Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTH AMERICAN SHIPBUILDING LLC-LAROSE SHIPYARD
800 INDUSTRIAL PARK RD, LAROSE, LA, 70373
Parent company: NA
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 | Xylene (mixed isomers) | Zinc compounds | n-Butyl alcohol | Zinc (fume or dust) | Ethylbenzene | Total (lbs) |
| 2024 | 10,952 | — | — | — | — | 10,972 |
| 2023 | 15,190 | — | — | 0 | — | 15,272 |
| 2022 | 17,439 | 267 | 11,995 | — | — | 29,745 |
| 2021 | — | — | — | — | — | 24 |
| 2020 | 7,374 | 149 | — | 0 | — | 7,587 |
| 2019 | 10,195 | 333 | — | 0 | — | 10,570 |
| 2018 | 8,469 | — | — | — | — | 8,503 |
| 2017 | 7,508 | 269 | — | — | — | 7,873 |
| 2016 | 6,744 | — | — | 0 | — | 6,839 |
| 2015 | 19,678 | 384 | — | — | — | 20,213 |
| 2014 | 23,284 | 535 | — | 1 | — | 24,055 |
| 2013 | 28,451 | 673 | 7,029 | 0 | — | 36,388 |
| 2012 | 42,410 | — | 9,320 | — | 7,544 | 61,068 |
| 2011 | 32,475 | — | 10,902 | — | — | 45,009 |
| 2010 | 37,800 | — | 13,000 | — | 6,250 | 58,752 |
| 2009 | 21,669 | — | 6,517 | — | 3,990 | 33,964 |
| 2008 | 34,299 | 63,193 | — | 57,804 | — | 156,506 |
| 2007 | 32,163 | — | — | — | — | 32,163 |
| 2006 | 15,831 | 10,677 | — | — | — | 26,508 |
| 2005 | 12,957 | — | — | — | — | 31,772 |
| 1999 | 5,600 | 250 | 6,700 | — | 6,400 | 18,950 |
▎ 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.