Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
ALPHA ASSOCIATES INC
4854 O'HEAR AVE, NORTH CHARLESTON, SC, 29405
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Toluene | Methyl ethyl ketone | Tetrachloroethylene | Xylene (mixed isomers) | Zinc compounds | Total |
|---|---|---|---|---|---|---|
| 2001 | 7,897 | — | — | — | — | 7,897 |
| 2000 | 23,247 | 4,577 | — | — | — | 27,824 |
| 1999 | 21,900 | 5,466 | — | — | 137 | 27,503 |
| 1998 | 9,016 | 4,980 | — | — | 65 | 14,061 |
| 1997 | 3,700 | 4,580 | — | — | 115 | 8,395 |
| 1996 | 7,910 | 7,060 | — | — | 120 | 15,090 |
| 1995 | 34,000 | 13,300 | — | — | 1,010 | 48,310 |
| 1994 | 29,750 | 15,500 | — | 1,200 | 714 | 48,214 |
| 1993 | 101,000 | 59,000 | — | — | 960 | 161,282 |
| 1992 | 117,526 | 79,810 | 720 | — | 3,640 | 203,106 |
| 1991 | 106,826 | 73,610 | 46 | — | 5,660 | 188,855 |
| 1990 | 84,810 | 115,408 | 5,435 | 46,058 | — | 252,211 |
| 1989 | 171,409 | 169,768 | 54,880 | 51,229 | — | 447,536 |
| 1988 | 138,219 | 119,497 | 39,474 | — | — | 297,190 |