Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TSRC SPECIALTY MATERIALS LLC
21255 LA HWY 1, PLAQUEMINE, LA, 70764
Parent company: NA
Carcinogen
— 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 | Cyclohexane | Isoprene | Styrene | 1,3-Butadiene | Total (lbs) | |
| 2024 | 364,000 | 4,300 | 4,560 | 2,120 | 374,980 | |
| 2023 | 244,000 | 15,200 | 5,800 | 2,570 | 267,570 | |
| 2022 | 284,000 | 7,700 | 6,400 | 2,020 | 300,120 | |
| 2021 | 418,608 | 10,397 | 5,345 | 2,549 | 436,899 | |
| 2020 | 373,866 | 13,303 | 5,032 | 2,513 | 394,714 | |
| 2019 | 386,683 | 5,440 | 5,338 | 2,987 | 400,449 | |
| 2018 | 483,736 | 3,816 | 4,823 | 4,042 | 496,417 | |
| 2017 | 524,800 | 3,927 | 5,051 | 4,112 | 537,890 | |
| 2016 | 492,477 | 10,014 | 5,254 | 4,446 | 512,191 | |
| 2015 | 364,000 | 4,100 | 5,260 | 3,700 | 377,060 | |
| 2014 | 456,000 | 5,300 | 5,100 | 4,000 | 470,400 | |
| 2013 | 428,000 | 5,200 | 5,150 | 4,200 | 442,550 | |
| 2012 | 327,100 | 4,700 | 5,090 | 4,200 | 341,090 | |
| 2011 | 306,000 | 4,500 | 5,080 | 4,805 | 320,385 | |
▎ 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.