Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PLAQUEMINE METHOCEL
21255 LA HIGHWAY 1 - BLOCK 45 BUILDING 4501, PLAQUEMINE, LA, 70764
Parent company: INTERNATIONAL FLAVORS & FRAGRANCES INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Methanol | Chloromethane | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Propylene oxide | Asbestos (friable) | Total (lbs) |
| 2024 | 8,179 | 3,190 | 250 | 884 | — | 12,503 |
| 2023 | 8,106 | 3,178 | 250 | 882 | — | 12,416 |
| 2022 | 10,238 | 3,118 | 250 | 951 | — | 14,557 |
| 2021 | 9,613 | 3,349 | 250 | 931 | — | 14,143 |
| 2020 | 10,393 | 4,842 | 250 | 1,012 | — | 16,496 |
| 2019 | 11,542 | 4,201 | 250 | 1,044 | — | 17,037 |
| 2018 | 11,318 | 4,673 | 10,893 | 894 | 1,600 | 29,788 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.