Ariz. Admin. Code § 18-13-1604

Current through Register Vol. 30, No. 50, December 13, 2024

Section R18-13-1604 - Waste Determination

A. A generator of excavated soil contaminated with petroleum shall determine whether the soil is PCS, solid waste PCS, or non-regulated soil. The basis for the determination shall be maintained for at least three years and shall be made available to the Department upon request. The generator shall make such determination using either of the following methods:

1. Testing the soil pursuant to subsection (B) of this Section. Laboratory analysis of these samples shall be performed by a laboratory licensed by the Arizona Department of Health Services. Approved testing methods, which identify concentrations for total recoverable extraction of contaminants, shall be used.

2. Application of knowledge of the characteristics of the contaminated soil in light of the known or potential source of the contamination. The Department may require sampling to confirm the accuracy of applied knowledge.

B. Sampling of soils contaminated with petroleum shall be performed in accordance with a site-specific written sampling plan which is consistent with the requirements set forth in either of the following:

1. "Test Methods for Evaluating Solid Waste", EPA SW-846, 3rd Edition Volume II: Field Manual, Physical/Chemical Method, Chapter Nine (SW-846 Third Edition), 1986, Environmental Protection Agency, Washington, D.C. and no future editions or amendments, incorporated herein by reference and on file with the Department and the Office of the Secretary of State.

2. "Quality Assurance Project Plan", Chapter 9, May 1991 Edition, Arizona Department of Environmental Quality, Phoenix, Arizona and no future editions or amendments incorporated herein by reference and on file with the Department and the Office of the Secretary of State.

C. If soil excavated during the initial investigation of a site to determine the extent of contamination is PCS, the PCS may be returned into the excavation site from which the soil was removed if all of the following conditions are met:

1. There is no freestanding liquid within the excavation, unless the State Fire Marshal or other jurisdictional fire authority directs otherwise, and the requirements of subsections (2) and (3) of this subsection are met.

2. The owner or operator provides notification to the Department that the PCS has been returned to the excavation within 14 days after the return of the PCS to the excavation.

3. The owner or operator completes a site characterization within 120 days and implements remediation within 150 days after the date the site characterization began.

Ariz. Admin. Code § R18-13-1604

Recodified from R18-8-1604at 8 A.A.R. 5172, effective November 27, 2002 (Supp. 02-4). Amended by final expedited rulemaking at 27 A.A.R. 57, effective 1/5/2021.