EPA TRI Facility · Plastics and Rubber
Composite Technology Assemblies LLC
Plymouth, IN
- Total releases
- 1.4M lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Composite Technology Assemblies LLC: how the 1.4M lbs splits
1.4M lbs across all reported pathways
- Air Releases 1.4M lbs 100.0%
Composite Technology Assemblies LLC's 1.4M 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: Styrene.
HEAVY volume AIR pathway CARC-HEAVY
Composite Technology Assemblies LLC is an EPA Toxics Release Inventory reporter in Plymouth, IN, in the plastics and rubber sector. It reported 243.6K lbs of releases across 1 chemical in 2023, and 1.4M lbs in total across its 2019-2023 reporting years. That ranks 1,069 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Composite Technology Assemblies LLC is pounds #47 and chemical-count #656 at 1.4M lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Pirod Inc; Lyondellbasell Advanced Polymers Inc.; Maax US Corp.; Ak Industries Inc. Similar-scale Plastics and Rubber peers outside Indiana: Charter Next Generation - Lexington; Valmont Composite Structures Newberry; Gaf Keystone Llc/new Columbia Facility; Enduro Composites Inc.-Houston Central Green Facility. Largest disclosed chemicals by pounds: Styrene.
Composite Technology Assemblies LLC stamps HEAVY volume with a dominant AIR pathway (100.0% air releases) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 1.4M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Charter Next Generation - Lexington and Valmont Composite Structures Newberry.
Composite Technology Assemblies LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.4M lbs Top 4% higher than 96% 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
Composite Technology Assemblies LLC: Styrene-led volume
Among the 1,504 Plastics and Rubber facilities in this database, Composite Technology Assemblies LLC reports the 19th-largest volume, placing it in the top 1.3% of its sector. Its reported volume is concentrated rather than spread: Styrene alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside Indiana include Charter Next Generation - Lexington and Valmont Composite Structures Newberry.
Concentrated means ≥60% of Composite Technology Assemblies LLC's pounds in one chemical - here Styrene at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Composite Technology Assemblies LLC's total reported releases fell from 319.5 thousand lb in 2022 to 243.6 thousand lb in 2023, based on EPA TRI filings.
- Composite Technology Assemblies LLC's air releases fell from 319.5 thousand lb in 2022 to 243.6 thousand lb in 2023, based on EPA TRI filings.
Composite Technology Assemblies LLC Form-R facts
Compare this facility
See how Composite Technology Assemblies LLC stacks up against nearby facilities and the typical reporter.
1119.7× more 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 Composite Technology Assemblies LLC releases toxic chemicals into the environment. Total: 1.4M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 18% (296.8K lbs to 243.6K lbs).
Composite Technology Assemblies LLC: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Composite Technology Assemblies LLC year-over-year reported totals (decreased by 18% 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 | 296.8K lbs | 1 |
| 2020 | 244.4K lbs | 1 |
| 2021 | 295.3K lbs | 1 |
| 2022 | 319.5K lbs | 1 |
| 2023 | 243.6K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 1.4M lbs | Carcinogen |
Composite Technology Assemblies LLC · AIR-pathway site
Nearest TRI Facilities to Composite Technology Assemblies LLC
Closest other reporters in Indiana - including Pirod Inc, Lyondellbasell Advanced Polymers Inc., Maax US Corp., ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Plastics and Rubber Facilities
Other Plastics and Rubber facilities with similar total release volumes (±80%), outside Indiana - e.g. Charter Next Generation - Lexington, Valmont Composite Structures Newberry, Gaf Keystone Llc/new Columbia Facility.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Composite Technology Assemblies LLC on cumulative reported pounds (1.4M lbs) and distinct chemical count (1). Release-pound peers include Charter Next Generation - Lexington, Mp Mine Operations LLC, Ag Processing Inc. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa 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).
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; nearby reporters include Pirod Inc. Composite Technology Assemblies LLC stamps HEAVY 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 Composite Technology Assemblies LLC TRI extract (HEAVY · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Composite Technology Assemblies LLC totals are self-reported EPCRA §313 estimates for Plymouth, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 326199 · Plastics and Rubber. 21.0% of Marshall TRI pounds in this extract. Nearest ABS peer: Charter Next Generation - Lexington (Δ 527 lbs). Pounds ≠ exposure.
Composite Technology Assemblies LLC stamps HEAVY 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