Cal. Public Resources Code § 44306

The enforcement agency may, after holding a hearing in accordance with the procedures set forth in Section 44310, revoke a solid waste facilities permit if the enforcement agency determines any of the following: (a) The permit was obtained by a material misrepresentation or failure to disclose relevant factual information. (b) The operator has, during the previous three years, been convicted of, or been issued a final order for, one or more violations of this division, regulations adopted pursuant to this division, or the terms and conditions of the permit, and the violation meets both of the following criteria: (1) The violation demonstrates a chronic recurring pattern of noncompliance that has posed, or may pose, a significant risk to public health and safety or to the environment. (2) The violation has not been corrected or reasonable progress toward correction has not been achieved. (c) The operator has failed to pay in full any monetary penalty imposed pursuant to Part 5 (commencing with Section 45000) within 90 days from the date when the penalty is required to be paid and after the expiration of the time period during which the permitholder may appeal the ruling, or after the denial of the permitholder’s timely appeal up to, and including, an appeal to the superior court.