Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
320 MAPLE AVE, HANOVER, PA, 17331
Parent company: NA
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 | Styrene | Phthalic anhydride | Total (lbs) | |||
| 1999 | 1,699 | — | 1,699 | |||
| 1998 | 2,680 | — | 2,680 | |||
| 1997 | 2,910 | — | 2,910 | |||
| 1996 | 2,300 | — | 2,300 | |||
| 1995 | 2,600 | — | 2,600 | |||
| 1994 | 3,600 | — | 3,600 | |||
| 1993 | 1,435 | — | 1,435 | |||
| 1992 | 1,925 | — | 1,925 | |||
| 1991 | 1,708 | — | 1,708 | |||
| 1990 | 2,125 | — | 2,125 | |||
| 1989 | 2,390 | — | 2,390 | |||
| 1988 | — | 7,200 | 7,200 | |||
▎ 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.