California Code, Health and Safety Code - HSC § 25143.11

(a) The department shall, on or before January 1, 1997, to the extent that it is consistent with the federal act and the protection of the public health, safety, and the environment, adopt regulations exempting secondary materials from this chapter. Those regulations shall be adopted pursuant to Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code. In adopting the regulations, the department shall consider the restrictions listed in paragraph (8) of subsection (a) of Section 261.4 of Title 40 of the Code of Federal Regulations which apply to the exclusion of secondary materials from regulation under the federal act.

(b) For purposes of this section, “secondary materials” means materials that are reclaimed and returned to the original process or processes in which they were generated where they are reused in the production process.