Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NVF CO YORKLYN COMPLEX
1166 YORKLYN RD, YORKLYN, DE, 19736
Parent company: NA
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 | Zinc compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Total (lbs) |
| 2003 | 6,411 | — | — | — | — | 6,411 |
| 2002 | 8,013 | — | — | — | — | 8,013 |
| 2001 | 2,252 | — | — | — | — | 2,252 |
| 2000 | 18,170 | — | — | — | — | 18,170 |
| 1999 | 12,702 | — | — | — | — | 12,702 |
| 1998 | 18,250 | — | — | — | — | 18,250 |
| 1997 | 22,703 | — | — | — | — | 22,703 |
| 1996 | 28,313 | — | — | — | — | 28,313 |
| 1995 | 30,295 | — | — | — | — | 30,295 |
| 1994 | 31,901 | 255 | — | — | — | 32,156 |
| 1993 | 21,389 | 250 | — | — | — | 21,639 |
| 1991 | 53,034 | 250 | — | — | — | 53,284 |
| 1990 | 61,138 | 255 | — | — | — | 61,393 |
| 1989 | 61,138 | 250 | — | — | — | 61,388 |
| 1988 | — | — | 500 | 250 | 110 | 860 |
| 1987 | — | 250 | — | — | — | 250 |
▎ 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.