Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIERRA ELECTROTEK LLC
7745 S TENTH ST, OAK CREEK, WI, 53154
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper compounds | 1,1,1-Trichloroethane | Dichloromethane | Total (lbs) | |
| 2002 | — | 250 | — | — | 250 | |
| 2001 | — | 250 | — | — | 250 | |
| 2000 | — | 1,221 | — | — | 1,221 | |
| 1999 | — | 683 | — | — | 683 | |
| 1998 | — | 1,018 | — | — | 1,018 | |
| 1997 | — | 215 | — | — | 215 | |
| 1996 | — | 1,499 | — | — | 1,499 | |
| 1995 | — | 110 | — | — | 110 | |
| 1994 | — | 2,305 | — | — | 2,305 | |
| 1993 | — | 4,259 | — | — | 4,259 | |
| 1992 | — | 3,422 | — | — | 3,422 | |
| 1991 | — | 1,900 | — | — | 1,900 | |
| 1989 | — | — | 8,290 | — | 8,290 | |
| 1988 | — | — | — | 1,894 | 1,894 | |
| 1987 | 63,484 | — | — | — | 63,484 | |
▎ 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.