Ariz. Admin. Code § 18-7-601
The following definitions shall apply in this Article, unless the context otherwise requires:
"APP mine sites" means mining facilities which are subject to the aquifer protection permit provisions of Arizona Revised Statutes Title 49, Chapter 2, Article 3.
"Department" means the Arizona Department of Environmental Quality.
"DEUR" means declaration of environmental use restriction, as described in A.R.S. §§ 49-152 and 49-158. It is an institutional control and a restrictive covenant that runs with and burdens the property, binds the owner and the owner's heirs, successors and assigns, and inures to the benefit of the Department and the state.
"Fee" means the fee authorized by A.R.S. §§ 49-152(K) and 49-158(G).
"Engineering control" has the meaning in A.R.S. § 49-151.
"Institutional control" has the meaning in A.R.S. § 49-151.
"Modification" means modification of a DEUR that continues to address the same spill or release, and the same contaminants, as in the original DEUR. No other changes are considered a modification of a DEUR, but would be the subject of a separate DEUR.
"One-time activities" includes reviewing and/or approving legal descriptions, control areas, contaminants, institutional or engineering controls, and draft DEUR documents.
"Ongoing activities" includes reviewing written reports, conducting site inspections, or otherwise verifying maintenance of institutional or engineering controls.
"Underground storage tanks" means those underground storage tanks defined and regulated under A.R.S. Title 49, Chapter 6, Article 1.
"WQARF sites" means sites that are listed on the site registry specified in A.R.S. § 49-287.01 and are the subject of remedial action pursuant to A.R.S. Title 49, Chapter 2, Article 5. A property that is within a registry site boundary, but does not involve a contaminant of concern identified for that registry site and is not the subject of remedial action pursuant to the above Chapter 2, is not a WQARF site for the purpose of this Section.
Ariz. Admin. Code § R18-7-601