Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SEMMATERIALS, L.P. - NORTHUMBERLAND PA
4TH & DUKE ST, NORTHUMBERLAND, PA, 17857
Parent company: SEMMATERIALS, LP
Carcinogen
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 | Polycyclic aromatic compounds | Benzo[g,h,i]perylene | Lead | Total |
|---|---|---|---|---|
| 2008 | 0 | — | — | 0 |
| 2007 | 0 | — | — | 0 |
| 2006 | 0 | — | — | 0 |
| 2005 | 0 | — | — | 0 |
| 2003 | 0 | — | 0 | 0 |
| 2002 | 1 | — | — | 1 |
| 2001 | — | 1 | — | 1 |
| 2000 | 1 | 0 | — | 1 |