EPA TRI Facility · Chemicals
Interplastic Corp
Pryor, OK · Parent: Ip Corp
- Total releases
- 81.2K lbs
- Chemicals reported
- 13
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Interplastic Corp: how the 81.2K lbs splits
81.2K lbs across all reported pathways
- Air Releases 80.7K lbs 99.4%
- Off-site Transfers 516 lbs 0.6%
- Water Discharges 6 lbs <0.1%
Interplastic Corp's 81.2K lbs Form-R total is AIR - air releases is 99.4% of the bar. Next segment: off-site transfers at 0.6%. Leading chemical by pounds: Styrene.
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
Interplastic Corp is an EPA Toxics Release Inventory reporter in Pryor, OK, in the chemicals sector. It reported 14.3K lbs of releases across 12 chemicals in 2023, and 81.2K lbs in total across its 2019-2023 reporting years. That ranks 5,028 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Interplastic Corp is pounds #81 and chemical-count #17 at 81.2K lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Norit Americas Inc; American Castings LLC; Rae Corp; Lsb Chemical L.L.C.. Similar-scale Chemicals peers outside Oklahoma: Hentzen Coatings,inc; Icm Biofuels LLC; The Sierra Co LLC; Ineos Composites US LLC. Other Ip Corp sites in this extract: Molding Products LLC; Interplastic Corp-Fort Wright; Interplastic Corp; Interplastic Corp. Largest disclosed chemicals by pounds: Styrene; Phthalic anhydride; Maleic anhydride; Dicyclopentadiene.
Interplastic Corp stamps LIGHT volume with a dominant AIR pathway (99.4% air releases) across 13 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 81.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hentzen Coatings,inc and Icm Biofuels LLC.
Interplastic Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
81K lbs Top 19% higher than 81% 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
Interplastic Corp: Styrene-led volume
Among the 3,917 Chemicals facilities in this database, Interplastic Corp reports the 1,021st-largest volume (81.2K lbs). Its reported volume is concentrated rather than spread: Styrene alone is 87.6% of the total. Carcinogen-classified chemicals make up 87.8% of the reported pounds, not just of the chemical count. Scale peers outside Oklahoma include Hentzen Coatings,inc and Icm Biofuels LLC.
Concentrated means ≥60% of Interplastic Corp's pounds in one chemical - here Styrene at 87.6%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Interplastic Corp's total reported releases fell from 18.4 thousand lb in 2022 to 14.3 thousand lb in 2023, based on EPA TRI filings.
- Interplastic Corp's air releases fell from 18.4 thousand lb in 2022 to 14.3 thousand lb in 2023, based on EPA TRI filings.
- Interplastic Corp's chemicals reported fell from 13 in 2022 to 12 in 2023, based on EPA TRI filings.
Interplastic Corp Form-R facts
Compare this facility
See how Interplastic Corp stacks up against nearby facilities and the typical reporter.
65% less than the comparison
2.6× 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 Interplastic Corp releases toxic chemicals into the environment. Total: 81.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 13% (16.4K lbs to 14.3K lbs).
Interplastic Corp: 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 Interplastic Corp year-over-year reported totals (decreased by 13% 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: Styrene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 16.4K lbs | 12 |
| 2020 | 13.0K lbs | 11 |
| 2021 | 19.0K lbs | 11 |
| 2022 | 18.4K lbs | 13 |
| 2023 | 14.3K lbs | 12 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 71.1K lbs | Carcinogen |
| Phthalic anhydride | 5.8K lbs | - |
| Maleic anhydride | 1.4K lbs | - |
| Dicyclopentadiene | 973 lbs | - |
| Xylene (mixed isomers) | 932 lbs | - |
| Methyl methacrylate | 624 lbs | - |
| Ethylbenzene | 184 lbs | Carcinogen |
| Ethylene glycol | 130 lbs | - |
| 4,4'-Isopropylidenediphenol | 8 lbs | - |
| 1,2,4-Trimethylbenzene | 4 lbs | - |
| Tetrabromobisphenol A | 4 lbs | - |
| Cobalt compounds | 0 lbs | Carcinogen |
| Methanol | 0 lbs | - |
Interplastic Corp · AIR-pathway site
Nearest TRI Facilities to Interplastic Corp
Closest other reporters in Oklahoma - including Norit Americas Inc, American Castings LLC, Rae Corp, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Hentzen Coatings,inc, Icm Biofuels LLC, The Sierra Co LLC.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Interplastic Corp on cumulative reported pounds (81.2K lbs) and distinct chemical count (13). Release-pound peers include Niagara Refining, Rivian Automotive, Hentzen Coatings,inc. Chemical-count peers include Puerto Rico Energy LLC - Guaynabo 2 Terminal, Global Companies LLC, Shell Providence Terminal. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Guaynabo 2 Terminal Guaynabo, PR · Petroleum Bulk Terminals 13 chemicals
- Global Companies LLC Revere, MA · Petroleum Bulk Terminals 13 chemicals
- Shell Providence Terminal Providence, RI · Petroleum Bulk Terminals 13 chemicals
- Sig Sauer Inc Newington, NH · Fabricated Metals 13 chemicals
Other Ip Corp Facilities
Same-parent TRI sites ranked by reported releases - including Molding Products LLC, Interplastic Corp-Fort Wright, Interplastic Corp.
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 Styrene, Phthalic anhydride, Maleic anhydride, Dicyclopentadiene; nearby reporters include Norit Americas Inc. Interplastic Corp 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 Interplastic Corp TRI extract (LIGHT · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Interplastic Corp totals are self-reported EPCRA §313 estimates for Pryor, OK, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325211 · Chemicals. 0.4% of Mayes TRI pounds in this extract. Nearest ABS peer: Niagara Refining (Δ 32 lbs). Pounds ≠ exposure.
Interplastic Corp stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Styrene. 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