Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
DELTA GROUP INC
W 188 S 8393 MERCURY DR, MUSKEGO, WI, 53150
Parent company: NA
Carcinogen
PBT
— 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 compounds | Zinc compounds | Chlorine | Chromium | Lead | Total |
|---|---|---|---|---|---|---|
| 1999 | 196 | 177 | 95 | 10 | 10 | 488 |
| 1998 | 300 | 250 | 57 | — | — | 607 |
| 1997 | 208 | 117 | 82 | — | — | 407 |
| 1996 | 124 | 117 | 65 | — | — | 306 |
| 1995 | — | 126 | 56 | — | — | 182 |
| 1994 | 209 | — | 30 | — | — | 241 |
| 1993 | 1,652 | — | 46 | — | — | 1,698 |
| 1992 | 3,108 | — | 45 | — | — | 3,153 |
| 1991 | 415 | — | 24 | — | — | 439 |
| 1990 | — | — | 5 | — | — | 5 |