Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DQC MFG INC
1601 N 15TH AVE, TUCSON, AZ, 857056414
Parent company: RSI HOLDING CORP
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 | Styrene | Acetone | Total (lbs) | |||
| 1998 | 36,275 | — | 36,275 | |||
| 1997 | 41,946 | — | 41,946 | |||
| 1996 | 36,090 | — | 36,090 | |||
| 1995 | 30,979 | — | 30,979 | |||
| 1994 | 30,435 | — | 30,435 | |||
| 1993 | 20,549 | 43,296 | 63,845 | |||
| 1992 | 6,139 | 9,655 | 15,794 | |||
▎ 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.