EPA TRI Facility · Chemicals
Monument Chemical Bayport LLC
Pasadena, TX · Parent: Monument Chemical LLC
- Total releases
- 132.3K lbs
- Chemicals reported
- 5
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Monument Chemical Bayport LLC: how the 132.3K lbs splits
132.3K lbs across all reported pathways
- Off-site Transfers 127.6K lbs 96.4%
- Air Releases 4.7K lbs 3.6%
Monument Chemical Bayport LLC's 132.3K lbs Form-R total is OFFSITE - off-site transfers is 96.4% of the bar. Next segment: air releases at 3.6%. Leading chemical by pounds: n-Butyl alcohol.
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.
MID volume OFFSITE pathway TRACE-CARC
Monument Chemical Bayport LLC is an EPA Toxics Release Inventory reporter in Pasadena, TX, in the chemicals sector. It reported 23.3K lbs of releases across 4 chemicals in 2023, and 132.3K lbs in total across its 2019-2023 reporting years. That ranks 4,000 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. Monument Chemical Bayport LLC is pounds #394 and chemical-count #633 at 132.3K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Oxiteno USA LLC; Nippon Chemical Texas Inc; Seatex - Pasadena; Haldor Topsoe Inc. Similar-scale Chemicals peers outside Texas: Nuclear Fuel Services Inc; Arichem LLC; Coating Place Inc; Valero Charles City Plant. Other Monument Chemical LLC sites in this extract: Monument Chemical Port Arthur LLC; Monument Chemical Houston LLC; Monument Chemical Baytown LLC. Largest disclosed chemicals by pounds: n-Butyl alcohol; Methanol; Acrylonitrile; Naphthalene.
Monument Chemical Bayport LLC stamps MID volume with a dominant OFFSITE pathway (96.4% off-site transfers) across 5 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 132.3K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nuclear Fuel Services Inc and Arichem LLC.
Monument Chemical Bayport LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
132K lbs Top 15% higher than 85% 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
Monument Chemical Bayport LLC: n-Butyl alcohol-led volume
Among the 3,917 Chemicals facilities in this database, Monument Chemical Bayport LLC reports the 767th-largest volume, placing it in the top 19.6% of its sector. Its reported volume is concentrated rather than spread: n-Butyl alcohol alone is 65.0% of the total. Scale peers outside Texas include Nuclear Fuel Services Inc and Arichem LLC.
Concentrated means ≥60% of Monument Chemical Bayport LLC's pounds in one chemical - here n-Butyl alcohol at 65.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Monument Chemical Bayport LLC's total reported releases rose from 7.1 thousand lb in 2022 to 23.3 thousand lb in 2023, based on EPA TRI filings.
- Monument Chemical Bayport LLC's air releases rose from 155 lb in 2022 to 534 lb in 2023, based on EPA TRI filings.
- Monument Chemical Bayport LLC's off-site transfers rose from 6.9 thousand lb in 2022 to 22.7 thousand lb in 2023, based on EPA TRI filings.
Monument Chemical Bayport LLC Form-R facts
Compare this facility
See how Monument Chemical Bayport LLC stacks up against nearby facilities and the typical reporter.
26% more than the comparison
67% 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 Monument Chemical Bayport LLC releases toxic chemicals into the environment. Total: 132.3K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 52% (48.6K lbs to 23.3K lbs).
Monument Chemical Bayport LLC: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Monument Chemical Bayport LLC year-over-year reported totals (decreased by 52% 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: n-Butyl alcohol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 48.6K lbs | 4 |
| 2020 | 8.2K lbs | 4 |
| 2021 | 45.1K lbs | 4 |
| 2022 | 7.1K lbs | 4 |
| 2023 | 23.3K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Butyl alcohol | 86.0K lbs | - |
| Methanol | 46.3K lbs | - |
| Acrylonitrile | 81 lbs | Carcinogen |
| Naphthalene | 1 lbs | Carcinogen |
| Acrylic acid | 0 lbs | - |
Monument Chemical Bayport LLC · OFFSITE-pathway site
Nearest TRI Facilities to Monument Chemical Bayport LLC
Closest other reporters in Texas - including Oxiteno USA LLC, Nippon Chemical Texas Inc, Seatex - Pasadena, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Texas - e.g. Nuclear Fuel Services Inc, Arichem LLC, Coating Place Inc.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Monument Chemical Bayport LLC on cumulative reported pounds (132.3K lbs) and distinct chemical count (5). Release-pound peers include Catfish Processors LLC DBA Freshwater Farms, Ball Packaging LLC, Fluidra. Chemical-count peers include Abbvie Ltd, Lilly del Caribe Inc Carolin A, Baxter Healthcare of Puerto Rico LLC. 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).
Other Monument Chemical LLC Facilities
Same-parent TRI sites ranked by reported releases - including Monument Chemical Port Arthur LLC, Monument Chemical Houston LLC, Monument Chemical Baytown LLC.
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 n-Butyl alcohol, Methanol, Acrylonitrile, Naphthalene; nearby reporters include Oxiteno USA LLC. Monument Chemical Bayport LLC stamps MID volume · OFFSITE pathway · TRACE-CARC 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 Monument Chemical Bayport LLC TRI extract (MID · OFFSITE · TRACE-CARC · lead n-Butyl alcohol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Monument Chemical Bayport LLC totals are self-reported EPCRA §313 estimates for Pasadena, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325199 · Chemicals. 0.1% of Harris TRI pounds in this extract. Nearest ABS peer: Catfish Processors LLC DBA Freshwater Farms (Δ 53 lbs). Pounds ≠ exposure.
Monument Chemical Bayport LLC stamps MID volume · OFFSITE pathway · TRACE-CARC · lead n-Butyl alcohol. 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