Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BASF CORP PORTSMOUTH PLANT
3340 W NORFOLK RD, PORTSMOUTH, VA, 23703
Parent company: BASF 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 | Acrylic acid | Ammonia | Zinc compounds | Allyl chloride | Allylamine | Total (lbs) |
| 2007 | 6,420 | — | — | — | — | 6,420 |
| 2006 | 11,980 | — | — | — | — | 11,980 |
| 2005 | 13,422 | — | — | — | — | 13,422 |
| 2004 | 14,822 | — | — | — | — | 14,822 |
| 2003 | 15,422 | — | — | — | — | 15,422 |
| 2002 | 24,822 | — | — | — | — | 24,822 |
| 2001 | 7,641 | — | — | — | — | 7,641 |
| 2000 | 15,222 | — | — | — | — | 15,222 |
| 1999 | 19,605 | — | — | — | — | 19,605 |
| 1998 | 18,722 | — | — | — | — | 18,722 |
| 1997 | 100,276 | 2,586 | — | 332 | 1,661 | 104,925 |
| 1996 | 8,790 | 6,170 | — | 500 | — | 15,710 |
| 1995 | 9,275 | 6,710 | — | 620 | — | 16,835 |
| 1994 | 15,214 | 30,100 | — | 450 | — | 46,132 |
| 1993 | 23,300 | 27,900 | — | 500 | — | 51,700 |
| 1992 | 25,100 | 31,470 | — | 550 | — | 57,120 |
| 1991 | 38,654 | 53,960 | — | 680 | — | 93,294 |
| 1990 | 33,327 | 56,630 | 121 | 378 | — | 91,028 |
| 1989 | 27,679 | 40,485 | 3,156 | 326 | — | 72,549 |
| 1988 | 35,383 | 48,510 | 11,229 | 182 | — | 95,321 |
| 1987 | — | 38,629 | — | 265 | — | 38,894 |
▎ 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.