Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
QUESTVAPCO CORPORATION
12255 FM 529, HOUSTON, TX, 77041
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 | Dichloromethane | Trichloroethylene | Tetrachloroethylene | Xylene (mixed isomers) | 1,1,1-Trichloroethane | Total (lbs) |
| 2011 | 2,296 | 250 | 1,624 | — | — | 6,002 |
| 2010 | 7,192 | 250 | 1,412 | — | — | 11,972 |
| 2009 | 250 | 1,021 | 250 | — | — | 2,521 |
| 2008 | 4,287 | 750 | 250 | 750 | — | 6,537 |
| 2007 | 7,064 | 750 | 250 | 1,000 | — | 9,314 |
| 2006 | 500 | 7,152 | 709 | 500 | — | 8,871 |
| 2005 | 500 | 1,784 | 1,073 | — | — | 3,546 |
| 2004 | 7,000 | 1,150 | 300 | 3,350 | — | 11,900 |
| 2003 | 2,600 | 485 | 5,900 | 525 | — | 10,760 |
| 2002 | 7,427 | 235 | 5,002 | 174 | — | 14,139 |
| 2001 | — | 203 | — | — | — | 203 |
| 2000 | 500 | 100 | 100 | — | — | 1,000 |
| 1999 | 300 | 2,100 | 100 | — | — | 2,730 |
| 1998 | 400 | 3,600 | 4,400 | — | — | 8,605 |
| 1997 | 1,100 | 4,400 | 1,100 | — | 300 | 7,205 |
| 1996 | 900 | 900 | 700 | — | 1,800 | 4,950 |
| 1995 | 2,900 | 1,100 | 600 | — | 1,900 | 7,250 |
| 1994 | 1,500 | 1,200 | 1,900 | — | 2,200 | 7,200 |
▎ 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.