Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MAGNETIC & PENETRANT SERVICES CO/MAPSCO
8135 1ST AVE S, SEATTLE, WA, 98108
Parent company: VALENCE SURFACE TECHNOLOGIES LLC
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 | Nitric acid | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total |
|---|---|---|---|
| 2019 | 255 | 8 | 263 |
| 2018 | 255 | 250 | 505 |
| 2017 | 255 | 250 | 505 |
| 2016 | 255 | — | 255 |