Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
CHEM TECH LTD
1006 B US INESS HWY 5, PLEASANTVILLE, IA, 50225
Parent company: NEOGEN 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 | 1,1,1-Trichloroethane | Tetrachloroethylene | Dichlorvos | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|
| 1994 | 250 | — | 250 | — | 500 |
| 1993 | 250 | — | 250 | 250 | 750 |
| 1992 | 350 | — | 20 | 50 | 420 |
| 1991 | 300 | 250 | 20 | 50 | 620 |
| 1990 | 350 | 300 | 30 | 50 | 730 |
| 1989 | 360 | 360 | 351 | 50 | 1,121 |
| 1988 | 400 | 400 | 40 | — | 840 |