Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LONACONING MINE 5
RTE 36, LONACONING, MD, 21539
Parent company: NA
Carcinogen
PBT
— 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 | Ammonia | Mercury | Lead | Total (lbs) | ||
| 2001 | 6,260 | 5 | 3 | 6,268 | ||
| 2000 | 6,258 | 5 | — | 6,263 | ||
| 1999 | 6,255 | — | — | 6,255 | ||
| 1998 | 6,312 | — | — | 6,312 | ||
▎ 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.