Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MICHELIN N.A. INC. ARDMORE PLANT
1101 MICHELIN RD, ARDMORE, OK, 73401
Parent company: MICHELIN N.A. 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 | n-Hexane | Zinc compounds | Cobalt compounds | Aluminum oxide (fibrous forms) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2024 | — | 29 | — | — | — | 29 |
| 2023 | — | 49 | — | — | — | 49 |
| 2022 | — | 43 | — | — | — | 43 |
| 2021 | — | 250 | — | — | — | 250 |
| 2020 | — | 77 | — | — | — | 77 |
| 2019 | — | 213 | — | — | — | 213 |
| 2018 | — | 233 | — | — | — | 233 |
| 2017 | — | 662 | 3 | — | — | 665 |
| 2016 | — | 657 | 3 | — | — | 660 |
| 2015 | — | 598 | 1 | — | — | 599 |
| 2014 | — | 583 | 1 | — | — | 584 |
| 2013 | — | 629 | 2 | — | — | 631 |
| 2012 | — | 681 | 2 | — | — | 683 |
| 2011 | — | 688 | 2 | — | — | 690 |
| 2010 | — | 771 | 4 | — | — | 775 |
| 2009 | — | 1,042 | 6 | — | — | 1,056 |
| 2008 | — | 1,056 | 7 | — | — | 1,080 |
| 2007 | — | 1,277 | 9 | — | — | 1,308 |
| 2006 | — | 1,620 | 10 | — | — | 1,650 |
| 2005 | — | 1,120 | 10 | — | — | 1,130 |
| 2004 | — | 1,117 | 15 | — | — | 1,132 |
| 2003 | — | 2,308 | 31 | — | — | 2,339 |
| 2002 | — | 2,350 | 32 | — | — | 2,383 |
| 2001 | — | 1,000 | 255 | — | — | 1,255 |
| 2000 | — | 1,250 | 10 | — | — | 1,260 |
| 1999 | — | 1,250 | 10 | — | — | 1,260 |
| 1998 | 32,250 | 1,255 | 10 | — | — | 33,515 |
| 1997 | 50,250 | 1,255 | 10 | — | — | 51,515 |
| 1996 | 57,250 | 755 | 10 | — | — | 58,015 |
| 1995 | 45,250 | 755 | 10 | — | — | 46,015 |
| 1994 | — | 755 | 10 | — | — | 765 |
| 1993 | — | 755 | 10 | — | 5 | 770 |
| 1992 | — | 755 | 10 | — | 5 | 770 |
| 1991 | — | 500 | 10 | — | 5 | 515 |
| 1990 | — | 500 | 255 | — | 10 | 765 |
| 1989 | — | 500 | 500 | — | 250 | 1,250 |
| 1988 | — | — | 500 | 500 | — | 1,000 |
▎ 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.