Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
JOHN ZINK CO LLC
11920 E APACHE, TULSA, OK, 74116
Parent company: KOCH INC.
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Propylene | Xylene (mixed isomers) | Chromium | Nickel | Manganese | Total |
|---|---|---|---|---|---|---|
| 2024 | 2,456 | — | 6 | 6 | — | 2,468 |
| 2023 | — | — | 6 | 5 | 22 | 415 |
| 2022 | — | — | 5 | 4 | 19 | 750 |
| 2021 | 6,144 | — | 6 | 6 | 27 | 6,184 |
| 2020 | 3,074 | — | 6 | 5 | 39 | 3,124 |
| 2019 | 1,789 | — | 7 | 1 | 214 | 2,010 |
| 2018 | 569 | — | 5 | 5 | 158 | 737 |
| 2017 | 479 | — | 3 | 3 | 126 | 611 |
| 2016 | 3,157 | — | 3 | 3 | 145 | 3,308 |
| 2015 | 1,033 | — | 6 | 5 | 77 | 1,121 |
| 2014 | 251 | — | 2 | 2 | 292 | 547 |
| 2013 | 1,159 | — | 1,227 | 868 | 379 | 3,870 |
| 2012 | 860 | — | 730 | 530 | 275 | 2,683 |
| 2011 | 320 | — | 670 | 500 | 260 | 2,105 |
| 2010 | 1,100 | — | 300 | 200 | 120 | 1,905 |
| 2009 | 230 | — | 1,300 | 900 | 425 | 3,205 |
| 2008 | 685 | — | 1,251 | 890 | 394 | 3,732 |
| 2007 | 1,207 | — | 1,226 | 870 | 381 | 3,977 |
| 2006 | 6,489 | — | 1,225 | 869 | 381 | 9,238 |
| 2005 | 2,498 | — | 1,226 | 873 | 381 | 5,229 |
| 2004 | 2,094 | — | 250 | 250 | 250 | 3,094 |
| 2003 | 1,620 | — | 250 | 250 | 250 | 2,620 |
| 2002 | — | — | 250 | 250 | 250 | 1,000 |
| 2001 | 750 | — | 250 | 250 | 250 | 1,750 |
| 2000 | 750 | — | 250 | 5 | 250 | 1,255 |
| 1999 | — | 2,594 | 5 | 5 | 5 | 2,609 |
| 1998 | — | 16,204 | 5 | 5 | 5 | 16,219 |
| 1997 | — | — | 5 | 5 | 250 | 260 |