Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PENNZOIL-QUAKER STATE CO (DBA SOPUS PRODUCTS LALP)
1926 E PACIFIC COAST HWY, WILMINGTON, CA, 90744
Parent company: SHELL OIL PRODUCTS US
Carcinogen
PBT
— 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 | 1,2,4-Trimethylbenzene | Toluene | Xylene (mixed isomers) | Zinc compounds | Ethylbenzene | Total (lbs) |
| 2022 | — | — | — | 750 | — | 750 |
| 2019 | — | — | — | 0 | — | 0 |
| 2017 | — | — | — | 0 | — | 0 |
| 2014 | — | — | — | 0 | — | 0 |
| 2011 | — | — | — | 0 | — | 0 |
| 2010 | — | — | — | 5 | — | 5 |
| 2005 | — | — | — | 3 | — | 3 |
| 2001 | 3,702 | 3,669 | 750 | — | 250 | 8,371 |
| 2000 | 3,700 | 5 | 750 | — | 250 | 4,720 |
| 1999 | — | — | 750 | — | 250 | 1,000 |
| 1995 | 1 | — | — | — | — | 1 |
| 1994 | 2 | — | — | — | — | 2 |
| 1993 | 1 | — | — | — | — | 17 |
| 1991 | — | — | — | — | — | 11 |
▎ 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.