Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
100 ENTERPRISE DRIVE, NORTHWOOD, IA, 504590109
Parent company: NA
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 | Xylene (mixed isomers) | Toluene | Acetone | Methyl ethyl ketone | Methanol | Total |
|---|---|---|---|---|---|---|
| 2011 | — | — | — | — | — | 0 |
| 2010 | — | — | — | — | — | 0 |
| 1999 | — | 1,686 | — | — | — | 1,686 |
| 1998 | 12,017 | 3,318 | — | — | — | 15,335 |
| 1997 | 9,581 | 12,569 | — | 4,226 | — | 31,402 |
| 1996 | 11,776 | 12,773 | — | 13,501 | — | 44,050 |
| 1995 | 14,330 | 15,931 | — | 16,389 | — | 55,336 |
| 1994 | 13,002 | 7,596 | — | — | — | 30,635 |
| 1993 | 11,742 | 7,873 | 12,026 | 8,058 | — | 39,699 |
| 1992 | 45,400 | 39,100 | 39,200 | 1,710 | — | 135,730 |
| 1991 | 50,500 | 28,880 | 23,730 | — | 12,390 | 115,500 |
| 1990 | 83,500 | 38,140 | 36,100 | 18,500 | 17,500 | 225,540 |
| 1989 | 73,200 | 28,860 | 41,200 | — | 16,500 | 176,240 |
| 1988 | — | — | 39,013 | — | 12,586 | 51,599 |
| 1987 | — | — | — | 11,050 | — | 11,050 |