Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUN CHEMICAL CORP
10319 GRUMBACKER LN, WILLIAMSPORT, MD, 21795
Parent company: SUN CHEMICAL CORP
Carcinogen
— 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 | Toluene | Xylene (mixed isomers) | Ethylbenzene | Zinc compounds | Total (lbs) | |
| 2008 | 2,663 | 28 | — | — | 2,691 | |
| 2007 | 6,637 | — | — | — | 6,637 | |
| 2006 | 5,720 | — | — | — | 5,720 | |
| 2005 | 5,144 | — | — | — | 5,144 | |
| 2004 | 5,474 | 106 | 26 | — | 5,606 | |
| 2003 | 3,351 | 93 | 24 | — | 3,468 | |
| 2002 | 4,251 | 116 | 28 | — | 4,395 | |
| 2001 | 4,217 | 115 | 28 | — | 4,360 | |
| 2000 | 8,102 | 137 | 31 | — | 8,270 | |
| 1999 | 7,661 | 167 | 40 | — | 7,868 | |
| 1998 | 5,085 | 56 | 16 | — | 5,157 | |
| 1997 | 6,204 | 59 | 23 | — | 6,286 | |
| 1996 | 6,377 | 74 | 27 | — | 6,478 | |
| 1995 | 59,770 | 3,190 | 905 | 600 | 64,465 | |
| 1994 | 50,000 | 6,620 | 968 | 670 | 58,258 | |
| 1993 | 39,199 | 3,720 | 650 | 880 | 44,449 | |
| 1992 | 36,270 | 1,815 | 108 | 702 | 38,895 | |
| 1991 | 32,850 | 660 | — | — | 33,510 | |
| 1990 | 39,500 | 1,000 | — | — | 40,500 | |
| 1989 | 23,900 | 2,426 | 500 | — | 26,826 | |
| 1988 | 24,100 | — | — | — | 24,100 | |
▎ 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.