Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PROTO CAST INC
2699 JOHN DALY ST, INKSTER, MI, 48141
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
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 | Copper | Lead | Total (lbs) | |||
| 2024 | 30 | 0 | 30 | |||
| 2023 | 33 | 0 | 33 | |||
| 2022 | 51 | 0 | 51 | |||
| 2021 | 43 | 0 | 43 | |||
| 2020 | 55 | 0 | 55 | |||
| 2019 | 55 | 0 | 55 | |||
| 2018 | 36 | 0 | 36 | |||
| 2017 | 72 | 0 | 72 | |||
| 2016 | 62 | 0 | 62 | |||
| 2015 | 52 | 0 | 52 | |||
| 2014 | 38 | 0 | 38 | |||
| 2013 | 38 | 0 | 38 | |||
| 2012 | 44 | 0 | 44 | |||
| 2011 | 36 | 0 | 36 | |||
| 2010 | 24 | 0 | 24 | |||
▎ 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.