Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PENNZOIL-QUAKER STATE CO
3450 HOLLYWOOD AVE, SHREVEPORT, LA, 71109
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 | Zinc compounds | Copper compounds | Total (lbs) | |||
| 2003 | 6 | — | 6 | |||
| 2002 | 250 | — | 250 | |||
| 2000 | 250 | — | 250 | |||
| 1999 | 250 | — | 250 | |||
| 1998 | 5 | — | 5 | |||
| 1997 | 5 | — | 5 | |||
| 1996 | 250 | — | 250 | |||
| 1995 | 17 | — | 17 | |||
| 1994 | 10 | — | 10 | |||
| 1993 | 10 | 5 | 15 | |||
| 1992 | 5 | 5 | 10 | |||
| 1991 | 5 | 5 | 10 | |||
| 1990 | 1 | — | 1 | |||
| 1989 | 3 | — | 3 | |||
▎ 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.