Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
1000 FERGUSON RD, GRINNELL, IA, 50112
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 | 4,4'-Methylenedi(phenyl isocyanate) | 1,1,1-Trichloroethane | Chlorodifluoromethane (HCFC-22) | Trichlorofluoromethane (CFC-11) | Dichloromethane | Total |
|---|---|---|---|---|---|---|
| 1995 | — | — | 1,860 | — | — | 1,865 |
| 1991 | — | — | — | 1,250 | — | 1,250 |
| 1990 | 7,250 | 7,250 | — | — | — | 14,500 |
| 1989 | 7,250 | — | — | — | — | 7,250 |
| 1988 | — | — | — | — | 250 | 250 |