"Crumb rubber" means rubber granules derived from a waste tire that are less than or equal to, one-quarter inch or six millimeters in size.
Ca. Pub. Res. Code § 42801.7
"Crumb rubber" means rubber granules derived from a waste tire that are less than or equal to, one-quarter inch or six millimeters in size.
Ca. Pub. Res. Code § 42801.7