Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HORSEHEAD CORP.
OLD HWY 90, ROSE CITY, TX, 77662
Parent company: HORSEHEAD HOLDING CORP
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 | Zinc compounds | Manganese compounds | Lead compounds | Mercury compounds | Total (lbs) | |
| 2008 | 314 | 49 | 28 | 22 | 413 | |
| 2007 | 394 | 62 | 34 | 28 | 518 | |
| 2006 | 399 | 63 | 35 | 29 | 526 | |
| 2005 | 399 | 63 | 35 | 29 | 526 | |
| 2004 | 390 | 62 | 34 | 28 | 514 | |
| 2003 | 111 | 20 | 10 | 9 | 150 | |
| 2002 | 141 | 19 | 12 | 11 | 183 | |
| 2001 | 94 | 12 | 8 | 7 | 121 | |
| 2000 | 432 | 70 | — | 33 | 535 | |
| 1999 | 362 | 57 | — | — | 419 | |
| 1998 | 322 | — | — | — | 322 | |
| 1997 | 342 | 49 | — | — | 391 | |
| 1996 | 304 | — | — | — | 304 | |
| 1995 | 327 | — | — | — | 327 | |
| 1994 | 135 | 22 | 19 | — | 176 | |
| 1993 | 79 | 14 | 11 | — | 104 | |
▎ 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.