Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
11911 ADVANCED MATERIALS RD, NEW IBERIA, LA, 70560
Parent company: HELLMA MATERIALS US
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Selenium compounds | Zinc compounds | Hydrogen sulfide | Selenium | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 8 | 381 | — | — | 389 |
| 2023 | — | 8 | 381 | — | — | 390 |
| 2022 | — | 12 | 381 | — | — | 394 |
| 2021 | — | 20 | 381 | — | — | 401 |
| 2020 | — | 10 | — | — | — | 10 |
| 2019 | — | 88 | — | — | — | 88 |
| 2018 | — | 24 | — | — | — | 24 |
| 2017 | — | 21 | — | — | — | 21 |
| 2016 | 437 | 6 | 415 | — | — | 858 |
| 2015 | 749 | 0 | 425 | — | 43 | 1,218 |
| 2014 | 1,124 | 3 | 432 | — | 25 | 1,585 |
| 2013 | 1,079 | 2,432 | — | — | 31 | 3,542 |
| 2012 | 1,075 | 808 | — | — | 19 | 1,902 |
| 2011 | 1,115 | 14 | — | — | — | 1,129 |
| 2010 | 1,112 | 11 | — | — | — | 1,123 |
| 2009 | 1,195 | 5 | — | — | — | 1,200 |
| 2008 | 1,203 | 24 | — | — | — | 1,227 |
| 2007 | 1,204 | 64 | — | — | — | 1,268 |
| 2006 | 2,589 | 32 | — | — | — | 2,621 |
| 2005 | 3,020 | — | — | — | — | 3,020 |
| 2004 | 1,522 | 1 | — | — | — | 1,523 |
| 2003 | 21 | 29 | — | — | — | 50 |
| 2002 | 20 | 107 | — | — | — | 128 |
| 2001 | 20 | 6 | — | — | — | 26 |
| 2000 | 192 | 12 | — | — | — | 204 |
| 1999 | 217 | 83 | — | — | — | 300 |
| 1998 | 27 | 202 | — | — | — | 229 |
| 1997 | 32 | 218 | — | — | — | 250 |
| 1996 | 262 | 300 | — | — | — | 562 |
| 1995 | 61 | 199 | — | — | — | 260 |
| 1994 | 55 | 278 | — | 68 | — | 401 |
| 1993 | 56 | 273 | — | 60 | — | 389 |
| 1992 | 19 | 367 | — | 6 | — | 392 |
| 1991 | 15 | 500 | — | 5 | — | 520 |
| 1990 | 251 | 290 | — | — | — | 541 |
| 1989 | 500 | 500 | — | — | — | 1,000 |