Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SURFACE TREATMENT & INSPECTION (ST&I) INC.
7517 JEFFERSON ST, PARAMOUNT, CA, 90723
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 | Nitric acid | Sodium hydroxide (solution) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Total (lbs) | |
| 2021 | 2,650 | — | — | — | 2,650 | |
| 2020 | 2,650 | — | — | — | 2,650 | |
| 2019 | 2,842 | — | — | — | 2,842 | |
| 2018 | 2,842 | — | — | 10 | 2,852 | |
| 2017 | 2,842 | — | — | 10 | 2,852 | |
| 2016 | 2,842 | — | — | 10 | 2,852 | |
| 2015 | 2,842 | — | — | 10 | 2,852 | |
| 2014 | 2,842 | — | — | 10 | 2,852 | |
| 2013 | 2,842 | — | — | 10 | 2,852 | |
| 2012 | 2,842 | — | — | 10 | 2,852 | |
| 2011 | 2,842 | — | — | 10 | 2,852 | |
| 2010 | 2,842 | — | — | 10 | 2,852 | |
| 2009 | 2,842 | — | — | — | 2,842 | |
| 2008 | 2,842 | — | — | — | 2,842 | |
| 2007 | 2,842 | — | — | — | 2,842 | |
| 2006 | 2,842 | — | — | — | 2,842 | |
| 2005 | 2,842 | — | — | — | 2,842 | |
| 2004 | 2,842 | — | — | — | 2,842 | |
| 2003 | 2,842 | — | — | — | 2,842 | |
| 2002 | 2,842 | — | — | — | 2,842 | |
| 2001 | 2,842 | — | — | — | 2,842 | |
| 2000 | 2,842 | — | — | — | 2,842 | |
| 1999 | 2,842 | — | — | — | 2,842 | |
| 1998 | 2,842 | — | — | — | 2,842 | |
| 1997 | 2,842 | — | — | — | 2,842 | |
| 1996 | 2,842 | — | — | — | 2,842 | |
| 1995 | 2,842 | — | — | — | 2,842 | |
| 1994 | 2,842 | — | — | — | 2,842 | |
| 1993 | 2,842 | — | — | — | 2,842 | |
| 1992 | 2,842 | — | — | — | 2,842 | |
| 1991 | 2,842 | — | — | — | 2,842 | |
| 1990 | 2,650 | — | — | — | 2,650 | |
| 1989 | 2,650 | — | 250 | — | 2,900 | |
| 1988 | 2,650 | 750 | — | — | 3,400 | |
▎ 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.