Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
GRAYMONT (WI) INC.
HILL AVE AT WINTER ST, SUPERIOR, WI, 54880
Parent company: GRAYMONT INC
Carcinogen
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper | Mercury compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Mercury And Mercury Compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | 250,000 | — | — | — | — | 250,001 |
| 2023 | 210,000 | — | — | — | — | 210,001 |
| 2022 | 200,000 | — | — | — | — | 200,001 |
| 2021 | 190,000 | — | — | — | — | 190,001 |
| 2020 | 190,000 | — | — | — | — | 190,001 |
| 2019 | 210,000 | — | — | — | 9 | 210,010 |
| 2018 | 270,000 | — | — | — | 10 | 270,012 |
| 2017 | 299,527 | — | 11 | — | — | 299,539 |
| 2016 | 255,403 | — | 8 | — | — | 255,412 |
| 2015 | 246,712 | — | 8 | — | — | 246,721 |
| 2014 | 238,501 | — | 7 | — | — | 238,509 |
| 2013 | 133,997 | — | 6 | — | — | 134,004 |
| 2012 | 141,228 | — | 7 | — | — | 141,236 |
| 2011 | 137,133 | — | 6 | — | — | 137,140 |
| 2010 | 129,389 | — | 5 | — | — | 129,395 |
| 2009 | 129,182 | — | 5 | — | — | 129,188 |
| 2008 | 122,300 | — | 6 | — | — | 122,306 |
| 2007 | 45,936 | 3,651 | 6 | — | — | 49,594 |
| 2006 | 225,513 | — | — | — | — | 225,515 |
| 2005 | 136,298 | — | — | — | — | 136,300 |
| 2004 | 104,706 | — | — | — | — | 104,708 |
| 2003 | — | — | — | 24 | — | 25 |
| 2002 | — | — | — | — | — | 1 |
| 2001 | — | — | — | — | — | 2 |
| 2000 | — | — | 4 | — | — | 4 |