Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PROCHEM - PRESCOTT
2265 CROSSWINDS DR, PRESCOTT, AZ, 86301
Parent company: CASTLE ROCK INDS
Carcinogen
PBT
— 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 | Copper | Nickel | Chromium | Lead | Total (lbs) | |
| 2001 | 198 | 144 | 137 | 24 | 503 | |
| 2000 | 178 | 130 | 124 | — | 432 | |
| 1999 | 154 | 112 | 107 | — | 373 | |
▎ 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.