Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PENNZOIL-QUAKER STATE CO
2015 GRAND ST, ALAMEDA, CA, 94501
Parent company: PENNZOIL-QUAKER STATE CO
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 | Ammonia | Zinc compounds | Copper compounds | Total (lbs) | ||
| 2004 | — | 5 | — | 5 | ||
| 2003 | — | 5 | — | 5 | ||
| 2002 | — | 5 | — | 5 | ||
| 2001 | — | 5 | — | 5 | ||
| 2000 | — | 5 | — | 5 | ||
| 1999 | — | 5 | — | 5 | ||
| 1998 | 33,135 | 5 | — | 33,140 | ||
| 1995 | — | 10 | — | 10 | ||
| 1994 | — | 7 | — | 7 | ||
| 1993 | — | 10 | 5 | 15 | ||
| 1992 | — | 5 | — | 5 | ||
| 1991 | — | 5 | — | 5 | ||
| 1990 | — | 1 | — | 1 | ||
| 1989 | — | 1 | — | 1 | ||
▎ 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.