Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ROSS ENGINEERING CO
104 N MAPLE AVE, LEOLA, PA, 17540
Parent company: NA
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 | Toluene | 1,1,1-Trichloroethane | Methyl isobutyl ketone | Xylene (mixed isomers) | Trichloroethylene | Total (lbs) |
| 1992 | 13,465 | 14,308 | — | — | — | 27,773 |
| 1991 | 26,927 | 14,240 | 19,156 | — | — | 60,323 |
| 1990 | 31,456 | 1,760 | 1,629 | 8,809 | — | 43,654 |
| 1989 | 23,000 | 750 | 250 | 250 | 750 | 25,250 |
| 1988 | — | 250 | — | 250 | — | 750 |
▎ 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.