Entegris Inc
6 facilities · 5 states · 566.0K lbs total releases
According to the EPA Toxics Release Inventory, Entegris Inc is the reported parent of 6 Form R facilities across 5 states, disclosing 566.0K lbs of toxic releases. 7 of 23 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Texas (289.5K lbs). Those TRI figures remain self-reported disclosure pounds for Entegris Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Entegris Inc: EPA TRI 2023 reporting year
Same facilities, both years
+526.4%
5 facilities that filed in 2022 and 2023
Whole inventory
+528.0%
60.8 thousand lb → 381.9 thousand lb, every facility that filed
Between the two reporting years, 1 facility filed for the first time and 0 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Entegris Inc's total reported releases rose from 60.8 thousand lb in 2022 to 380.9 thousand lb in 2023, based on EPA TRI filings.
- Entegris Inc's off-site transfers rose from 53.1 thousand lb in 2022 to 373.0 thousand lb in 2023, based on EPA TRI filings.
- Entegris Inc's chemicals reported rose from 14 in 2022 to 16 in 2023, based on EPA TRI filings.
- Entegris Inc's air releases rose from 7.7 thousand lb in 2022 to 7.9 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Entegris Inc from filing to facility
Largest Form R sites under this parent: Entegris Inc.; Entegris Inc; Poco Graphite; Entegris Inc. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: Toluene; Certain glycol ethers; Methanol; Copper And Copper Compounds; Ethylene glycol. Heaviest-reporting states in this extract: Texas; Pennsylvania; Massachusetts. Industry labels on the parent rollup: Chemicals; Electrical Equipment; Plastics and Rubber; Miscellaneous Manufacturing. 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: Entegris Inc.; Entegris Inc; Poco Graphite; Entegris Inc. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: Toluene; Certain glycol ethers; Methanol; Copper And Copper Compounds; Ethylene glycol. Heaviest-reporting states in this extract: Texas; Pennsylvania; Massachusetts. Industry labels on the parent rollup: Chemicals; Electrical Equipment; Plastics and Rubber; Miscellaneous Manufacturing.
Entegris Inc ranks #852 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Entegris Inc files across 5 states, a regional parent portfolio rather than a single-state discloser. Entegris Inc's disclosed pounds are spread across 6 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Entegris Inc follows facility-reported names. Compare the named neighbors (US Steel Corp; Keystone-Conemaugh Projects LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Entegris Inc sits among TRI parents
Entegris Inc sits on a disclosure ladder beside US Steel Corp and Keystone-Conemaugh Projects LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- US Steel Corp · rank #850 · 40.6M lbs
- Keystone-Conemaugh Projects LLC · rank #851 · 15.0M lbs
Largest chemicals disclosed by Entegris Inc
Toluene; Certain glycol ethers; Methanol; Copper And Copper Compounds; Ethylene glycol lead the Form R pound rollup for this parent, including filings such as Entegris Inc.. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Toluene | 183.8K lbs |
| Certain glycol ethers | 76.9K lbs |
| Methanol | 71.4K lbs |
| Copper And Copper Compounds | 64.2K lbs |
| Ethylene glycol | 59.4K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Texas | 2 | 289.5K lbs |
| Pennsylvania | 1 | 247.2K lbs |
| Massachusetts | 1 | 26.2K lbs |
| California | 1 | 2.0K lbs |
| Illinois | 1 | 980 lbs |
Facilities (6)
| Facility | Releases |
|---|---|
| Entegris Inc. Chester, PA | 247.2K lbs |
| Entegris Inc Burnet, TX | 224.0K lbs |
| Poco Graphite Decatur, TX | 65.5K lbs |
| Entegris Inc Bedford, MA | 26.2K lbs |
| Entegris - San Luis Obispo San Luis Obispo, CA | 2.0K lbs |
| Entegris Inc. Aurora, IL | 980 lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Entegris Inc on total disclosed release pounds (566.0K lbs) and reporting facility count (6). Release-volume peers include Nestle Purina Petcare Co, Everzinc Corp, Drax Biomass Inc. Facility-count peers include Abbott Laboratories, Agribeef Co, Allnex USA 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 Texas, Pennsylvania, Massachusetts; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Entegris Inc's TRI parent record
From Entegris Inc, open Entegris Inc. or compare against US Steel Corp rather than reading rank alone.
- Open the largest Form R site for Entegris Inc (Entegris Inc. in PA). Largest facility
- Compare against Keystone-Conemaugh Projects LLC, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Entegris Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (US Steel Corp, Keystone-Conemaugh Projects LLC) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Entegris 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.