Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WESTWIN LTD
11930 PLEASANT AVE, DETROIT, MI, 48217
Parent company: SOUTHWIN LTD
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 | Methanol | Ammonia | Chlorine | Nitric acid | Ethylene glycol | Total (lbs) |
| 2007 | 11,956 | — | — | — | — | 11,956 |
| 2006 | 8,108 | — | — | — | — | 8,108 |
| 2005 | 9,003 | — | — | — | — | 9,003 |
| 2004 | 7,522 | — | — | — | — | 7,522 |
| 2001 | 4,300 | — | — | — | — | 4,300 |
| 1999 | 255 | — | 5 | — | — | 260 |
| 1998 | 255 | — | 5 | — | — | 260 |
| 1997 | 255 | — | 5 | — | — | 260 |
| 1996 | 255 | — | 5 | — | — | 260 |
| 1995 | 255 | — | 5 | — | — | 260 |
| 1994 | 255 | 10 | 5 | — | — | 270 |
| 1993 | 255 | 10 | 5 | — | — | 270 |
| 1992 | 255 | 10 | 5 | — | — | 270 |
| 1991 | 255 | 10 | 5 | — | — | 270 |
| 1990 | 255 | 255 | 5 | — | — | 515 |
| 1989 | 500 | 500 | 250 | 250 | 250 | 1,750 |
| 1988 | — | — | 250 | 250 | — | 500 |
▎ 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.