Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHR HANSEN INC
9015 W MAPLE ST, MILWAUKEE, WI, 53214
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 | Methanol | Acetone | Ammonia | n-Hexane | Phosphoric acid | Total (lbs) |
| 2024 | — | — | 503 | — | — | 503 |
| 2023 | — | — | 428 | — | — | 428 |
| 2022 | — | — | 531 | — | — | 531 |
| 2021 | — | — | 490 | — | — | 490 |
| 2020 | — | — | 458 | — | — | 458 |
| 2019 | — | — | 502 | — | — | 502 |
| 2018 | — | — | 679 | — | — | 679 |
| 2017 | — | — | 594 | — | — | 594 |
| 2016 | — | — | 580 | — | — | 580 |
| 2015 | — | — | 551 | — | — | 551 |
| 2014 | — | — | 484 | — | — | 484 |
| 2013 | — | — | 417 | — | — | 417 |
| 2012 | — | — | 500 | — | — | 500 |
| 2011 | — | — | 413 | — | — | 413 |
| 2010 | — | — | 787 | — | — | 787 |
| 1999 | 425 | — | — | — | — | 425 |
| 1998 | 2,767 | — | — | 837 | — | 3,604 |
| 1997 | 2,900 | — | — | — | 250 | 3,150 |
| 1996 | 7,000 | — | — | 250 | — | 7,250 |
| 1995 | 3,900 | — | — | — | — | 3,900 |
| 1994 | 3,700 | — | — | — | — | 3,700 |
| 1992 | 9,500 | — | — | — | — | 9,500 |
| 1991 | 7,700 | — | — | — | — | 7,700 |
| 1990 | 5,160 | 9,422 | — | — | — | 14,582 |
| 1989 | 6,158 | — | — | — | — | 6,158 |
| 1988 | 7,470 | — | — | — | — | 7,470 |
▎ 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.