Under Arizona § 49-152, the final soil rule was promulgated and became effective on Dec. 4, 1997. This rule allows remediation of contaminated site soils to background, the predetermined remediation standards (SRLs), or site-specific remediation standards. In conjunction with this rule, ADEQ's Underground Storage Tank Program has promulgated the corrective action and release reporting rules , which include the tiered risk-based corrective actions (RBCA) approach to decision making for determining current or potential risk at a site and the corrective actions needed to remediate to an acceptable level of risk.

• Release Reporting and Corrective Action Technical Guidance

The UST Program, with assistance from the Capacity Development Section, is working to implement the RBCA rules, provide intra- and inter-departmental RBCA training, and RBCA guidance documents.

If you have any questions regarding risk assessment or RBCA, as it relates to USTs, please contact:

Jeanene Hanley
(602) 771-4314
(800) 234-5677 - Toll Free