California Code, Health and Safety Code - HSC § 2052

(a) Pursuant to Article 4 (commencing with Section 106925) of Chapter 4 of Part 1 of Division 104, every district employee who handles, applies, or supervises the use of any pesticide for public health purposes shall be certified by the department as a vector control technician in at least one of the following categories commensurate with the assigned duties:

(b) The department may establish, by regulation, exemptions from the requirements of this section that the department deems reasonably necessary to further the purposes of this section.