Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SIGMA ENGINEERED SOLUTIONS
1149 N MARGARET ST, MARKESAN, WI, 53946
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 | Chromium | Nickel | Total |
|---|---|---|---|
| 1999 | 363 | 147 | 510 |
| 1998 | 494 | 227 | 721 |
| 1997 | 416 | 192 | 608 |
| 1996 | 354 | 136 | 490 |
| 1995 | 431 | 176 | 607 |
| 1994 | 393 | 152 | 545 |
| 1993 | 132 | 47 | 179 |
| 1992 | 272 | 93 | 365 |
| 1991 | 252 | 10 | 262 |
| 1990 | 1,545 | 808 | 2,353 |
| 1989 | 1,683 | 1,011 | 2,694 |