Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TWIN CITY TANNING CO LLP
501 MALDEN ST, SOUTH SAINT PAUL, MN, 55075
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 | Ammonia | Formic acid | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) | ||
| 2023 | 8,647 | — | — | 8,647 | ||
| 2022 | 9,607 | — | — | 9,607 | ||
| 2021 | 14,647 | — | — | 14,647 | ||
| 2020 | 9,982 | — | — | 9,982 | ||
| 2019 | 11,715 | — | — | 11,715 | ||
| 2018 | 13,881 | — | — | 13,881 | ||
| 2017 | 14,783 | — | — | 14,783 | ||
| 2016 | 14,435 | — | — | 14,435 | ||
| 2015 | 12,902 | — | — | 12,902 | ||
| 2014 | 16,788 | — | — | 16,788 | ||
| 2013 | 13,147 | — | — | 13,147 | ||
| 2012 | 16,973 | — | — | 16,973 | ||
| 2011 | 21,731 | — | — | 21,731 | ||
| 2010 | 22,581 | — | — | 22,581 | ||
| 2009 | 19,675 | — | — | 19,675 | ||
| 2008 | 28,425 | 17 | — | 28,442 | ||
| 2007 | 23,506 | 10 | — | 23,516 | ||
| 2006 | 20,958 | 16 | — | 20,974 | ||
| 2005 | 18,354 | 12 | — | 18,366 | ||
| 2004 | 21,439 | — | — | 21,439 | ||
| 2003 | 22,390 | — | — | 22,390 | ||
| 2002 | 11,792 | — | — | 11,792 | ||
| 2001 | 2,435 | — | — | 2,435 | ||
| 2000 | 20,420 | — | — | 20,420 | ||
| 1999 | 17,960 | — | — | 17,960 | ||
| 1998 | 3,510 | — | — | 3,510 | ||
| 1997 | 3,546 | — | — | 3,546 | ||
| 1996 | 2,735 | — | — | 2,735 | ||
| 1995 | 2,919 | — | — | 2,919 | ||
| 1994 | 3,391 | — | — | 3,391 | ||
| 1993 | 14,312 | — | — | 14,312 | ||
| 1992 | 14,089 | — | — | 14,089 | ||
| 1991 | 134,788 | — | — | 134,788 | ||
| 1990 | 113,718 | — | — | 113,718 | ||
| 1989 | 8,681 | — | 2 | 8,683 | ||
▎ 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.