Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HALSTEAD ENTS
11355 ARROW RTE, RANCHO CUCAMONGA, CA, 91730
Parent company: STANLEY WORKS
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 | 1,1,1-Trichloroethane | Acetone | n-Butyl alcohol | Total (lbs) | ||
| 1993 | 202,107 | — | — | 202,107 | ||
| 1992 | 308,759 | — | — | 308,759 | ||
| 1991 | 357,260 | 28,218 | — | 385,478 | ||
| 1990 | 203,841 | 20,769 | — | 224,610 | ||
| 1989 | 59,866 | 9,240 | 1,138 | 70,244 | ||
| 1988 | — | 64,895 | — | 64,895 | ||
▎ 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.