Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTON INDUSTRIES INC
1833 STEARMAN AVE, HAYWARD, CA, 94545
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 | Tetrachloroethylene | 1,1,1-Trichloroethane | Total (lbs) | |||
| 1993 | — | 2,688 | 2,688 | |||
| 1992 | — | 8,381 | 8,381 | |||
| 1991 | — | 6,583 | 6,583 | |||
| 1990 | 2,584 | 7,162 | 9,746 | |||
| 1989 | 24,140 | — | 24,140 | |||
| 1988 | 62,125 | — | 62,125 | |||
| 1987 | 63,958 | — | 63,958 | |||
▎ 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.