Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
LEEDS & NORTHRUP
351 SUMNEYTOWN PIKE, NORTH WALES, PA, 19454
Parent company: GENERAL SIGNAL CORP
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 | 1,1,1-Trichloroethane | Total |
|---|---|---|
| 1993 | 14,132 | 14,132 |
| 1992 | 14,915 | 14,915 |
| 1991 | 23,284 | 23,284 |
| 1990 | 19,731 | 19,731 |
| 1989 | 19,600 | 19,600 |
| 1988 | 16,000 | 16,000 |