Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
M & T HARSHAW
7343 PARAMOUNT BLVD, PICO RIVERA, CA, 90660
Parent company: ELF ATOCHEM NA 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 | Ammonia | Copper compounds | Nitric acid | Nickel compounds | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 1991 | — | — | — | 10 | — | 10 |
| 1990 | 132 | 49 | 65 | 30 | 31 | 336 |
| 1989 | 196 | 119 | 72 | 53 | 28 | 486 |
▎ 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.