Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ROYSTER-CLARK INC
500 TIDEWATER CHEMICAL RD, CHESAPEAKE, VA, 233222025
Parent company: ROYSTER-CLARK 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 | Ammonia | Ammonium sulfate (solution) | Manganese compounds | Total (lbs) | ||
| 1996 | 292 | — | — | 292 | ||
| 1995 | 265 | — | — | 265 | ||
| 1994 | 279 | — | — | 279 | ||
| 1993 | 303 | 12 | — | 315 | ||
| 1992 | 303 | 12 | 1 | 316 | ||
| 1991 | 294 | 10 | 1 | 305 | ||
| 1990 | 281 | 8 | 1 | 290 | ||
| 1989 | 315 | 9 | 2 | 326 | ||
▎ 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.