Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORIT AMERICAS INC
1432 6TH ST MAIP, PRYOR, OK, 74361
Parent company: NORIT AMERICAS 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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Lead | Polycyclic aromatic compounds | Benzo[g,h,i]perylene | Phenanthrene | Total (lbs) |
| 2024 | 39,575 | 4 | 125 | — | 70 | 39,796 |
| 2023 | 50,839 | 158 | 421 | — | 95 | 51,514 |
| 2022 | 49,400 | 170 | 421 | — | 95 | 50,087 |
| 2021 | 49,858 | 257 | 421 | — | 101 | 50,638 |
| 2020 | 41,800 | 223 | 420 | — | 95 | 42,540 |
| 2019 | 39,042 | 212 | 420 | — | 85 | 39,762 |
| 2018 | 39,155 | 270 | 420 | — | 79 | 39,927 |
| 2017 | 38,132 | 241 | 378 | — | 72 | 38,825 |
| 2016 | 34,032 | 241 | 420 | — | 80 | 34,776 |
| 2015 | 49,895 | 297 | 508 | 64 | — | 50,766 |
| 2014 | 54,234 | 321 | 552 | 70 | — | 55,179 |
| 2013 | 56,790 | 336 | 578 | 73 | — | 57,780 |
| 2012 | 56,355 | 724 | 594 | 76 | — | 57,777 |
| 2011 | 51,414 | 1,090 | 606 | 77 | — | 53,190 |
| 2010 | 55,728 | 900 | 608 | 78 | — | 57,402 |
| 2009 | 56,397 | 846 | 1,026 | 131 | — | 58,473 |
| 2008 | 56,100 | 791 | 1,026 | 131 | — | 58,115 |
| 2007 | 56,426 | 782 | 1,686 | 215 | — | 59,208 |
| 2006 | 46,151 | 788 | 1 | 0 | — | 47,050 |
| 2005 | 41,023 | 1,180 | — | — | — | 42,270 |
| 2004 | 73,119 | 937 | — | — | — | 74,128 |
| 2003 | 66,688 | 266 | — | — | — | 67,007 |
| 2002 | 42,408 | — | — | — | — | 42,408 |
| 2001 | — | — | — | — | — | 13 |
| 2000 | 40,243 | — | — | — | — | 40,243 |
| 1999 | 36,007 | — | — | — | — | 36,007 |
| 1998 | 30,771 | — | — | — | — | 30,809 |
| 1997 | 29,041 | — | — | — | — | 29,080 |
| 1996 | 31,202 | — | — | — | — | 31,242 |
| 1995 | 31,950 | — | — | — | — | 31,955 |
| 1994 | 30,263 | — | — | — | — | 30,270 |
| 1993 | 29,224 | — | — | — | — | 29,231 |
| 1992 | 27,831 | — | — | — | — | 27,838 |
| 1991 | 9,615 | — | — | — | — | 9,624 |
| 1990 | 320 | — | — | — | — | 331 |
| 1989 | 320 | — | — | — | — | 331 |
| 1988 | — | — | — | — | — | 11 |
▎ 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.