Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LONE STAR HEAT TREATING CORP
3939 BLAFFER ST, HOUSTON, TX, 77026
Parent company: NA
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 | Ammonia | Total (lbs) | |||
| 2024 | 125 | — | 125 | |||
| 2023 | 174 | — | 174 | |||
| 2022 | 152 | — | 152 | |||
| 2021 | 103 | — | 103 | |||
| 2020 | 91 | — | 91 | |||
| 2019 | 198 | — | 198 | |||
| 2018 | 194 | — | 194 | |||
| 2017 | 171 | 95 | 266 | |||
| 2016 | 173 | 1,065 | 1,238 | |||
| 2015 | 202 | 1,050 | 1,252 | |||
| 2014 | 267 | 1,560 | 1,827 | |||
| 2013 | 165 | 5 | 170 | |||
| 2012 | 250 | 5 | 255 | |||
| 2011 | 5 | — | 5 | |||
| 2010 | 5 | — | 5 | |||
| 2009 | 5 | — | 5 | |||
| 2008 | 5 | 5 | 10 | |||
| 2007 | 5 | 5 | 10 | |||
| 2006 | 5 | 5 | 10 | |||
| 2005 | 5 | 5 | 10 | |||
| 2004 | 5 | 5 | 10 | |||
| 2003 | 5 | 5 | 10 | |||
| 2002 | 5 | 5 | 10 | |||
| 2001 | 5 | 5 | 10 | |||
| 2000 | 5 | 5 | 10 | |||
| 1999 | 10 | — | 10 | |||
| 1998 | 5 | — | 5 | |||
| 1997 | 5 | — | 5 | |||
| 1996 | 10 | — | 10 | |||
| 1995 | 500 | — | 500 | |||
| 1994 | 998 | — | 998 | |||
| 1993 | 998 | — | 998 | |||
| 1992 | 500 | — | 500 | |||
| 1991 | 998 | — | 998 | |||
| 1990 | 500 | — | 500 | |||
| 1989 | 500 | — | 500 | |||
▎ 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.