Chapter: 1900
Section: 1930.7
Used motor oil is a hazardous waste that must be properly managed. It is against the law to pour used oil onto the ground or into storm drains, or place into trash cans (even in a sealed container) as it can contaminate and pollute the soil, groundwater, streams, and rivers. Recycling used motor oil ...
https://www.dgs.ca.gov/Resources/SAM/TOC/1900/1930-7