Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HIGGINS BRICK CO
15920 POMONA RINCON RD, CHINO HILLS, CA, 917095507
Parent company: NA
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 | Aluminum oxide (fibrous forms) | Manganese compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Propylene | Formaldehyde | Total (lbs) |
| 1999 | — | 5 | — | — | — | 10 |
| 1998 | — | 5 | — | — | — | 10 |
| 1997 | — | 5 | — | — | — | 10 |
| 1996 | — | 5 | 5 | — | — | 15 |
| 1995 | — | 5 | — | — | — | 10 |
| 1994 | — | 1 | — | — | — | 2 |
| 1993 | — | 5 | — | — | — | 10 |
| 1992 | — | 5 | 5 | 45 | 30 | 211 |
| 1991 | — | 5 | — | 62 | 42 | 203 |
| 1990 | — | 500 | — | — | — | 510 |
| 1989 | 11,654 | 500 | 500 | — | — | 12,654 |
▎ 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.