Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
US NAVAL OBSERVATORY
3450 MASSACHUSETTS AVE NW, WASHINGTON, DC, 20007
Parent company: US DEPARTMENT OF DEFENSE
PBT
— 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 | Mercury | Total |
|---|---|---|
| 2021 | 1 | 1 |