Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DRILLING SPECIALTIES CO ALAMO PLANT
5450 JEFFERSON CHEMICAL RD, CONROE, TX, 77301
Parent company: CHEVRON PHILLIPS CHEMICAL CO LLC
Carcinogen
PBT
— 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 | n-Hexane | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Polycyclic aromatic compounds | Toluene | Ethylbenzene | Total (lbs) |
| 2016 | — | — | 0 | — | — | 0 |
| 2015 | — | — | 30 | — | — | 30 |
| 2014 | — | — | 32 | — | — | 32 |
| 2013 | — | — | 57 | — | — | 57 |
| 2012 | — | — | 170 | — | — | 170 |
| 2011 | — | — | 170 | — | — | 170 |
| 2010 | — | — | 166 | — | — | 166 |
| 2009 | — | — | 160 | — | — | 160 |
| 2008 | — | — | 178 | — | — | 178 |
| 2007 | — | — | 172 | — | — | 172 |
| 2006 | — | — | 166 | — | — | 166 |
| 2005 | — | — | — | — | — | 172 |
| 2004 | — | — | — | — | — | 162 |
| 2003 | 10,704 | — | — | — | — | 10,704 |
| 2002 | 24,897 | — | — | — | — | 24,897 |
| 2001 | 38,840 | — | 0 | — | — | 38,840 |
| 2000 | 48,749 | — | 0 | — | — | 48,749 |
| 1999 | 21,590 | — | — | — | — | 21,590 |
| 1998 | 820 | — | — | — | — | 820 |
| 1997 | 920 | — | — | — | — | 920 |
| 1996 | 802 | — | — | — | — | 802 |
| 1995 | 4,930 | — | — | — | — | 4,930 |
| 1994 | — | 7 | — | — | — | 7 |
| 1993 | — | 6 | — | — | — | 6 |
| 1992 | — | 115 | — | — | — | 115 |
| 1991 | — | 107 | — | — | — | 107 |
| 1990 | — | 192 | — | 60 | — | 252 |
| 1989 | — | 141 | — | 960 | — | 1,111 |
| 1988 | — | 750 | — | — | 500 | 1,500 |
▎ 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.