Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), 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 in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| 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 (lbs) | |
| 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 | |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.