EPA TRI Facility · Other
Isti Plant Services
Tulsa, OK
- Total releases
- 37 lbs
- Chemicals reported
- 5
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Isti Plant Services: how the 37 lbs splits
37 lbs across all reported pathways
- Air Releases 37 lbs 100.0%
Isti Plant Services's 37 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: Chromium compounds (except for chromite ore mined in the Transvaal Region).
TRACE volume AIR pathway CARC-MID
Isti Plant Services is an EPA Toxics Release Inventory reporter in Tulsa, OK, in the other sector. It reported 32 lbs of releases across 2 chemicals in 2023, and 37 lbs in total across its 2019-2023 reporting years. That ranks 17,499 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. Isti Plant Services is pounds #300 and chemical-count #133 at 37 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Lmi Finishing Inc.; Arcosa Wind Towers Inc. Plt 1675; Central Plains Cement Co; Apac-Central Inc Tulsa Gencor Asphalt 4053. Similar-scale Other peers outside Oklahoma: US Army National Guard Strafford Training Site Range; Steris Isomedix Services; US Coast Guard Academy; Steris Inc. Largest disclosed chemicals by pounds: Chromium compounds (except for chromite ore mined in the Transvaal Region); Nickel compounds; Chromium; Manganese.
Isti Plant Services stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 37 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include US Army National Guard Strafford Training Site Range and Steris Isomedix Services.
Isti Plant Services vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
37 lbs 33rd percentile higher than 33% 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
Isti Plant Services in the Other sector extract
Among the 632 Other facilities in this database, Isti Plant Services reports the 515th-largest volume (37 lbs). Scale peers outside Oklahoma include US Army National Guard Strafford Training Site Range and Steris Isomedix Services.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Isti Plant Services's total reported releases rose from 1 lb in 2022 to 32 lb in 2023, based on EPA TRI filings.
- Isti Plant Services's air releases rose from 1 lb in 2022 to 32 lb in 2023, based on EPA TRI filings.
- Isti Plant Services's chemicals reported rose from 1 in 2022 to 2 in 2023, based on EPA TRI filings.
Isti Plant Services Form-R facts
Compare this facility
See how Isti Plant Services stacks up against nearby facilities and the typical reporter.
100% less than the comparison
About the same as 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 Isti Plant Services releases toxic chemicals into the environment. Total: 37 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 4407% (1 lbs to 32 lbs).
Isti Plant Services: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2021 0
- 2022 0
- 2023 0
What this shows Isti Plant Services year-over-year reported totals (increased by 4407% 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: Chromium compounds (except for chromite ore mined in the Transvaal Region).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1 lbs | 2 |
| 2021 | 3 lbs | 2 |
| 2022 | 1 lbs | 1 |
| 2023 | 32 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 19 lbs | - |
| Nickel compounds | 14 lbs | Carcinogen |
| Chromium | 3 lbs | - |
| Manganese | 1 lbs | - |
| Manganese compounds | 1 lbs | - |
Isti Plant Services · AIR-pathway site
Nearest TRI Facilities to Isti Plant Services
Closest other reporters in Oklahoma - including Lmi Finishing Inc., Arcosa Wind Towers Inc. Plt 1675, Central Plains Cement Co, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Other Facilities
Other Other facilities with similar total release volumes (±80%), outside Oklahoma - e.g. US Army National Guard Strafford Training Site Range, Steris Isomedix Services, US Coast Guard Academy.
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 Chromium compounds (except for chromite ore mined in the Transvaal Region), Nickel compounds, Chromium, Manganese; nearby reporters include Lmi Finishing Inc.. Isti Plant Services stamps TRACE volume · AIR pathway · CARC-MID 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 Isti Plant Services TRI extract (TRACE · AIR · CARC-MID · lead Chromium compounds (except for chromite ore mined in the Transvaal Region)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Isti Plant Services totals are self-reported EPCRA §313 estimates for Tulsa, OK, latest year 2023. Form-R rows span 2019–2023 (4 years). NAICS 237120 · Other. 0.0% of Rogers TRI pounds in this extract. Nearest ABS peer: Charter Automotive (Δ 0 lbs). Pounds ≠ exposure.
Isti Plant Services stamps TRACE volume · AIR pathway · CARC-MID · lead Chromium compounds (except for chromite ore mined in the Transvaal Region). 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