Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
416 CARBIDE LN, KEOKUK, IA, 52632
Parent company: AMSTED INDUSTRIES INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Manganese | Phenol | Zinc (fume or dust) | Ammonia | Lead | Total |
|---|---|---|---|---|---|---|
| 2024 | 510 | 11,320 | 630 | 10,047 | 40 | 22,547 |
| 2023 | 560 | 10,149 | 700 | 11,866 | 40 | 23,315 |
| 2022 | 1,040 | 8,720 | 900 | 10,879 | 80 | 21,619 |
| 2021 | 820 | 8,530 | 710 | — | 60 | 10,120 |
| 2020 | 790 | 7,190 | 610 | — | 150 | 8,740 |
| 2019 | 1,190 | 10,180 | 900 | — | 220 | 12,490 |
| 2018 | 1,160 | 12,450 | 890 | — | 220 | 14,720 |
| 2017 | 1,170 | 12,130 | 900 | — | 220 | 14,420 |
| 2016 | 1,250 | 13,980 | 970 | — | 240 | 16,440 |
| 2015 | 1,550 | 14,310 | 1,200 | — | 290 | 17,350 |
| 2014 | 1,570 | 16,260 | 814 | — | 202 | 18,846 |
| 2013 | 1,398 | 13,600 | 730 | — | 184 | 15,912 |
| 2012 | 1,339 | 14,130 | 693 | — | 280 | 16,442 |
| 2011 | 1,490 | 12,870 | 920 | — | 280 | 15,560 |
| 2010 | 1,113 | 9,020 | 482 | — | 118 | 10,733 |
| 2009 | 1,082 | 8,170 | 469 | — | 118 | 9,839 |
| 2008 | 7,610 | 14,010 | 8,020 | — | 850 | 30,490 |
| 2007 | 9,270 | 14,690 | 8,150 | — | 890 | 33,000 |
| 2006 | 10,730 | 15,890 | 9,440 | — | 970 | 37,030 |
| 2005 | 10,140 | 16,600 | 8,750 | — | 960 | 36,450 |
| 2004 | 5,710 | 14,310 | 7,770 | — | 1,530 | 29,320 |
| 2003 | 4,740 | 13,570 | 6,460 | — | 1,270 | 26,040 |
| 2002 | 3,750 | 11,130 | 5,770 | — | 1,130 | 21,780 |
| 2001 | 207,404 | 11,980 | 5,930 | — | 3,870 | 229,184 |
| 2000 | 778,227 | 10,650 | 5,080 | — | — | 793,957 |
| 1999 | 1,021,230 | 14,120 | 12,690 | — | — | 1,048,040 |
| 1998 | 1,113,950 | 14,400 | 13,250 | — | — | 1,141,600 |
| 1997 | 993,150 | 14,600 | 10,250 | — | — | 1,018,000 |
| 1996 | 1,025,850 | 16,746 | 10,250 | — | — | 1,052,846 |
| 1995 | 1,038,050 | 16,864 | 10,190 | — | — | 1,065,104 |
| 1994 | 1,098,620 | 3,114 | 1,500 | — | 1,500 | 1,104,739 |
| 1993 | 1,110,500 | 2,266 | 1,500 | — | 500 | 1,114,771 |
| 1992 | 1,097,000 | 2,189 | 1,500 | — | 500 | 1,101,194 |
| 1991 | 1,300,500 | 3,510 | 1,500 | — | 500 | 1,306,015 |
| 1990 | 500 | 2,420 | — | — | — | 2,925 |
| 1989 | 500 | — | — | — | — | 1,250 |
| 1988 | — | — | — | — | — | 1,500 |