A. In accordance with an approved post-aggregate mining reclamation plan, the responsible party shall ensure:
1. Final capping growth media, including growth media brought from off-site:
- a. Supports vegetation that is not listed in R3-4-245,
- b. Provides a stable growing surface, and
- c. Does not create a hazard to public safety; and
- 2. All slopes and benches are no steeper than 2H:1V unless otherwise approved by a professional engineer for seismic stability.
- B. If all the filling for engineered slopes in an approved post-aggregate reclamation plan cannot be performed within a year after cessation of aggregate mining or the last aggregate mining activity, the responsible party shall submit a written request to the Inspector for an extension of time. The Inspector shall retain a financial assurance mechanism until all safe slope building and stability procedures in the approved post-aggregate reclamation plan are completed.
Historical Note
New Section made by final rulemaking at 25 A.A.R. 828, effective May 11, 2019 (Supp. 19-1).