California Code, Health and Safety Code - HSC § 25143.8

(a) For purposes of this section, “cementitious material” means cement, cement kiln dust, clinker, and clinker dust.

(b) The test specified in the regulations adopted by the department with regard to a waste exhibiting the characteristic of corrosivity if representative samples of the waste are not aqueous and produce a solution with a pH less than or equal to 2 or greater than or equal to 12.5, as specified in paragraph (3) of subdivision (a) of Section 66261.22 of Title 22 of the California Code of Regulations, as that section read on January 1, 1996, shall not apply to waste cementitious material which is managed in accordance with applicable regulations administered by the California regional water quality control board at the cement manufacturing facility where it was generated.

(c) Cementitious material which is a nonaqueous waste, is managed in accordance with applicable regulations administered by the regional water quality control board at the cement manufacturing facility where it was generated, and would otherwise be classified as a hazardous waste based solely on the test specified in paragraph (3) of subdivision (a) of Section 66261.22 of Title 22 of the California Code of Regulations, as that section read on January 1, 1996, is excluded from classification as a hazardous waste pursuant to this chapter.