Section Env-Or 306.07 - Exterior Inspections of AST Systems(a) The owner of an AST facility shall conduct an exterior inspection as specified in (b), below, of each AST system at the facility not less than monthly for any unusual operating conditions, such as: (1) Deficiencies such as leaks, surface wetting, discoloration, blistering, or evidence of corrosion, cracks, chime distortion, or other structural damage; and(2) Cracks, areas of wear, visible shell thinning, evidence of poor maintenance and operating practices, excessive settlement of structures, separation or swelling of tank or piping insulation, malfunctioning equipment, and structural and foundation weaknesses.(b) The inspection required by (a), above, shall include inspecting: (1) For insulated tanks and insulated piping, all exterior surfaces of insulation;(2) For other than insulated tanks and insulated piping, all exterior surfaces of tanks, secondary containment, pipes, valves and other associated equipment;(3) All exterior surfaces of tank and piping supports; and(4) All visible system components of each high-level alarm and each leak detection system which is in place at the facility.(c) The owner shall document each exterior inspection by recording the information required by Env-Or 306.06(a) in a log or other record that is maintained as specified in Env-Or 304.06 and by signing the log or other record as specified in Env-Or 306.06(b).N.H. Admin. Code § Env-Or 306.07
(See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14