Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OSCO INDUSTRIES INC PORTSMOUTH DIV
11TH & CHILLICOTHE ST, PORTSMOUTH, OH, 45662
Parent company: OSCO INDUSTRIES 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 | Manganese compounds | Lead | Copper compounds | Manganese | Lead compounds | Total (lbs) |
| 2024 | 148 | — | 2 | — | 41 | 191 |
| 2023 | 160 | — | 2 | — | 49 | 211 |
| 2022 | 157 | — | 2 | — | 45 | 204 |
| 2021 | 161 | — | 2 | — | 48 | 211 |
| 2020 | — | — | — | — | — | 144 |
| 2019 | 166 | — | 2 | — | 49 | 217 |
| 2018 | 182 | — | 2 | — | 50 | 234 |
| 2017 | 149 | — | 2 | — | 69 | 220 |
| 2016 | 165 | — | 2 | — | 86 | 253 |
| 2015 | 171 | — | 2 | — | 80 | 253 |
| 2014 | 449 | — | 3 | — | 92 | 543 |
| 2013 | 344 | — | 2 | — | 63 | 409 |
| 2012 | 291 | — | 2 | — | 48 | 341 |
| 2011 | 279 | — | — | — | 48 | 327 |
| 2010 | 410 | 428 | 158 | — | — | 996 |
| 2009 | 245 | 193 | 154 | — | — | 592 |
| 2008 | 15,156 | 181 | 4,365 | — | — | 19,702 |
| 2007 | 328 | 317 | — | — | — | 645 |
| 2006 | 507 | 478 | — | — | — | 985 |
| 2005 | 472 | 494 | — | — | — | 966 |
| 2004 | 479 | 560 | — | — | — | 1,039 |
| 2003 | 508 | 612 | — | — | — | 1,120 |
| 2002 | 479 | 520 | — | — | — | 999 |
| 2001 | 715 | 1,426 | — | — | — | 2,141 |
| 2000 | 505 | — | — | — | — | 505 |
| 1999 | 505 | — | — | — | — | 515 |
| 1998 | 750 | — | — | — | — | 750 |
| 1997 | 750 | — | — | — | — | 750 |
| 1996 | 750 | — | — | — | — | 750 |
| 1995 | 750 | — | — | — | — | 765 |
| 1994 | 750 | — | — | — | — | 765 |
| 1993 | 500 | — | — | — | — | 510 |
| 1992 | 500 | — | — | — | — | 510 |
| 1991 | 500 | — | — | — | — | 1,000 |
| 1990 | — | — | — | 500 | — | 500 |
| 1989 | — | — | — | 750 | — | 1,000 |
| 1988 | — | — | — | 750 | — | 750 |
▎ 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.