Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
1750 SIGNAL POINT RD, CHARLESTON, SC, 29412
Parent company: NA
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Styrene | Acetone | Methyl ethyl ketone | Total (lbs) | ||
| 2002 | 93,399 | — | — | 93,399 | ||
| 2001 | 95,620 | — | — | 95,620 | ||
| 2000 | 90,734 | — | — | 90,734 | ||
| 1999 | 76,400 | — | — | 76,400 | ||
| 1998 | 44,000 | — | — | 44,000 | ||
| 1993 | 68,100 | 98,500 | — | 166,600 | ||
| 1992 | 23,400 | 62,000 | — | 85,400 | ||
| 1991 | 27,200 | 87,000 | 1,470 | 115,670 | ||
| 1990 | 47,363 | 100,396 | 1,978 | 149,737 | ||
| 1989 | 90,284 | 199,740 | 7,260 | 297,284 | ||
▎ 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.