Cal. Health & Safety Code § 25403.1
(a)
(1)
(B) The local agency shall contact the department or the appropriate regional board prior to issuing a notice pursuant to paragraph (2) of subdivision (b) in connection with a property on the National Priority List or a property or release subject to any of the following:
(C)
(2) A local agency shall, before taking action to clean up the release, do all of the following:
(b) Except as provided in subdivision (c), a local agency may take the actions specified in subdivision (a) only under one of the following conditions:
(2) Both of the following apply:
(B) The responsible party specified in subparagraph (A) has not agreed within an additional 60 days to implement an investigation plan and schedule to investigate or clean up the release that meets both of the following requirements:
(3)
(A) The party determined by the local agency to be the responsible party for the hazardous material release entered into an agreement with the local agency to prepare an investigation plan or cleanup plan for approval by the department, the regional board, or the appropriate local agency, and to implement the investigation plan or cleanup plan in accordance with an agreed schedule, but failed to do any of the following:
(d) Subdivision (b) does not apply to either of the following:
(e)
(2) A local agency may designate another agency to review and approve a cleanup plan for a site and oversee the cleanup at the site if all of the following conditions exist:
(4)
(B) If an agency has been designated pursuant to paragraph (2), the department or a regional board may require the designated agency to withdraw from the designation or stop taking action pursuant to that designation, after providing the designated agency with adequate notice, if both of the following conditions are met:
(f)