EPA TRI Facility · Chemicals
Alpek Polyester USA LLC Cooper River Plant
Moncks Corner, SC · Parent: Alpek Polyester USA LLC
- Total releases
- 337.5K lbs
- Chemicals reported
- 13
- Carcinogens
- 4
- Primary pathway
- Water Discharges
MIXED Form-R mix
Alpek Polyester USA LLC Cooper River Plant: how the 337.5K lbs splits
337.5K lbs across all reported pathways
- Water Discharges 208.5K lbs 61.8%
- Air Releases 127.9K lbs 37.9%
- Off-site Transfers 1.1K lbs 0.3%
- Land Disposal 0 lbs <0.1%
Alpek Polyester USA LLC Cooper River Plant's 337.5K lbs Form-R total is MIXED - water discharges is 61.8% of the bar. Next segment: air releases at 37.9%. 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.
MID volume MIXED pathway CARC-HEAVY
Alpek Polyester USA LLC Cooper River Plant is an EPA Toxics Release Inventory reporter in Moncks Corner, SC, in the chemicals sector. It reported 17.6K lbs of releases across 5 chemicals in 2023, and 337.5K lbs in total across its 2019-2023 reporting years. That ranks 2,423 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In South Carolina's 574 reporting TRI sites, pounds #1 is not chemical-count #1. Alpek Polyester USA LLC Cooper River Plant is pounds #74 and chemical-count #38 at 337.5K lbs. Oceanagold Haile Gold Mine leads reported pounds (30.2M lbs) at 19 chemicals (chemical-count #14). Giant Cement Co leads chemical count at 90 chemicals (53.3K lbs, pounds #185). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Du Pont Cooper River Plant; Dominion Energy of South Carolina - Williams Station Genco; Freeman Boatworks LLC; Nexans High Voltage USA Inc. Similar-scale Chemicals peers outside South Carolina: Solvay Specialty Polymers USA L.L.C.; Occidental Chemical Corp Sauget Plant; Amvac Chemical Co; The Chemours Co. Other Alpek Polyester USA LLC sites in this extract: Alpek Polyester USA Llc-Columbia Site; Alpek Polyester USA LLC. Largest disclosed chemicals by pounds: Ethylene glycol; Acetaldehyde; 1,4-Dioxane; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Alpek Polyester USA LLC Cooper River Plant is a MID · MIXED-pathway Form-R site in Moncks Corner, SC: 337.5K lbs across 13 chemicals (4 carcinogen-classified, CARC-HEAVY). No single media clears 70% of the bar (lead segment water discharges at 61.8%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Solvay Specialty Polymers USA L.L.C. and Occidental Chemical Corp Sauget Plant.
Alpek Polyester USA LLC Cooper River Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
337K lbs Top 9% higher than 91% 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
Alpek Polyester USA LLC Cooper River Plant: carcinogen-lbs share on Form-R
Among the 3,917 Chemicals facilities in this database, Alpek Polyester USA LLC Cooper River Plant reports the 484th-largest volume, placing it in the top 12.4% of its sector. Carcinogen-classified chemicals make up 50.8% of the reported pounds, not just of the chemical count. Scale peers outside South Carolina include Solvay Specialty Polymers USA L.L.C. and Occidental Chemical Corp Sauget Plant.
Carcinogen-heavy means ≥50% of pounds (50.8% here), not of chemical count. EPA/IARC classification ≠ site risk.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Alpek Polyester USA LLC Cooper River Plant's total reported releases fell from 44.9 thousand lb in 2022 to 17.6 thousand lb in 2023, based on EPA TRI filings.
- Alpek Polyester USA LLC Cooper River Plant's off-site transfers fell from 247 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Alpek Polyester USA LLC Cooper River Plant's air releases fell from 20.1 thousand lb in 2022 to 4.8 thousand lb in 2023, based on EPA TRI filings.
- Alpek Polyester USA LLC Cooper River Plant's water releases fell from 24.6 thousand lb in 2022 to 12.9 thousand lb in 2023, based on EPA TRI filings.
Alpek Polyester USA LLC Cooper River Plant Form-R facts
Compare this facility
See how Alpek Polyester USA LLC Cooper River Plant stacks up against nearby facilities and the typical reporter.
3545.5× more than the comparison
13.0× 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 Alpek Polyester USA LLC Cooper River Plant releases toxic chemicals into the environment. Total: 337.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 82% (100.5K lbs to 17.6K lbs).
Alpek Polyester USA LLC Cooper River Plant: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Alpek Polyester USA LLC Cooper River Plant year-over-year reported totals (decreased by 82% 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: Ethylene glycol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 100.5K lbs | 12 |
| 2020 | 97.8K lbs | 7 |
| 2021 | 76.6K lbs | 7 |
| 2022 | 44.9K lbs | 5 |
| 2023 | 17.6K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ethylene glycol | 126.4K lbs | - |
| Acetaldehyde | 105.0K lbs | Carcinogen |
| 1,4-Dioxane | 66.3K lbs | Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 25.0K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7.9K lbs | - |
| Methanol | 3.1K lbs | - |
| Biphenyl | 2.8K lbs | - |
| Antimony And Antimony Compounds | 798 lbs | - |
| Lead And Lead Compounds | 211 lbs | - |
| Polycyclic aromatic compounds | 0 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 0 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
| Antimony compounds | 0 lbs | - |
Alpek Polyester USA LLC Cooper River Plant in Berkeley
Nearest TRI Facilities to Alpek Polyester USA LLC Cooper River Plant
Closest other reporters in South Carolina - including Du Pont Cooper River Plant, Dominion Energy of South Carolina - Williams Station Genco, Freeman Boatworks LLC, ordered by distance.
Showing 8 of 573 other reporting facilities in South Carolina.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside South Carolina - e.g. Solvay Specialty Polymers USA L.L.C., Occidental Chemical Corp Sauget Plant, Amvac Chemical Co.
Compare beyond South Carolina
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Alpek Polyester USA LLC Cooper River Plant on cumulative reported pounds (337.5K lbs) and distinct chemical count (13). Release-pound peers include Univar Solutions USA, Solvay Specialty Polymers USA L.L.C., Chris Craft. 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.
- Univar Solutions USA Doraville, GA · Chemical Wholesalers 337.3K lbs reported
- Solvay Specialty Polymers USA L.L.C. Augusta, GA · Chemicals 336.7K lbs reported
- Chris Craft Sarasota, FL · Transportation Equipment 336.4K lbs reported
- Altec Engineering Inc Elkhart, IN · Plastics and Rubber 336.2K lbs reported
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 Alpek Polyester USA LLC Facilities
Same-parent TRI sites ranked by reported releases - including Alpek Polyester USA Llc-Columbia Site, Alpek Polyester USA 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 Ethylene glycol, Acetaldehyde, 1,4-Dioxane, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Du Pont Cooper River Plant. Alpek Polyester USA LLC Cooper River Plant stamps MID volume · MIXED 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 Alpek Polyester USA LLC Cooper River Plant TRI extract (MID · MIXED · CARC-HEAVY · lead Ethylene glycol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Alpek Polyester USA LLC Cooper River Plant totals are self-reported EPCRA §313 estimates for Moncks Corner, SC, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325211 · Chemicals. 1.2% of Berkeley TRI pounds in this extract. Nearest ABS peer: Univar Solutions USA (Δ 173 lbs). Pounds ≠ exposure.
Alpek Polyester USA LLC Cooper River Plant stamps MID · MIXED pathway (water discharges leads at 61.8%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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