Upon completion of construction or excavation, the in-situ liner must be covered with a 12-inch soil protective layer and maintained to minimize desiccation.
Okla. Admin. Code § 252:515-11-75
Upon completion of construction or excavation, the in-situ liner must be covered with a 12-inch soil protective layer and maintained to minimize desiccation.
Okla. Admin. Code § 252:515-11-75