Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOKEN MANUFACTURING CO INC
1631 DR M L KING DR, SAINT LOUIS, MO, 631063797
Parent company: TAKARA BELMONT USA INC
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 | Methyl ethyl ketone | Trichloroethylene | Acetone | Toluene | Total (lbs) | |
| 1997 | — | — | — | 10,731 | 10,731 | |
| 1996 | 1,812 | 2,710 | — | — | 4,522 | |
| 1995 | 8,388 | 2,675 | — | — | 11,063 | |
| 1994 | 9,730 | 5,909 | — | — | 15,639 | |
| 1993 | 11,959 | 6,316 | — | — | 18,275 | |
| 1992 | — | 6,453 | — | — | 6,453 | |
| 1991 | — | 6,000 | — | — | 6,000 | |
| 1990 | — | 6,645 | — | — | 6,645 | |
| 1989 | — | 7 | — | — | 7 | |
| 1987 | 10,768 | — | 17,155 | — | 27,923 | |
▎ 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.