Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
1330 PIEDMONT, TROY, MI, 48083
Parent company: PPG INDS INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Phosphoric acid | Zinc compounds | Certain glycol ethers | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Total |
|---|---|---|---|---|---|---|
| 2002 | — | 21 | 608 | — | — | 825 |
| 2001 | — | 23 | 719 | — | — | 957 |
| 2000 | — | 22 | 683 | — | — | 890 |
| 1999 | — | 151 | 692 | — | — | 1,039 |
| 1998 | 149 | 143 | 656 | — | — | 1,123 |
| 1997 | 226 | 160 | 163 | — | — | 980 |
| 1996 | 209 | 148 | 141 | — | — | 982 |
| 1995 | 291 | 157 | 124 | — | — | 693 |
| 1994 | 2,735 | 180 | 801 | 828 | — | 4,920 |
| 1993 | 2,394 | 389 | 714 | 146 | — | 3,934 |
| 1992 | 114 | 363 | 755 | 146 | — | 1,525 |
| 1991 | 170 | 400 | 720 | 1,100 | — | 2,600 |
| 1990 | 3,500 | 3,100 | 750 | 750 | — | 9,100 |
| 1989 | 3,400 | 2,700 | 750 | 1,800 | — | 9,400 |
| 1988 | 4,100 | 6,000 | — | 2,600 | 4,800 | 18,000 |
| 1987 | — | — | — | — | — | 1,250 |