ARSD 74:56:03:17. Inspections

Routine inspection of the AST system must be performed as follows to ensure proper performance: (1) At a minimum, all owners or operators must perform the following inspections: (a) Take daily inventory measurements of regulated substance levels except on weekends and holidays. Take weekly inventory measurements of regulated substance levels if there is a secondary containment facility; (b) Perform monthly reconciliations of inventory records; (c) Inspect all overfill devices, release detection instruments, gauges, valves, and operation of all components of cathodic protection systems at least biannually not to exceed 7 1/2 months between inspections; and (d) Visually inspect all internal components of ASTs not exempted in § 74:56:03:05, according to the schedule established in § 74:56:03:05. Owners or operators of an AST which cannot comply with this requirement may request a variance pursuant to § 74:56:03:06; (2) All owners or operators of AST systems must maintain detailed records of all inspections; (3) Any defects in the AST system detected in the course of any inspections must be repaired or replaced in accordance with § 74:56:03:16. Any releases detected must be reported in accordance with § 74:56:03:21 and corrective action implemented in accordance with § 74:56:03:22.