Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DIGITAL EQUIPMENT CORP
1901 W 14TH ST, TEMPE, AZ, 85281
Parent company: DIGITAL EQUIPMENT CORP
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 | Freon 113 (CFC-113) | Nitric acid | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | ||
| 1993 | — | — | 1 | 1 | ||
| 1992 | 3,721 | 5 | 1 | 3,727 | ||
| 1991 | 9,058 | 5 | 1 | 9,064 | ||
| 1990 | 7,414 | 10 | 5 | 7,429 | ||
| 1989 | 9,670 | 5 | 1 | 9,676 | ||
| 1988 | 10,070 | — | — | 10,070 | ||
▎ 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.