Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KNAPHEIDE MANUFACTURING CO
HWY 24 W, WEST QUINCY, MO, 63471
Parent company: NA
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 | Xylene (mixed isomers) | Ethylbenzene | Toluene | Methyl ethyl ketone | Methyl isobutyl ketone | Total |
|---|---|---|---|---|---|---|
| 1993 | 43,000 | — | 36,000 | 2,300 | 30,000 | 111,347 |
| 1992 | 59,036 | 13,000 | 14,000 | 64,000 | — | 150,099 |
| 1991 | 105,582 | 27,156 | 9,548 | 7,522 | — | 149,881 |
| 1990 | 151,664 | 26,418 | 13,404 | — | — | 191,578 |
| 1989 | 179,112 | 32,142 | 14,274 | — | — | 241,618 |
| 1988 | 126,480 | 29,316 | 28,682 | — | — | 184,538 |
| 1987 | — | 24,614 | — | — | — | 24,632 |