Cal. Health & Safety Code § 25201.17
(a) For purposes of this section, the following terms have the following meanings:
(1) “Pharmaceutical manufacturing or pharmaceutical process development activities” means activities conducted in North American Industry Classification System Code subgroups 325411 and 325412, to the extent they meet either of the following:
(b) Pharmaceutical neutralization activities are exempt from any requirement imposed pursuant to this chapter, including any regulation adopted pursuant to this chapter, that relates to generators, tanks, and tank systems, and the requirement to obtain a hazardous waste facilities permit or other grant of authorization from the department, except as otherwise provided in subdivision (c), if all of the following conditions are met:
(c) An owner or operator of a pharmaceutical neutralization unit exempt under this section shall comply with all of the following requirements: