Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SQUARE D CO
8001 HWY 64 E, KNIGHTDALE, NC, 27545
Parent company: SCHNEIDER ELECTRIC
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 | 1,1,1-Trichloroethane | Ammonia | Phenol | Formaldehyde | Copper | Total |
|---|---|---|---|---|---|---|
| 2000 | — | — | 250 | — | — | 250 |
| 1999 | — | — | 250 | — | — | 250 |
| 1998 | — | — | 250 | — | — | 250 |
| 1997 | — | — | 250 | — | — | 250 |
| 1996 | — | 13,679 | 250 | — | — | 13,929 |
| 1995 | — | 16,398 | 250 | — | 10 | 16,658 |
| 1994 | — | 15,906 | 4,015 | — | 10 | 19,931 |
| 1993 | 14,665 | 16,926 | 2,015 | 255 | 10 | 33,871 |
| 1992 | 22,090 | 11,775 | 2,015 | 255 | 10 | 36,155 |
| 1991 | 23,969 | 12,686 | 20 | 255 | 10 | 36,950 |
| 1990 | 25,486 | 7,976 | 255 | 255 | — | 33,972 |
| 1989 | 12,508 | 5,918 | 250 | 250 | — | 18,926 |
| 1988 | 14,565 | — | — | — | — | 14,565 |