Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MONUMENT CHEMICAL BAYTOWN LLC
5501 BAKER RD, BAYTOWN, TX, 77520
Parent company: MONUMENT CHEMICAL LLC
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 | Naphthalene | n-Butyl alcohol | Biphenyl | Butyraldehyde | Propionaldehyde | Total (lbs) |
| 2024 | 859 | — | — | — | — | 1,590 |
| 2023 | 1,580 | — | — | — | — | 2,397 |
| 2022 | 1,948 | — | 0 | — | — | 2,739 |
| 2021 | 2,288 | — | 0 | — | — | 4,589 |
| 2020 | 1,821 | — | — | — | — | 2,735 |
| 2019 | 1,663 | — | — | — | — | 1,691 |
| 2018 | 1,793 | — | — | — | — | 1,821 |
| 2017 | 2,087 | — | — | — | — | 2,321 |
| 2016 | 2,269 | — | — | — | — | 2,546 |
| 2015 | 2,459 | — | 0 | — | — | 2,719 |
| 2014 | 6,337 | — | 19 | — | — | 6,655 |
| 2013 | 8,993 | 1,361 | — | 972 | — | 11,564 |
| 2012 | 6,065 | 999 | — | 429 | — | 8,886 |
| 2011 | 3,174 | 941 | — | — | — | 5,409 |
| 2010 | 4,203 | 1,342 | — | 378 | — | 6,972 |
| 2009 | 6,569 | 2,641 | — | 543 | — | 10,815 |
| 2008 | 4,111 | 2,450 | — | 1,041 | — | 8,557 |
| 2007 | 4,158 | 1,000 | — | — | 1,000 | 6,913 |
| 2006 | 8,327 | 1,500 | — | — | 1,500 | 11,837 |
| 2005 | 6,105 | 1,296 | — | — | — | 7,656 |
| 2004 | 3,907 | 1,005 | — | — | — | 5,172 |
| 2003 | 4,725 | 989 | — | — | — | 5,714 |
| 2002 | 3,071 | 3,071 | — | 505 | — | 7,147 |
| 2001 | 4,345 | 3,071 | — | 510 | — | 8,426 |
| 2000 | 13,802 | 1,874 | — | 510 | — | 17,196 |
| 1999 | 8,456 | 2,206 | — | 1,005 | — | 12,667 |
| 1998 | 6,101 | 13,734 | — | 7,309 | 1,557 | 30,085 |
| 1997 | 7,773 | 4,754 | — | 8,204 | 1,611 | 23,700 |
| 1996 | 26,693 | 5,290 | — | 19,737 | 8,295 | 62,397 |
| 1995 | 20,899 | 5,392 | — | 17,056 | 5,326 | 52,141 |
| 1994 | 17,445 | 11,601 | — | 11,785 | 26,029 | 68,132 |
| 1993 | 52,169 | 50,955 | — | 1,754 | 2,911 | 109,829 |
| 1992 | 73,159 | 50,955 | — | 1,754 | 2,911 | 130,819 |
| 1991 | 28,627 | 45,171 | — | 12,784 | — | 112,989 |
| 1990 | 42,902 | 8,412 | 73,265 | 1,005 | 1,000 | 159,284 |
| 1989 | 30,367 | 10,683 | 33,579 | 1,250 | 1,000 | 119,261 |
| 1988 | — | — | — | — | 1,000 | 33,013 |
| 1987 | 23,129 | 12,239 | — | 624 | — | 63,224 |
▎ 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.