Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SEM PRODUCTS INC
651 MICHAEL WYLIE DR, CHARLOTTE, NC, 28217
Parent company: NA
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 | Toluene | Dichloromethane | Xylene (mixed isomers) | Methyl ethyl ketone | Phosphoric acid | Total (lbs) |
| 2008 | 1,250 | — | 260 | — | — | 1,510 |
| 2007 | 1,250 | — | 260 | — | — | 1,510 |
| 2006 | 1,005 | — | 505 | — | — | 1,510 |
| 2005 | 1,005 | — | — | — | — | 1,005 |
| 2004 | 1,005 | — | — | — | — | 1,005 |
| 2003 | 1,005 | — | — | — | — | 1,005 |
| 2002 | 1,005 | — | 1,000 | — | — | 2,005 |
| 2001 | 1,000 | — | 1,000 | — | — | 2,000 |
| 2000 | 1,000 | — | 1,000 | — | — | 2,000 |
| 1999 | 1,000 | — | 1,000 | — | — | 2,000 |
| 1998 | 1,500 | 2,799 | 1,000 | — | — | 5,299 |
| 1997 | 1,500 | 3,461 | 1,000 | — | — | 5,961 |
| 1996 | 1,542 | 2,873 | — | 387 | 300 | 5,102 |
| 1995 | 2,200 | 3,028 | — | 500 | 1,000 | 6,728 |
| 1994 | 16,520 | 6,757 | — | 3,094 | 1,000 | 27,371 |
| 1993 | 4,842 | 2,350 | — | 1,970 | 1,000 | 10,162 |
▎ 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.