Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DUPONT MARTINSVILLE PLANT
1 DU PONT RD, MARTINSVILLE, VA, 241124600
Parent company: E I DU PONT DE NEMOURS & CO INC
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Biphenyl | Phosphoric acid | Total (lbs) |
| 1998 | 17,771 | — | — | 943 | — | 18,714 |
| 1997 | 31,352 | — | 49,800 | 245 | — | 81,397 |
| 1996 | 30,193 | — | 51,741 | 152 | — | 82,086 |
| 1995 | 32,537 | — | 34,963 | 115 | — | 67,615 |
| 1994 | 237,103 | — | — | 90 | 200 | 237,393 |
| 1993 | 266,200 | 85,690 | — | 1,160 | 200 | 353,350 |
| 1992 | 266,700 | 71,000 | — | 9,170 | 200 | 347,170 |
| 1991 | 275,300 | 73,400 | — | 15,300 | 200 | 364,300 |
| 1990 | 267,408 | 79,800 | — | 23,305 | 200 | 370,813 |
| 1989 | 261,624 | 85,500 | — | 28,000 | 400 | 375,924 |
| 1988 | — | — | — | — | — | 400 |
| 1987 | — | — | — | — | — | 1,050 |
▎ 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.