Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PRESCOR INC.
8901 NEW SAPULPA RD, TULSA, OK, 74131
Parent company: AMERECTOR INC.
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 | Nickel | Manganese | Chromium | Total (lbs) | ||
| 2023 | 5 | 5 | 5 | 15 | ||
| 2022 | 19 | 12 | 34 | 65 | ||
| 2021 | 12 | 9 | 20 | 40 | ||
| 2020 | 5 | 5 | 20 | 30 | ||
| 2019 | 16 | 16 | 15 | 47 | ||
| 2018 | 5 | 5 | 5 | 15 | ||
| 2017 | 5 | 5 | 5 | 15 | ||
| 2016 | 5 | 5 | 2 | 12 | ||
| 2015 | 15 | 15 | 7 | 37 | ||
| 2014 | 18 | 19 | 7 | 44 | ||
| 2013 | 40 | 2 | 11 | 53 | ||
| 2012 | 5 | 5 | 5 | 15 | ||
| 2011 | 5 | 5 | 5 | 15 | ||
| 2010 | 5 | 5 | — | 10 | ||
| 2009 | 17 | 1 | — | 18 | ||
| 2000 | — | 5 | — | 5 | ||
| 1999 | — | 5 | — | 5 | ||
| 1998 | — | 5 | — | 5 | ||
| 1997 | — | 5 | — | 5 | ||
| 1995 | — | 5 | — | 5 | ||
| 1992 | — | 5 | — | 5 | ||
| 1991 | — | 5 | — | 5 | ||
| 1990 | — | 5 | — | 5 | ||
| 1989 | — | 5 | — | 5 | ||
| 1988 | — | 5 | — | 5 | ||
▎ 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.