Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VISKASE COS INC
2221 E STATE HWY 198, OSCEOLA, AR, 72370
Parent company: VISKASE COS INC
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 | Carbon disulfide | Hydrogen sulfide | Ammonia | Ammonium sulfate (solution) | Methanol | Total (lbs) |
| 2024 | 1,387,837 | 254,007 | 213,485 | — | — | 1,855,334 |
| 2023 | 1,346,176 | 343,556 | 60,559 | — | — | 1,750,296 |
| 2022 | 1,203,820 | 306,622 | 106,560 | — | — | 1,617,007 |
| 2021 | 1,270,301 | 322,393 | 44,346 | — | — | 1,637,045 |
| 2020 | 1,378,011 | 356,968 | 49,953 | — | — | 1,784,937 |
| 2019 | 1,375,316 | 354,500 | 77,539 | — | — | 1,807,360 |
| 2018 | 1,381,619 | 355,727 | 72,962 | — | — | 1,810,313 |
| 2017 | 1,188,096 | 305,928 | 65,493 | — | — | 1,559,522 |
| 2016 | 1,358,851 | 350,085 | 78,790 | — | — | 1,787,731 |
| 2015 | 1,373,635 | 352,256 | 77,321 | — | — | 1,803,217 |
| 2014 | 1,336,556 | 342,712 | 58,295 | — | — | 1,737,568 |
| 2013 | 1,317,951 | 339,400 | 111,915 | — | — | 1,769,271 |
| 2012 | 1,319,853 | 343,260 | 101,514 | — | — | 1,764,632 |
| 2011 | 1,029,671 | — | 54,430 | — | — | 1,084,106 |
| 2010 | 1,041,504 | — | 79,282 | — | — | 1,120,791 |
| 2009 | 924,050 | — | 88,928 | — | — | 1,012,983 |
| 2008 | 928,066 | — | 76,398 | — | — | 1,004,469 |
| 2007 | 884,642 | — | 66,011 | — | — | 950,658 |
| 2006 | 1,485,667 | — | 149,880 | — | — | 1,635,552 |
| 2005 | 1,477,990 | — | 67,459 | — | — | 1,545,454 |
| 2004 | 1,428,423 | — | 73,696 | — | — | 1,502,124 |
| 2003 | 1,515,304 | — | 80,318 | — | — | 1,595,627 |
| 2002 | 1,415,155 | — | 43,290 | — | — | 1,458,450 |
| 2001 | 1,427,000 | — | 20,000 | — | — | 1,447,005 |
| 2000 | 1,315,250 | — | 25,000 | — | — | 1,340,255 |
| 1999 | 1,215,250 | — | 25,000 | — | — | 1,240,255 |
| 1998 | 1,215,250 | — | 34,000 | — | — | 1,249,255 |
| 1997 | 1,314,250 | — | — | — | — | 1,314,500 |
| 1996 | 1,113,250 | — | — | — | — | 1,113,500 |
| 1995 | 1,113,250 | — | — | — | — | 1,113,500 |
| 1994 | 1,042,250 | — | — | — | — | 1,042,500 |
| 1993 | 1,113,250 | — | — | 250,000 | — | 1,363,500 |
| 1992 | 1,171,000 | — | — | 350,000 | 12,400 | 1,533,650 |
| 1991 | 1,374,000 | — | — | 410,000 | — | 1,784,250 |
| 1990 | 1,214,300 | — | — | 348,000 | — | 1,562,550 |
| 1989 | 1,415,700 | — | 123,250 | 420,000 | — | 1,959,200 |
| 1988 | 1,414,600 | — | — | — | — | 1,414,850 |
▎ 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.