Arizona Revised Statutes Title 49. The Environment § 49-1052. Noncorrective actions; baseline assessment

A. Beginning January 1, 2016 through January 1, 2033, during the baseline period, an owner, operator or person who meets the requirements of § 49-1016, subsection C may do the following:

B. The department shall establish standards for conducting baseline assessments pursuant to this section. Until the department establishes standards by rule or by guidance documents, baseline assessment work plans shall be submitted to the department for approval and shall be considered for preapproval on a case-by-case basis, based on compliance with subsection D of this section.

C. Baseline assessments shall be conducted under the direction of a person who is a professional engineer or a registered geologist who is registered under title 32, chapter 1  1 or a remediation specialist.

D. The scope of the baseline assessment shall address likely release areas and shall include a collection of sufficient information to allow for a determination of the current environmental condition of the property. Samples shall be collected in areas where contamination is most likely to have occurred and sample locations shall consider site-specific conditions, location of potential receptors and preexisting contamination. The baseline assessment must include the registered or certified professional's interpretation regarding confirmation of an unknown release and evaluation of potential risk for the purpose of prioritizing corrective actions.

E. If unknown contamination is identified in the baseline assessment, all of the following apply: