Cal. Code Regs. tit. 22, § 66265.200
In addition to performing the waste analysis required by section 66265.13, the owner or operator shall, whenever a tank system is to be used to treat chemically or to store a hazardous waste that is substantially different from waste previously treated or stored in that tank system; or to treat chemically a hazardous waste with a substantially different process than any previously used in that tank system:
Note: Authority cited: Sections 208, 25150 and 25159, Health and Safety Code. Reference: Sections 25159 and 25159.5, Health and Safety Code; 40 CFR Section 265.200.
1. New section filed 5-24-91; operative 7-1-91 (Register 91, No. 22).