Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
7500 FOURTH ST, MARRERO, LA, 70072
Parent company: KNIGHT INDUSTRIES LLC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Toluene | Cyclohexane | Lead | Total (lbs) | ||
| 2006 | — | — | 0 | 0 | ||
| 2005 | — | — | 1 | 1 | ||
| 2004 | — | — | 3 | 3 | ||
| 2003 | — | — | 1 | 1 | ||
| 2002 | — | — | 1 | 1 | ||
| 2001 | — | — | 1 | 1 | ||
| 1996 | 6,354 | — | — | 6,354 | ||
| 1995 | 73,928 | — | — | 73,928 | ||
| 1994 | 78,409 | — | — | 78,409 | ||
| 1993 | 72,502 | — | — | 72,502 | ||
| 1992 | 136,742 | — | — | 136,742 | ||
| 1991 | 544,753 | 77,822 | — | 622,575 | ||
| 1990 | 72,751 | — | — | 72,751 | ||
| 1989 | 97,578 | — | — | 97,578 | ||
| 1988 | 144,324 | 178,512 | — | 322,836 | ||
▎ 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.