Copper
Copper releases at Blue Cube Operations LLC - Plaquemine Site rose from 27k lb to 62k lb (2.2×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Blue Cube Operations LLC - Plaquemine Site
Total reported releases 349k lb fell modestly year over year (-10%). Total releases concentrations have fallen 49% since 2015.
21255 HIGHWAY 1, Plaquemine, Louisiana · 325199 · Chemicals · operated by Olin CORP
Anomaly engine
Notable Signals
0000075456
0000075456 releases at Blue Cube Operations LLC - Plaquemine Site fell from 12k lb to 0 lb (100% lower) between 2023 and 2024.
Chemicals reported · most recent year
What This Facility Releases
Asbestos (friable)
Asbestos (friable) concentrations are roughly unchanged from 2015.
Copper
Copper concentrations have fallen 36% since 2015.
1,2-Dichloroethane
1,2-Dichloroethane concentrations have fallen 24% since 2015.
Chloroform
Chloroform concentrations are roughly unchanged from 2015.
Tetrachloroethylene
Tetrachloroethylene concentrations have more than doubled since 2015.
Chlorine
Chlorine concentrations are roughly unchanged from 2015.
Carbon tetrachloride
Carbon tetrachloride concentrations have more than doubled since 2015.
Dichloromethane
Dichloromethane concentrations have fallen 42% since 2019.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (3 Census block groups, population-weighted demographics): a population of 7,637. Why we surface this →
17.8%
Low-income
46.7%
People of color
7.9%
Under age 5
11.4%
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.