Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PLUMMER PRECISION OPTICS INC
601 MONTGOMERY AVE, PENNSBURG, PA, 180731597
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 | Acetone | Dichloromethane | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | ||
| 1993 | 54,116 | — | — | 54,116 | ||
| 1991 | 85,629 | — | — | 85,629 | ||
| 1990 | 101,931 | — | — | 101,931 | ||
| 1989 | 145,654 | — | — | 145,654 | ||
| 1988 | — | 2,149 | 176 | 2,325 | ||
▎ 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.