Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ST PRODUCTS LLC (DBA WIELAND SMALL TUBE PRODUCTS)
200 OLIPHANT DRIVE, DUNCANSVILLE, PA, 16635
Parent company: WIELAND HOLDINGS INC.
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 | Copper compounds | Nickel compounds | Nickel | Lead | Total (lbs) |
| 2024 | 38 | — | — | 14 | 1 | 53 |
| 2023 | 30 | — | — | 14 | 2 | 46 |
| 2022 | 39 | — | — | 15 | 2 | 56 |
| 2021 | 24 | — | — | 15 | 2 | 41 |
| 2020 | 29 | — | — | 13 | 1 | 43 |
| 2019 | 40 | — | — | 14 | 2 | 56 |
| 2018 | 25 | — | — | 18 | 1 | 44 |
| 2017 | 17 | — | — | 18 | 2 | 37 |
| 2016 | 18 | — | — | 26 | 4 | 48 |
| 2015 | 34 | — | — | 15 | 2 | 52 |
| 2014 | 28 | — | — | 3 | 1 | 32 |
| 2013 | 28 | — | — | 5 | 4 | 36 |
| 2012 | 17 | — | — | 7 | 1 | 25 |
| 2011 | 29 | — | — | 11 | 2 | 42 |
| 2010 | 37 | — | — | 10 | 2 | 49 |
| 2009 | 7 | — | — | 5 | 1 | 13 |
| 2008 | 14 | — | — | 4 | 1 | 19 |
| 2007 | 17 | — | — | 13 | 3 | 33 |
| 2006 | 38 | — | — | 6 | 9 | 53 |
| 2005 | 71 | — | — | 11 | 6 | 88 |
| 2004 | 95 | — | — | 50 | — | 145 |
| 1991 | — | 250 | 250 | — | — | 500 |
| 1990 | — | 250 | 250 | — | — | 500 |
| 1989 | — | 250 | 250 | — | — | 500 |
| 1988 | — | — | — | 250 | — | 250 |
| 1987 | 250 | — | — | — | — | 250 |
▎ 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.