Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MKS INSTRUMENTS INC
6 SHATTUCK RD, ANDOVER, MA, 01810
Parent company: NA
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 | Freon 113 (CFC-113) | Ammonia | Total |
|---|---|---|---|
| 1992 | — | 5 | 5 |
| 1990 | 15,450 | 5 | 15,455 |
| 1989 | 22,000 | — | 22,000 |
| 1988 | 14,221 | — | 14,221 |