Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
THOMBERT INC.
316 E 7TH ST N, NEWTON, IA, 50208
Parent company: THOMBERT INC
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 | Diisocyanates | 4,4'-Methylenedi(phenyl isocyanate) | Total (lbs) | ||
| 2024 | — | 88 | — | 88 | ||
| 2023 | — | 17 | — | 17 | ||
| 2022 | — | 19 | — | 19 | ||
| 2021 | — | 18 | — | 18 | ||
| 2020 | — | 19 | — | 19 | ||
| 2019 | — | 19 | — | 19 | ||
| 2018 | — | 22 | — | 22 | ||
| 2017 | — | 22 | — | 22 | ||
| 2016 | — | 22 | — | 22 | ||
| 2015 | — | 19 | — | 19 | ||
| 2014 | — | 17 | — | 17 | ||
| 2013 | — | 16 | — | 16 | ||
| 2012 | — | 10 | — | 10 | ||
| 2000 | — | 10 | — | 10 | ||
| 1999 | — | 10 | — | 10 | ||
| 1998 | — | 10 | — | 10 | ||
| 1997 | — | 10 | — | 10 | ||
| 1996 | — | 2 | — | 2 | ||
| 1995 | — | 10 | — | 10 | ||
| 1994 | — | — | 10 | 10 | ||
| 1993 | — | — | 10 | 10 | ||
| 1992 | — | — | 10 | 10 | ||
| 1991 | — | — | 10 | 10 | ||
| 1990 | 12,494 | — | — | 12,494 | ||
| 1989 | 10,202 | — | — | 10,202 | ||
| 1988 | 21,000 | — | — | 21,000 | ||
▎ 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.