Cal. Health & Safety Code § 117690
(b) For purposes of this part the following definitions apply:
(1) “Biohazardous waste” includes all of the following:
(A)
(2) Pathology waste includes both of the following:
(3) “Pharmaceutical waste” means a pharmaceutical, as defined in Section 117747, including trace chemotherapy waste, that is a waste, as defined in Section 25124. For purposes of this part, “pharmaceutical waste” does not include a pharmaceutical that meets either of the following criteria: