Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
RITCHEY METALS CO INC
30 GEORGETOWN RD, CANONSBURG, PA, 15317
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 | Aluminum (fume or dust) | Zinc (fume or dust) | Zinc compounds | Copper | Copper compounds | Total (lbs) |
| 2024 | 7,272 | 2,240 | — | 8 | — | 9,521 |
| 2023 | 7,272 | 2,240 | — | 9 | — | 9,523 |
| 2022 | 7,272 | 2,240 | — | 18 | — | 9,537 |
| 2021 | 7,272 | 2,240 | — | 7 | — | 9,520 |
| 2020 | 8,340 | 2,701 | — | 6 | — | 11,047 |
| 2019 | 7,003 | 2,284 | — | 6 | — | 9,294 |
| 2018 | 5,760 | 2,605 | — | 5 | — | 8,371 |
| 2017 | 6,502 | 2,546 | — | 6 | — | 9,054 |
| 2016 | 4,271 | 1,844 | — | 15 | — | 6,130 |
| 2015 | 3,733 | 1,789 | — | 24 | — | 5,546 |
| 2014 | 3,443 | 1,878 | — | 22 | — | 5,343 |
| 2013 | 3,244 | 1,268 | — | 12 | — | 4,525 |
| 2012 | 2,968 | 1,860 | — | 23 | — | 4,852 |
| 2011 | 3,438 | 1,511 | — | 23 | — | 4,973 |
| 2010 | 2,305 | 1,877 | — | 20 | — | 4,203 |
| 2009 | 2,403 | 1,729 | — | 16 | — | 4,149 |
| 2008 | 2,414 | 2,271 | — | 31 | — | 4,717 |
| 2007 | 1,135 | 2,438 | — | 12 | — | 3,585 |
| 2006 | 1,292 | 2,775 | — | 13 | — | 4,081 |
| 2005 | 1,238 | 2,661 | — | 13 | — | 3,913 |
| 2004 | 1,315 | 2,830 | — | 13 | — | 4,159 |
| 2003 | 1,440 | — | 3,106 | — | 14 | 4,561 |
| 2002 | 1,440 | — | 3,106 | — | 14 | 4,561 |
| 2001 | 1,440 | — | 3,105 | — | 14 | 4,560 |
▎ 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.