Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MICROSOURCE LLC
7632 HWY 101, SHAKOPEE, MN, 55379
Parent company: MACROSOURCE LLC
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 | N-Methyl-2-pyrrolidone | Zinc compounds | Manganese And Manganese Compounds | Manganese compounds | Total (lbs) |
| 2024 | 922 | 4,632 | 24 | 7 | — | 5,587 |
| 2023 | 959 | — | 23 | 8 | — | 990 |
| 2022 | 1,071 | — | 49 | 8 | — | 1,128 |
| 2021 | 963 | — | 48 | 6 | — | 1,017 |
| 2020 | 1,216 | — | 48 | — | 4 | 1,268 |
| 2019 | 1,552 | — | 42 | 2 | — | 1,595 |
| 2018 | 4,454 | — | 16 | — | 2 | 4,472 |
| 2017 | 1,168 | — | — | — | — | 1,168 |
| 2016 | 4,900 | — | — | — | — | 4,900 |
| 2015 | 750 | — | 260 | — | — | 1,015 |
| 2014 | 1,000 | — | 260 | — | — | 1,265 |
| 2013 | 1,650 | — | 260 | — | 10 | 1,925 |
| 2012 | 1,250 | — | 260 | — | 10 | 1,525 |
| 2010 | 1,000 | — | — | — | — | 1,000 |
| 2009 | 2,480 | — | — | — | — | 2,480 |
| 2008 | 7,050 | — | — | — | — | 7,050 |
▎ 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.