Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HALTER MARINE INC.
6130 HWY. 308, LOCKPORT, LA, 70374
Parent company: TRINITY INDUSTRIES INC
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 | Xylene (mixed isomers) | Toluene | Zinc compounds | Ethylene glycol | Methyl ethyl ketone | Total (lbs) |
| 1995 | 4,421 | — | — | — | 3,238 | 7,659 |
| 1994 | 24,398 | — | — | — | 8,987 | 33,635 |
| 1993 | 27,250 | 15,622 | — | — | — | 60,157 |
| 1992 | 11,983 | 9,545 | 12,844 | 20,854 | — | 55,226 |
| 1991 | 27,196 | 9,840 | 10,095 | — | — | 56,861 |
| 1989 | 1,200 | — | — | — | 7,920 | 11,824 |
▎ 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.