford Research Inc: how the 93.4K lbs splits
93.4K lbs across all reported pathways
- Air Releases 87.1K lbs 93.3%
- Off-site Transfers 6.3K lbs 6.7%
Hampford Research Inc's 93.4K lbs Form-R total is AIR - air releases is 93.3% of the bar. Next segment: off-site transfers at 6.7%. Leading chemical by pounds: Dichloromethane.
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-HEAVY
Hampford Research Inc is an EPA Toxics Release Inventory reporter in Stratford, CT, in the chemicals sector. It reported 22.8K lbs of releases across 4 chemicals in 2024, and 70.6K lbs in total across its 2019-2024 reporting years. That ranks 5,350 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. Hampford Research Inc is pounds #32 and chemical-count #55 at 70.6K 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: Palmero Health; Tradebe Treatment & Recycling of Bridgeport LLC; Resin Solutions LLC - Stratford Facility; US Chrome Corp of Connecticut. Similar-scale Chemicals peers outside Connecticut: Austin Powder Co; Starchem LLC; Cardinal Colwich LLC; Linde Inc. Largest disclosed chemicals by pounds: Dichloromethane; Toluene; Methanol; Formic acid.
Hampford Research Inc stamps LIGHT volume with a dominant AIR pathway (93.3% air releases) across 4 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 70.6K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Austin Powder Co and Starchem LLC.
Hampford Research Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
71K lbs Top 21% higher than 79% 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
Hampford Research Inc: Dichloromethane-led volume
Among the 3,917 Chemicals facilities in this database, Hampford Research Inc reports the 1,107th-largest volume (70.6K lbs). Its reported volume is concentrated rather than spread: Dichloromethane alone is 77.2% of the total. Carcinogen-classified chemicals make up 77.2% of the reported pounds, not just of the chemical count. Scale peers outside Connecticut include Austin Powder Co and Starchem LLC.
Concentrated means ≥60% of Hampford Research Inc's pounds in one chemical - here Dichloromethane at 77.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Hampford Research Inc's total reported releases fell from 15.4 thousand lb in 2022 to 14.2 thousand lb in 2023, based on EPA TRI filings.
- Hampford Research Inc's off-site transfers rose from 0 lb in 2022 to 5.2 thousand lb in 2023, based on EPA TRI filings.
- Hampford Research Inc's air releases fell from 15.4 thousand lb in 2022 to 9.0 thousand lb in 2023, based on EPA TRI filings.
Hampford Research Inc Form-R facts
Compare this facility
See how Hampford Research Inc stacks up against nearby facilities and the typical reporter.
141.2× 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 Hampford Research Inc releases toxic chemicals into the environment. Total: 93.4K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 26% (18.1K lbs to 22.8K lbs).
Hampford Research Inc: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Hampford Research Inc year-over-year reported totals (increased by 26% 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: Dichloromethane.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 18.1K lbs | 4 |
| 2020 | 11.8K lbs | 4 |
| 2021 | 11.1K lbs | 3 |
| 2022 | 15.4K lbs | 4 |
| 2023 | 14.2K lbs | 4 |
| 2024 | 22.8K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Dichloromethane | 72.1K lbs | Carcinogen |
| Toluene | 9.6K lbs | - |
| Methanol | 9.4K lbs | - |
| Formic acid | 1.3K lbs | - |
| Diisocyanates | 1.0K lbs | - |
Hampford Research Inc · AIR-pathway site
Nearest TRI Facilities to Hampford Research Inc
Closest other reporters in Connecticut - including Palmero Health, Tradebe Treatment & Recycling of Bridgeport LLC, Resin Solutions LLC - Stratford Facility, ordered by distance.
Showing 8 of 239 other reporting facilities in Connecticut.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Connecticut - e.g. Austin Powder Co, Starchem LLC, Cardinal Colwich LLC.
Compare beyond Connecticut
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Hampford Research Inc on cumulative reported pounds (70.6K lbs) and distinct chemical count (4). Release-pound peers include H. C. Chandler & Son Inc., New Dairy Kentucky LLC, Arnold Magnetic Technologies - Arnold Engineering. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis LLC. 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.
- H. C. Chandler & Son Inc. Plantersville, TX · Plastics and Rubber 70.6K lbs reported
- New Dairy Kentucky LLC London, KY · Food 70.6K lbs reported
- Arnold Magnetic Technologies - Arnold Engineering Marengo, IL · Fabricated Metals 70.7K lbs reported
- Globe Engineering Co Inc Wichita, KS · Transportation Equipment 70.5K lbs reported
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
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 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 Dichloromethane, Toluene, Methanol, Formic acid; nearby reporters include Palmero Health. Hampford Research Inc stamps LIGHT volume · AIR 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 Hampford Research Inc TRI extract (LIGHT · AIR · CARC-HEAVY · lead Dichloromethane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Hampford Research Inc totals are self-reported EPCRA §313 estimates for Stratford, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 325199 · Chemicals. 6.3% of Fairfield TRI pounds in this extract. Nearest ABS peer: H. C. Chandler & Son Inc. (Δ 20 lbs). Pounds ≠ exposure.
Hampford Research Inc stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Dichloromethane. 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