Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US GYPSUM CO
1 WOODLAWN RD, ALIQUIPPA, PA, 15001
Parent company: NA
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 | Mercury compounds | Mercury And Mercury Compounds | Lead compounds | Lead And Lead Compounds | Total (lbs) | |
| 2024 | — | 40 | — | 1 | 41 | |
| 2023 | — | 40 | — | 1 | 40 | |
| 2022 | — | 32 | — | 1 | 33 | |
| 2021 | — | 32 | — | 1 | 33 | |
| 2020 | — | 27 | — | 1 | 27 | |
| 2019 | — | 27 | — | 1 | 28 | |
| 2018 | 22 | — | 1 | — | 23 | |
| 2017 | 23 | — | 0 | — | 23 | |
| 2016 | 23 | — | 1 | — | 24 | |
| 2015 | 17 | — | 1 | — | 18 | |
| 2014 | 21 | — | 1 | — | 22 | |
| 2013 | 15 | — | 1 | — | 16 | |
| 2012 | 25 | — | 1 | — | 25 | |
| 2011 | 21 | — | 1 | — | 22 | |
| 2010 | 27 | — | 1 | — | 28 | |
| 2009 | 43 | — | 1 | — | 43 | |
| 2008 | 58 | — | 0 | — | 58 | |
| 2007 | 77 | — | 0 | — | 77 | |
| 2006 | 83 | — | 0 | — | 83 | |
| 2005 | 88 | — | 0 | — | 88 | |
| 2004 | 105 | — | 0 | — | 105 | |
| 2003 | 92 | — | 0 | — | 92 | |
| 2002 | 82 | — | 0 | — | 82 | |
| 2001 | 70 | — | 0 | — | 70 | |
| 2000 | 104 | — | — | — | 104 | |
▎ 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.