Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SYNTECH CHEMICALS INC
14822 HOOPER RD, HOUSTON, TX, 77047
Parent company: NA
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 | Methanol | n-Butyl alcohol | Cyclohexane | 1,2,4-Trimethylbenzene | Xylene (mixed isomers) | Total (lbs) |
| 2024 | 3 | 451 | 215 | 166 | 116 | 1,040 |
| 2023 | 2 | 450 | 214 | 164 | 114 | 1,032 |
| 2022 | 305 | 6 | 235 | 16 | 38 | 649 |
| 2021 | 83 | 32 | 56 | 7 | 17 | 199 |
| 2020 | 113 | 12 | 64 | 5 | 10 | 208 |
| 2019 | 6 | — | — | — | — | 7 |
| 2018 | 57 | — | — | — | — | 61 |
| 2017 | 89 | — | — | — | — | 90 |
| 2016 | 102 | — | — | — | — | 103 |
| 2015 | 140 | — | — | — | — | 141 |
| 2014 | 72 | — | — | — | — | 72 |
| 2013 | 60 | — | — | — | — | 60 |
| 2012 | 70 | — | — | — | — | 70 |
| 2011 | 250 | — | — | — | — | 250 |
| 2010 | 250 | — | — | — | — | 250 |
| 2009 | 250 | — | — | — | — | 250 |
| 2008 | 250 | — | — | — | — | 250 |
| 2007 | 250 | — | — | — | — | 250 |
| 2006 | 250 | — | — | — | — | 250 |
| 2004 | 3,476 | — | — | — | — | 3,476 |
| 2003 | 3,280 | — | — | — | — | 3,280 |
| 2002 | 7,539 | — | — | — | — | 7,539 |
| 2001 | 3,565 | — | — | — | — | 3,565 |
| 2000 | 179,446 | — | — | — | — | 179,446 |
| 1999 | 198,727 | — | — | — | — | 198,727 |
| 1998 | 886 | — | — | — | — | 886 |
| 1997 | 1,820 | — | — | — | — | 1,820 |
| 1996 | 1,380 | — | — | — | — | 1,380 |
| 1995 | 1,820 | — | — | — | — | 1,820 |
| 1994 | 1,420 | — | — | — | — | 1,420 |
▎ 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.