Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
AMPCO METAL MANUFACTURING INC
1745 S 38TH ST, MILWAUKEE, WI, 532152004
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Copper | Nickel | Manganese | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Zinc (fume or dust) | Total |
|---|---|---|---|---|---|---|
| 1998 | 1,032 | 27 | 12 | — | — | 1,071 |
| 1997 | 1,105 | 32 | 13 | — | — | 1,150 |
| 1996 | 1,005 | 29 | 12 | — | — | 1,058 |
| 1995 | 929 | 24 | 11 | 10 | — | 981 |
| 1994 | 1,361 | 24 | 11 | 10 | — | 1,416 |
| 1993 | 1,518 | 34 | 258 | 10 | — | 2,071 |
| 1992 | 3,439 | 34 | 12 | 10 | — | 3,502 |
| 1991 | 7,086 | 224 | 38 | 5 | — | 7,416 |
| 1990 | 1,500 | 500 | 500 | 250 | — | 2,750 |
| 1989 | 500 | 500 | 500 | 500 | — | 2,000 |
| 1987 | — | — | — | — | 500 | 500 |