Year-over-year total releases
Reported on-site TRI releases in pounds, 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 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 | Mercury compounds | Mercury And Mercury Compounds | Lead compounds | Lead And Lead Compounds | Total |
|---|---|---|---|---|---|
| 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 |