Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HUMPHREY PRODUCTS CO
5070 EAST N AVE, KALAMAZOO, MI, 49048
Parent company: HUMPHREY PRODUCTS CO
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 | Copper | Zinc compounds | Copper compounds | Lead compounds | Total |
|---|---|---|---|---|---|
| 2024 | 10 | — | — | — | 10 |
| 2023 | 10 | — | — | — | 10 |
| 2022 | 256 | — | — | — | 256 |
| 2021 | 260 | — | — | — | 260 |
| 2020 | 260 | — | — | — | 260 |
| 2019 | 250 | — | — | — | 250 |
| 2018 | 451 | — | — | — | 451 |
| 2017 | 372 | — | — | — | 372 |
| 2016 | 400 | — | — | — | 400 |
| 2015 | 424 | — | — | — | 424 |
| 2014 | 433 | — | — | — | 433 |
| 2013 | 473 | — | — | — | 473 |
| 2012 | 440 | — | — | — | 440 |
| 2011 | 453 | — | — | — | 453 |
| 2010 | 432 | — | — | — | 432 |
| 2009 | 319 | — | — | — | 319 |
| 2008 | 463 | — | — | — | 463 |
| 2007 | — | 2 | 3 | — | 5 |
| 2006 | — | 2 | 4 | — | 6 |
| 2005 | — | 1 | 3 | — | 4 |
| 2004 | — | 3 | 1 | 0 | 4 |
| 2003 | — | 4 | 2 | — | 6 |
| 2002 | — | 5 | 5 | 0 | 10 |
| 2001 | — | 10 | 10 | 0 | 20 |
| 2000 | — | 5 | 2 | — | 7 |
| 1999 | — | 6 | 3 | — | 9 |
| 1998 | — | 9 | 5 | — | 14 |
| 1997 | — | 9 | 5 | — | 14 |
| 1996 | — | 6 | 4 | — | 10 |