Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PITT-DES MOINES INC
921 MURPHY ST, DES MOINES, IA, 50309
Parent company: PITT-DES MOINES INC
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 | Zinc (fume or dust) | Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification) | Xylene (mixed isomers) | Toluene | Methyl isobutyl ketone | Total (lbs) |
| 1992 | 97,137 | 17,000 | 7,700 | 17,700 | 4,300 | 145,011 |
| 1991 | 134,700 | 18,100 | — | — | — | 153,800 |
| 1990 | 306 | — | 18,000 | — | — | 18,556 |
▎ 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.