Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MAIN STEEL POLISHING CO.
6 WHITNEY DRIVE, HARMONY, PA, 16037
Parent company: SAMUEL SON & CO
Carcinogen
— 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 | Chromium | Nickel | Manganese | Cobalt | Copper | Total (lbs) |
| 2024 | 10 | 10 | 10 | 10 | 10 | 50 |
| 2023 | 10 | 10 | 10 | 10 | 10 | 50 |
| 2022 | 10 | 10 | 10 | 10 | 10 | 50 |
| 2021 | 10 | 10 | 10 | 10 | 10 | 50 |
| 2020 | 20 | 10 | 2 | 0 | 0 | 33 |
| 2019 | 20 | 10 | 2 | 0 | 0 | 33 |
| 2018 | 20 | 10 | 2 | 0 | 0 | 33 |
| 2017 | 21 | 10 | 2 | 0 | 0 | 34 |
| 2016 | 21 | 8 | 18 | 2 | — | 49 |
| 2015 | 82 | 10 | 15 | — | — | 107 |
| 2014 | 62 | 15 | 17 | — | — | 94 |
| 2013 | 10 | 10 | 2 | — | 1 | 23 |
| 2012 | 5 | 4 | 1 | — | 0 | 10 |
| 2011 | 3 | 2 | 1 | — | — | 5 |
| 2010 | 3 | 2 | — | — | — | 5 |
| 2009 | 3 | 1 | — | — | — | 4 |
| 2008 | 3 | 1 | — | — | — | 4 |
| 2007 | 2 | 1 | — | — | — | 3 |
| 2006 | 3 | 2 | — | — | — | 4 |
| 2005 | 5 | 2 | 1 | — | — | 8 |
▎ 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.