Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PPG INDUSTRIES INC RESEARCH & DEVELOPMENT CENTER
151 COLFAX ST, SPRINGDALE, PA, 15144
Parent company: PPG INDUSTRIES 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 | Methyl isobutyl ketone | Toluene | Methyl methacrylate | Xylene (mixed isomers) | n-Butyl alcohol | Total (lbs) |
| 1995 | 16,280 | 7,035 | 65 | 2,383 | 2,416 | 32,252 |
| 1994 | 33,829 | 9,546 | 47 | 4,033 | 5,080 | 59,767 |
| 1993 | 34,005 | 5,405 | 40 | 4,805 | 4,605 | 54,602 |
| 1992 | 9,500 | 5,500 | 6,700 | 6,800 | 1,250 | 40,184 |
| 1991 | 6,400 | 4,600 | 7,000 | 4,600 | 900 | 32,640 |
| 1990 | 7,400 | 4,100 | 7,300 | 3,900 | 710 | 31,546 |
| 1989 | 6,201 | 2,200 | 9,500 | 2,302 | 720 | 30,429 |
| 1988 | — | — | — | — | 1,500 | 11,800 |
| 1987 | — | — | 7,500 | — | 750 | 12,850 |
▎ 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.