Cal. Health & Safety Code § 25143
(a) The department may grant a variance from one or more of the requirements of this chapter, or the regulations adopted pursuant to this chapter, for the management of a hazardous waste if all of the following conditions apply:
(1) One of the following conditions applies:
(2) The department makes one of the following findings:
(b)
(2) The department may also grant a variance, on its own initiative, to one or more individuals or business concerns. If the variance is granted to more than one individual or business concern, the department, in granting the variance pursuant to this paragraph, shall comply with all of the following requirements:
(A) The department shall make all of the following findings, in addition to the findings required pursuant to paragraph (2) of subdivision (a):
(iii) That there are no reasonably foreseeable site-specific physical or operating conditions that could potentially impact the finding made by the department pursuant to paragraph (2) of subdivision (a). This finding shall be supported by substantial evidence in the record as a whole, and shall be based upon both of the following:
(c)
(d) Each variance issued pursuant to this section shall be issued on a form prescribed by the department and shall, as applicable, include, but not be limited to, all of the following:
(e)
(2) The department shall revoke or modify a variance if the department finds any of the following: