Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
PENNZOIL-QUAKER STATE (DBA SOPUS PRODUCTS)
2625 WAGNER PL, MARYLAND HEIGHTS, MO, 63043
Parent company: NA
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 | Zinc compounds | Total |
|---|---|---|
| 2003 | 5 | 5 |
| 2002 | 5 | 5 |
| 2001 | 5 | 5 |
| 2000 | 5 | 5 |
| 1999 | 5 | 5 |
| 1998 | 5 | 5 |
| 1997 | 5 | 5 |
| 1996 | 5 | 5 |
| 1995 | 5 | 5 |
| 1994 | 265 | 265 |
| 1990 | 1 | 1 |
| 1989 | 1 | 1 |
| 1988 | 2 | 2 |