Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SOUTHWEST UNITED INDUSTRIES INC
422 S ST LOUIS AVE, TULSA, OK, 74120
Parent company: BERKSHIRE HATHAWAY INC
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 | 1,1,1-Trichloroethane | Tetrachloroethylene | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Methyl ethyl ketone | Toluene | Total (lbs) |
| 2019 | — | — | — | — | — | 10 |
| 2018 | — | — | — | — | — | 10 |
| 2017 | — | — | — | — | — | 15 |
| 2016 | — | — | — | — | — | 10 |
| 2015 | — | — | — | — | — | 10 |
| 2014 | — | — | — | — | — | 10 |
| 2013 | — | — | — | — | — | 10 |
| 2012 | — | — | — | — | — | 99 |
| 2011 | — | — | — | — | — | 255 |
| 2010 | — | — | — | — | — | 98 |
| 2009 | — | — | — | — | — | 345 |
| 2008 | — | — | — | — | — | 345 |
| 2007 | — | — | — | — | — | 355 |
| 2006 | — | — | — | — | — | 355 |
| 2005 | — | — | — | — | — | 254 |
| 2004 | — | — | — | — | — | 290 |
| 2003 | — | — | — | — | — | 531 |
| 2002 | — | — | — | — | 5,232 | 5,232 |
| 2001 | — | — | — | — | 4,228 | 4,228 |
| 2000 | — | — | — | — | 4,144 | 4,144 |
| 1998 | — | — | — | — | 1,684 | 1,684 |
| 1996 | — | 1,188 | — | — | — | 1,188 |
| 1995 | — | 4 | 2 | — | — | 6 |
| 1994 | — | 32,900 | 800 | — | — | 33,700 |
| 1993 | — | 17,000 | 8,100 | — | — | 25,100 |
| 1992 | 19,000 | — | 8,300 | — | — | 27,300 |
| 1991 | 20,000 | — | 3,900 | 8,000 | — | 33,800 |
| 1990 | 17,000 | — | 6,400 | — | — | 24,900 |
| 1989 | 12,250 | — | 11,783 | 5,200 | — | 31,987 |
| 1988 | 14,000 | — | 250 | 7,600 | — | 21,850 |
▎ 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.