Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ENGINEERED AIR SYSTEMS INC
1270 N PRICE RD, OLIVETTE, MO, 63132
Parent company: ENGINEERED SUPPORT SYSTEMS INC
Carcinogen
PBT
— 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 | Methyl ethyl ketone | Toluene | Methyl isobutyl ketone | Xylene (mixed isomers) | Total (lbs) |
| 1993 | — | 5,689 | 4,756 | 2,648 | 2,600 | 25,602 |
| 1992 | — | 8,432 | 9,244 | 3,648 | 2,865 | 29,998 |
| 1991 | 2,429 | 10,616 | 4,108 | 4,078 | 3,311 | 31,601 |
| 1990 | — | 6,326 | 8,557 | 1,953 | 4,656 | 23,762 |
| 1989 | 4,675 | 6,927 | 2,332 | 2,268 | 4,452 | 27,831 |
| 1988 | 24,122 | 21,147 | 20,474 | 5,158 | 6,383 | 88,855 |
| 1987 | 42,061 | — | — | 11,064 | — | 53,193 |
▎ 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.