Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PPG INDUSTRIES INC WORKS 9
26 MISSISSIPPI AVE, CRYSTAL CITY, MO, 63019
Parent company: PPG INDUSTRIES INC
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 | Selenium compounds | Copper compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) | ||
| 1989 | 2,112 | — | 250 | 2,362 | ||
| 1987 | — | 750 | — | 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.