Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LINDBERG HEAT TREATING CO
6981 OXFORD ST, MINNEAPOLIS, MN, 55344
Parent company: LINDBERG CORP
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 | Trichloroethylene | Ammonia | Total (lbs) | |||
| 1992 | 22,000 | — | 22,000 | |||
| 1991 | 33,000 | 800 | 33,800 | |||
| 1990 | 29,000 | 750 | 29,750 | |||
| 1989 | 28,000 | 1,000 | 29,000 | |||
| 1988 | 28,000 | — | 28,000 | |||
▎ 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.