Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
712 1ST ST NW, HAMPTON, IA, 50441
Parent company: LIGON INDUSTRIES LLC
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 | Chromium | Toluene | Nickel | Manganese | Cobalt | Total |
|---|---|---|---|---|---|---|
| 2017 | 750 | — | — | — | — | 750 |
| 2016 | 750 | — | — | — | — | 750 |
| 2015 | 750 | — | — | — | — | 750 |
| 2014 | 750 | — | — | — | — | 750 |
| 2013 | 750 | — | — | — | — | 750 |
| 2012 | 260 | — | — | — | — | 260 |
| 2011 | — | — | — | — | — | 10 |
| 2010 | — | — | — | — | — | 10 |
| 2009 | — | — | — | — | — | 10 |
| 2008 | — | — | — | — | — | 10 |
| 2002 | 5 | — | — | — | — | 5 |
| 2001 | 17,602 | — | 6 | — | 2 | 17,624 |
| 1999 | 80,900 | — | — | — | — | 80,900 |
| 1998 | 83 | — | 6 | — | 2 | 105 |
| 1996 | 10 | — | — | — | — | 10 |
| 1995 | — | — | — | — | — | 255 |
| 1994 | — | — | — | — | — | 5 |
| 1990 | — | 12,750 | 250 | 250 | 250 | 13,750 |
| 1989 | — | 9,550 | 250 | 250 | 250 | 10,800 |
| 1988 | — | — | 250 | 250 | — | 500 |