Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HERNDON PROCESSING CO LLC KEYSTONE NO 2 PREP PLANT
WV RT 10, HERNDON, WV, 24726
Parent company: ALPHA NATURAL RESOURCES LLC
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 | Lead compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Mercury compounds | Total (lbs) | ||
| 2004 | 1,434 | — | 9 | 1,442 | ||
| 2003 | 2,638 | — | 16 | 2,654 | ||
| 2002 | 4,538 | 196 | 28 | 4,761 | ||
| 2001 | 4,213 | 218 | 26 | 4,457 | ||
| 2000 | — | 259 | 38 | 297 | ||
| 1999 | — | 285 | — | 285 | ||
| 1998 | — | 286 | — | 286 | ||
▎ 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.