Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
INDUSTRIAL HEAT TREATING INC
22-26 DENSMORE ST, NORTH QUINCY, MA, 02171
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 | Tetrachloroethylene | Ammonia | Total |
|---|---|---|---|
| 1995 | 4 | — | 4 |
| 1994 | 4 | — | 4 |
| 1993 | 4 | — | 4 |
| 1992 | 4 | — | 4 |
| 1990 | 750 | 250 | 1,000 |
| 1989 | 750 | 250 | 1,000 |
| 1988 | — | 250 | 250 |