Year-over-year total releases
Reported on-site TRI releases in pounds, 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 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 | Lead compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Mercury compounds | Total |
|---|---|---|---|---|
| 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 |