Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HERCULES INC
8536 NATL BLVD, CULVER CITY, CA, 902322465
Parent company: HERCULES INC
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 | Acetone | Methyl ethyl ketone | 1,1,1-Trichloroethane | Total (lbs) | ||
| 1990 | 17,735 | — | — | 17,735 | ||
| 1989 | 25,700 | 17,160 | 11,700 | 54,560 | ||
| 1988 | 53,900 | — | 18,000 | 71,900 | ||
| 1987 | — | 30,000 | — | 30,000 | ||
▎ 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.