Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUNNEN PRODUCTS CO
7910 MANCHESTER AVE, MAPLEWOOD, MO, 63143
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 | Tetrachloroethylene | 1,1,1-Trichloroethane | Methyl ethyl ketone | Total (lbs) | ||
| 2014 | 3,586 | — | — | 3,586 | ||
| 2013 | 3,496 | — | — | 3,496 | ||
| 2012 | 6,539 | — | — | 6,539 | ||
| 2011 | 6,555 | — | — | 6,555 | ||
| 2010 | 7,805 | — | — | 7,805 | ||
| 2009 | 5,697 | — | — | 5,697 | ||
| 2008 | 13,290 | — | — | 13,290 | ||
| 2007 | 5,828 | — | — | 5,828 | ||
| 2006 | 6,534 | — | — | 6,534 | ||
| 2005 | 2,227 | — | — | 2,227 | ||
| 1998 | 15,600 | — | — | 15,600 | ||
| 1997 | 16,600 | — | — | 16,600 | ||
| 1996 | 16,700 | — | — | 16,700 | ||
| 1995 | 9,044 | — | — | 9,044 | ||
| 1994 | 15,618 | — | — | 15,618 | ||
| 1993 | 2,928 | — | — | 2,928 | ||
| 1992 | 4,600 | 6,921 | — | 11,521 | ||
| 1991 | 13,622 | 11,390 | — | 25,012 | ||
| 1990 | 10,706 | 8,993 | — | 19,699 | ||
| 1989 | 36,706 | 5,450 | — | 42,156 | ||
| 1988 | 40,591 | — | 2,580 | 43,171 | ||
▎ 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.