Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HILLERICH & BRADSBY CO INC
1800 S ARCHIBALD AVE, ONTARIO, CA, 917617647
Parent company: HILLERICH & BRADSBY CO 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 | 1,1,1-Trichloroethane | Tetrachloroethylene | Total (lbs) | |||
| 1998 | — | 28,085 | 28,085 | |||
| 1997 | 20,320 | — | 20,320 | |||
| 1996 | 26,203 | — | 26,203 | |||
| 1995 | 39,841 | — | 39,841 | |||
| 1994 | 35,743 | — | 35,743 | |||
| 1993 | 33,600 | — | 33,600 | |||
| 1992 | 31,400 | — | 31,400 | |||
| 1991 | 10,700 | — | 10,700 | |||
▎ 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.