Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
3154 LIGONIER STREET, LATROBE, PA, 15650
Parent company: KENNAMETAL INC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Cobalt | Total (lbs) | |||
| 2012 | — | 5 | 5 | |||
| 2011 | — | 5 | 5 | |||
| 2010 | — | 5 | 5 | |||
| 2009 | — | 250 | 250 | |||
| 2008 | 30,750 | 250 | 31,000 | |||
| 2007 | 38,334 | 250 | 38,584 | |||
| 2006 | 64,868 | 755 | 65,623 | |||
| 2005 | 56,943 | 755 | 57,698 | |||
| 2004 | 48,741 | 755 | 49,496 | |||
| 2003 | 39,993 | 255 | 40,248 | |||
| 2002 | 49,087 | 255 | 49,342 | |||
| 2001 | 51,034 | 255 | 51,289 | |||
| 2000 | 83,879 | 255 | 84,134 | |||
| 1999 | 59,464 | 255 | 59,719 | |||
| 1998 | 94,154 | 255 | 94,409 | |||
| 1997 | 93,337 | — | 93,337 | |||
| 1996 | 88,550 | — | 88,550 | |||
| 1995 | 88,140 | — | 88,140 | |||
| 1994 | 74,600 | 2,428 | 77,028 | |||
| 1993 | 52,600 | 1 | 52,601 | |||
| 1992 | 69,500 | — | 69,500 | |||
| 1991 | 64,000 | 10 | 64,010 | |||
| 1990 | 64,750 | 10 | 64,760 | |||
▎ 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.