Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TRI-CON INDUSTRIES LTD
2810 LEMONE INDUSTRIAL BLVD, COLUMBIA, MO, 65201
Parent company: NA
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 | n-Hexane | Toluene | 4,4'-Methylenedi(phenyl isocyanate) | Diisocyanates | Total (lbs) |
| 1997 | 50,326 | 34,664 | 15,965 | — | 8,480 | 109,435 |
| 1996 | 117,544 | 84,180 | 38,771 | — | 12,000 | 252,495 |
| 1995 | 114,485 | 64,170 | 37,692 | — | 6,775 | 223,122 |
| 1994 | 84,852 | — | 34,162 | 6,628 | — | 125,642 |
| 1993 | — | — | — | 9,282 | — | 9,282 |
| 1992 | — | — | — | 22,431 | — | 22,431 |
| 1991 | — | — | — | 6,545 | — | 6,545 |
▎ 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.