Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STUPP CORP
12555 RONALDSON RD, BATON ROUGE, LA, 70807
Parent company: STUPP BROTHERS INC
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 | Toluene | Manganese compounds | Xylene (mixed isomers) | Manganese | Chromium | Total (lbs) |
| 2022 | — | — | — | 3 | — | 3 |
| 2021 | — | — | — | 3 | — | 3 |
| 2020 | — | — | — | 53 | 6 | 59 |
| 2019 | — | — | — | 160 | 18 | 178 |
| 2018 | — | — | — | 48 | 6 | 54 |
| 2017 | — | — | — | 3 | — | 3 |
| 2016 | — | — | — | 2 | — | 2 |
| 2015 | — | — | — | 5 | — | 5 |
| 2011 | — | — | — | 5 | — | 5 |
| 2009 | — | — | — | 1 | — | 1 |
| 2008 | 4,500 | 60 | 500 | — | — | 5,060 |
| 2007 | — | 205 | 440 | — | — | 645 |
| 2006 | — | 205 | — | — | — | 205 |
| 2005 | — | 20 | — | — | — | 20 |
| 2004 | — | 27 | — | — | — | 27 |
| 2003 | — | 28 | — | — | — | 28 |
| 2002 | — | 16 | — | — | — | 16 |
| 2001 | — | 41 | — | — | — | 41 |
| 1999 | — | 20 | — | — | — | 20 |
| 1998 | — | 52 | — | — | — | 52 |
| 1997 | — | 16 | — | — | — | 16 |
| 1996 | — | 63 | — | — | — | 63 |
| 1995 | — | 71 | — | — | — | 71 |
| 1994 | — | 47 | — | — | — | 47 |
| 1993 | — | 53 | — | — | — | 53 |
| 1992 | — | 40 | — | — | — | 40 |
| 1991 | — | 110 | — | — | — | 110 |
| 1990 | — | 80 | — | — | — | 80 |
| 1989 | — | 80 | — | — | — | 80 |
| 1988 | — | 75 | — | — | — | 75 |
| 1987 | — | 96 | — | — | — | 96 |
▎ 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.