Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
4901 LANGLEY RD, HOUSTON, TX, 77093
Parent company: MERCHANTS METALS LLC
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 | Zinc compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Zinc (fume or dust) | Lead compounds | Lead And Lead Compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | 3,473 | — | — | 56 | — | 3,529 |
| 2023 | 3,005 | — | — | 49 | — | 3,054 |
| 2022 | 967 | — | — | 8 | — | 975 |
| 2021 | 4,059 | — | — | 40 | — | 4,099 |
| 2020 | 2,612 | — | — | — | 38 | 2,650 |
| 2019 | 1,845 | — | — | — | 5 | 1,850 |
| 2018 | 1,469 | — | — | — | 23 | 1,492 |
| 2017 | 6,761 | — | — | 106 | — | 6,867 |
| 2016 | 2,111 | — | — | 36 | — | 2,147 |
| 2015 | 1,247 | — | — | 34 | — | 1,281 |
| 2014 | 1,301 | — | — | 14 | — | 1,315 |
| 2013 | 803 | — | — | 12 | — | 815 |
| 2012 | 161 | — | — | 7 | — | 168 |
| 2011 | 1,132 | — | — | 10 | — | 1,142 |
| 2010 | 1,390 | — | — | 10 | — | 1,400 |
| 2009 | 605 | — | — | 5 | — | 610 |
| 2008 | 1,007 | 1,026 | — | 5 | — | 2,038 |
| 2007 | 867 | 1,075 | — | 5 | — | 1,947 |
| 2006 | 422 | 1,411 | — | 17 | — | 1,850 |
| 2005 | 314 | 540 | — | 5 | — | 859 |
| 2004 | 107 | 341 | — | 1 | — | 449 |
| 2003 | 93 | 1,029 | — | 2 | — | 1,124 |
| 2002 | 166 | 407 | — | 2 | — | 575 |
| 2001 | 61 | 413 | — | 2 | — | 476 |
| 2000 | 98 | 809 | — | 5 | — | 912 |
| 1999 | 112 | 706 | — | 5 | — | 823 |
| 1998 | 100 | 489 | — | 4 | — | 593 |
| 1997 | 84 | 508 | — | — | — | 592 |
| 1996 | 86 | 364 | — | 4 | — | 454 |
| 1995 | 80 | 432 | — | 4 | — | 516 |
| 1994 | 96 | 598 | — | 1 | — | 695 |
| 1993 | 72 | 540 | — | — | — | 612 |
| 1992 | 69 | 414 | — | — | — | 483 |
| 1991 | 60 | 687 | — | — | — | 747 |
| 1990 | — | 750 | 250 | — | — | 1,000 |
| 1989 | — | 207 | 3,283 | — | — | 3,490 |
| 1988 | — | 3,900 | — | — | — | 3,900 |