Duravent Inc
3 facilities · 3 states · 119.6K lbs total releases
According to the EPA Toxics Release Inventory, Duravent Inc is the reported parent of 3 Form R facilities across 3 states, disclosing 119.6K lbs of toxic releases. 1 of 9 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Alabama (119.5K lbs). Those TRI figures remain self-reported disclosure pounds for Duravent Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Duravent Inc: EPA TRI 2023 reporting year
Same facilities, both years
+38.6%
3 facilities that filed in 2022 and 2023
Whole inventory
+38.6%
23.8 thousand lb → 33.0 thousand lb, every facility that filed
- Duravent Inc's total reported releases rose from 23.8 thousand lb in 2022 to 33.0 thousand lb in 2023, based on EPA TRI filings.
- Duravent Inc's air releases rose from 23.3 thousand lb in 2022 to 32.4 thousand lb in 2023, based on EPA TRI filings.
- Duravent Inc's off-site transfers rose from 446 lb in 2022 to 589 lb in 2023, based on EPA TRI filings.
- Duravent Inc's chemicals reported fell from 4 in 2022 to 3 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Duravent Inc from filing to facility
Largest Form R sites under this parent: Hart & Cooley LLC; Hart & Cooley; Hart & Cooley LLC. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.. Largest disclosed chemicals by pounds: Certain glycol ethers; Chromium; Nickel; Manganese. Heaviest-reporting states in this extract: Alabama; Idaho; Massachusetts. Industry labels on the parent rollup: Fabricated Metals. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Largest Form R sites under this parent: Hart & Cooley LLC; Hart & Cooley; Hart & Cooley LLC. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.. Largest disclosed chemicals by pounds: Certain glycol ethers; Chromium; Nickel; Manganese. Heaviest-reporting states in this extract: Alabama; Idaho; Massachusetts. Industry labels on the parent rollup: Fabricated Metals.
Duravent Inc ranks #1,540 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Duravent Inc files across 3 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Hart & Cooley LLC accounts for most of Duravent Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Duravent Inc follows facility-reported names. Compare the named neighbors (Waste Management Inc; Koch Inc.) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Duravent Inc sits among TRI parents
Duravent Inc sits on a disclosure ladder beside Waste Management Inc and Koch Inc.. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Waste Management Inc · rank #1,538 · 95.6M lbs
- Koch Inc. · rank #1,539 · 45.8M lbs
Largest chemicals disclosed by Duravent Inc
Certain glycol ethers; Chromium; Nickel; Manganese lead the Form R pound rollup for this parent, including filings such as Hart & Cooley LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Certain glycol ethers | 119.5K lbs |
| Chromium | 53 lbs |
| Nickel | 31 lbs |
| Manganese | 2 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Alabama | 1 | 119.5K lbs |
| Idaho | 1 | 22 lbs |
| Massachusetts | 1 | 0 lbs |
Facilities (3)
| Facility | Releases |
|---|---|
| Hart & Cooley LLC Huntsville, AL | 119.5K lbs |
| Hart & Cooley Nampa, ID | 22 lbs |
| Hart & Cooley LLC Turners Falls, MA | 0 lbs |
Frequently Asked Questions
How much pollution does Duravent Inc release?
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Does Duravent Inc release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Duravent Inc on total disclosed release pounds (119.6K lbs) and reporting facility count (3). Release-volume peers include Astec Industries Inc, Matalco USA LLC, Hentzen Coatings Inc. Facility-count peers include A-Gas US Holdings Inc, Abb Holdings Inc, Adams Resources & Energy Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Alabama, Idaho, Massachusetts; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Duravent Inc's TRI parent record
From Duravent Inc, open Hart & Cooley LLC or compare against Waste Management Inc rather than reading rank alone.
- Open the largest Form R site for Duravent Inc (Hart & Cooley LLC in AL). Largest facility
- Compare against Koch Inc., the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Duravent Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Waste Management Inc, Koch Inc.) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Duravent Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.