Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HARSCO CO HECKETT MULTISERV PLANT 20
ARMCO RDC/0 ARMCO INC, ASHLAND, KY, 41101
Parent company: HARSCO CORP
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 | Manganese | Aluminum oxide (fibrous forms) | Manganese compounds | Total (lbs) | ||
| 2000 | — | — | 583 | 583 | ||
| 1999 | 1,549 | — | — | 1,549 | ||
| 1998 | 1,228 | — | — | 1,228 | ||
| 1997 | 1,224 | — | — | 1,224 | ||
| 1996 | 1,054 | — | — | 1,054 | ||
| 1995 | 1,064 | — | — | 1,064 | ||
| 1994 | 905 | — | — | 905 | ||
| 1993 | 511 | — | — | 511 | ||
| 1992 | 266 | — | — | 266 | ||
| 1991 | 370 | — | — | 370 | ||
| 1990 | 506 | — | — | 506 | ||
| 1989 | — | 1,500 | 750 | 2,250 | ||
| 1988 | — | 1,400 | 750 | 2,150 | ||
▎ 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.