Cal. HSC § 118147

Notwithstanding any other provision of this chapter, a registered medical waste generator, which is a facility specified in subdivisions (a) and (b) of Section 117705, may accept home-generated sharps waste, to be consolidated with the facility’s medical waste stream, subject to all of the following conditions: (a) The generator of the sharps waste, a member of the generator’s family, or a person authorized by the enforcement agency transports the sharps waste to the medical waste generator’s facility. (b) The sharps waste is accepted at a central location at the medical waste generator’s facility. (c) A reference to, and a description of, the actions taken pursuant to this section are included in the facility’s medical waste management plan adopted pursuant to Section 117960.