Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
US BORAX INC.
300 FALCON ST, WILMINGTON, CA, 90744
Parent company: RIO TINTO AMERICA INC
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Zinc compounds | Zinc (fume or dust) | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Total |
|---|---|---|---|---|---|---|
| 2024 | 1,438 | — | — | — | — | 1,438 |
| 2023 | 1,343 | — | — | — | — | 1,343 |
| 2022 | 1,466 | — | — | — | — | 1,466 |
| 2021 | 1,610 | — | — | — | — | 1,610 |
| 2020 | 1,589 | — | — | — | — | 1,589 |
| 2019 | 1,603 | — | — | — | — | 1,603 |
| 2018 | 1,963 | — | — | — | — | 1,963 |
| 2017 | 1,874 | — | — | — | — | 1,874 |
| 2016 | 1,621 | — | — | — | — | 1,621 |
| 2015 | 1,476 | — | — | — | — | 1,476 |
| 2014 | 1,516 | — | — | — | — | 1,516 |
| 2013 | 1,366 | — | — | — | — | 1,366 |
| 2012 | 1,148 | — | — | — | — | 1,148 |
| 2011 | 925 | — | — | — | — | 925 |
| 2010 | 1,303 | — | — | — | — | 1,303 |
| 2009 | 980 | — | — | — | — | 980 |
| 2008 | 1,297 | — | — | — | — | 1,297 |
| 2007 | 1,171 | — | — | — | — | 1,171 |
| 2006 | 2,336 | — | — | — | — | 2,337 |
| 2005 | 2,219 | — | — | — | — | 2,220 |
| 2004 | 1,532 | — | — | — | — | 1,532 |
| 2003 | 596 | — | — | — | — | 596 |
| 2002 | 2,470 | — | — | — | — | 2,470 |
| 2001 | 3,396 | — | — | — | — | 3,396 |
| 2000 | 8,025 | — | — | — | — | 8,025 |
| 1999 | 8,379 | — | — | — | — | 8,379 |
| 1998 | 6,832 | — | — | — | — | 6,832 |
| 1997 | 9,273 | — | — | — | — | 9,273 |
| 1996 | 11,098 | — | — | — | — | 11,098 |
| 1995 | 3,071 | — | — | 5 | — | 3,076 |
| 1994 | 2,927 | — | — | 5 | — | 2,932 |
| 1993 | 2,190 | 6,231 | 255 | 250 | — | 8,926 |
| 1992 | 1,950 | 3,231 | 1,000 | 250 | — | 6,431 |
| 1991 | 1,897 | 6,231 | 1,000 | 250 | — | 9,378 |
| 1990 | 1,764 | 7,623 | 1,000 | 260 | — | 10,647 |
| 1989 | 1,877 | 1,909 | 1,357 | 750 | — | 5,893 |
| 1988 | 3,679 | — | — | 250 | 250 | 4,179 |