TRI facility · TRI 2024 reporting year

Composite Technology Assembly Plant 3

Total reported releases 230k lb rose sharply year over year (+60%). Total releases concentrations have more than doubled since 2022.

2900 GARY DR, Plymouth, Indiana · 326199 · Plastics and Rubber · operated by Composite Technology Assemblies LLC

TOTAL RELEASES · 20222024
Bar chart of annual values from 2022 to 2024, in lb. Most recent year (2024): 230k.230k'22'23'24230k
Anomaly engine

Notable Signals

YEAR-OVER-YEAR SURGE · RELEASE SHIFT

Styrene

Styrene releases at Composite Technology Assembly Plant 3 rose from 144k lb to 230k lb between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

CARCINOGENCAS 100-42-5

Styrene

230k lb · +60% YoY

Styrene concentrations have more than doubled since 2022.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (8 Census block groups, population-weighted demographics): a population of 8,555. Why we surface this →

POPULATION SHARE
35.4%

Low-income

POPULATION SHARE
26.8%

People of color

POPULATION SHARE
9.0%

Under age 5

POPULATION SHARE
12.9%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.

Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.

What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.