Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MAPA PIONEER CORP
512 E TIFFIN ST, WILLARD, OH, 44890
Parent company: HUTCHINSON CORP
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Zinc compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Formaldehyde | Nitric acid | Total |
|---|---|---|---|---|---|---|
| 1994 | — | 268 | — | — | 4 | 272 |
| 1993 | 232 | 912 | 32 | — | 4 | 1,180 |
| 1992 | 242 | 250 | 110 | 34 | 16 | 652 |
| 1991 | 3,000 | 250 | 26 | 350 | 210 | 3,836 |
| 1990 | — | 250 | 250 | 250 | 250 | 1,000 |
| 1989 | — | — | 250 | — | — | 250 |
| 1988 | — | 250 | — | — | — | 250 |