EPA TRI Facility · Hazardous Waste
Union Processing Systems LLC
Conroe, TX · Parent: Montgomery County Environmental Solutions LLC
- Total releases
- 18.3M lbs
- Chemicals reported
- 13
- Carcinogens
- 3
- Primary pathway
- Land Disposal
LAND Form-R mix
Union Processing Systems LLC: how the 18.3M lbs splits
18.3M lbs across all reported pathways
- Land Disposal 18.3M lbs 100.0%
- Air Releases 1.0K lbs <0.1%
Union Processing Systems LLC's 18.3M lbs Form-R total is LAND - land disposal is 100.0% of the bar. Next segment: air releases at <0.1%. Leading chemical by pounds: Ethylene glycol.
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.
HEAVY volume LAND pathway CARC-LEAN
Union Processing Systems LLC is an EPA Toxics Release Inventory reporter in Conroe, TX, in the hazardous waste sector. It reported 3.4M lbs of releases across 11 chemicals in 2023, and 18.3M lbs in total across its 2020-2023 reporting years. That ranks 110 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. Union Processing Systems LLC is pounds #9 and chemical-count #157 at 18.3M lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Huntsman Petrochemical LLC; Maverick Tube LLC DBA Tenarisconroe; Conroe Gas Processing Plant; Holcim-Sor Inc.- Conroe Rmx. Similar-scale Hazardous Waste peers outside Texas: Envirite of Ohio Inc; Chemical Waste Management Inc; Peoria Disposal Co #1; Clean Harbors el Dorado LLC. Largest disclosed chemicals by pounds: Ethylene glycol; N,N-Dimethylformamide; 1,4-Dioxane; Manganese compounds.
Union Processing Systems LLC stamps HEAVY volume with a dominant LAND pathway (100.0% land disposal) across 13 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 18.3M lbs (2020–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Envirite of Ohio Inc and Chemical Waste Management Inc.
Union Processing Systems LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
18M lbs Top 1% higher than 100% 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
Union Processing Systems LLC inside Montgomery's TRI pounds
Among the 261 Hazardous Waste facilities in this database, Union Processing Systems LLC reports the 13th-largest volume, placing it in the top 5% of its sector. This one site accounts for 81.5% of every pound reported in Montgomery. Its reported volume is concentrated rather than spread: Ethylene glycol alone is 61.2% of the total. Scale peers outside Texas include Envirite of Ohio Inc and Chemical Waste Management Inc.
County-dominant here means ≥25% of Montgomery's reported pounds (22.5M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Union Processing Systems LLC's total reported releases fell from 5.1 million lb in 2022 to 3.4 million lb in 2023, based on EPA TRI filings.
- Union Processing Systems LLC's air releases rose from 0 lb in 2022 to 1.0 thousand lb in 2023, based on EPA TRI filings.
- Union Processing Systems LLC's chemicals reported rose from 8 in 2022 to 11 in 2023, based on EPA TRI filings.
- Union Processing Systems LLC's land releases fell from 5.1 million lb in 2022 to 3.4 million lb in 2023, based on EPA TRI filings.
Union Processing Systems LLC Form-R facts
Compare this facility
See how Union Processing Systems LLC stacks up against nearby facilities and the typical reporter.
8.6× more than the comparison
19% less 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 Union Processing Systems LLC releases toxic chemicals into the environment. Total: 18.3M lbs.
Emissions Trend Summary
From 2020 to 2023, total releases increased by 28% (2.6M lbs to 3.4M lbs).
Union Processing Systems LLC: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2020–2023
- 2020
- 2021
- 2022
- 2023
What this shows Union Processing Systems LLC year-over-year reported totals (increased by 28% from 2020 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: Ethylene glycol.
| Year | Total | Chemicals |
|---|---|---|
| 2020 | 2.6M lbs | 9 |
| 2021 | 7.2M lbs | 9 |
| 2022 | 5.1M lbs | 8 |
| 2023 | 3.4M lbs | 11 |
Chemical Releases
Aggregated across all reporting years (2020–2023). 3 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ethylene glycol | 11.2M lbs | - |
| N,N-Dimethylformamide | 1.8M lbs | Carcinogen |
| 1,4-Dioxane | 1.3M lbs | Carcinogen |
| Manganese compounds | 1.0M lbs | - |
| Zinc compounds | 1.0M lbs | - |
| Ammonia | 793.3K lbs | - |
| Boron trifluoride | 613.1K lbs | - |
| Methanol | 234.1K lbs | - |
| Diethanolamine | 201.2K lbs | - |
| Copper | 35.2K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 25.6K lbs | - |
| Nickel compounds | 20.9K lbs | Carcinogen |
| Certain glycol ethers | 12.5K lbs | - |
Union Processing Systems LLC · LAND-pathway site
Nearest TRI Facilities to Union Processing Systems LLC
Closest other reporters in Texas - including Huntsman Petrochemical LLC, Maverick Tube LLC DBA Tenarisconroe, Conroe Gas Processing Plant, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Hazardous Waste Facilities
Other Hazardous Waste facilities with similar total release volumes (±80%), outside Texas - e.g. Envirite of Ohio Inc, Chemical Waste Management Inc, Peoria Disposal Co #1.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Union Processing Systems LLC on cumulative reported pounds (18.3M lbs) and distinct chemical count (13). Release-pound peers include Cleveland-Cliffs Steel LLC, Uss-Clairton Plant, U.S. Silver - Idaho 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
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 Ethylene glycol, N,N-Dimethylformamide, 1,4-Dioxane, Manganese compounds; nearby reporters include Huntsman Petrochemical LLC. Union Processing Systems LLC stamps HEAVY volume · LAND pathway · CARC-LEAN 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 Union Processing Systems LLC TRI extract (HEAVY · LAND · CARC-LEAN · lead Ethylene glycol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Union Processing Systems LLC totals are self-reported EPCRA §313 estimates for Conroe, TX, latest year 2023. Form-R rows span 2020–2023 (4 years). NAICS 562219 · Hazardous Waste. 81.5% of Montgomery TRI pounds in this extract. Nearest ABS peer: Cleveland-Cliffs Steel LLC (Δ 69.8K lbs). Pounds ≠ exposure.
Union Processing Systems LLC stamps HEAVY volume · LAND pathway · CARC-LEAN · lead Ethylene glycol. 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