Section Env-Or 307.11 - Installation of AST Systems(a) AST systems installed on or after April 25, 1997 shall be installed in accordance with the manufacturer's requirements and national and industry codes as reflected in the plans and specifications approved by the department pursuant to Env-Or 307.05.(b) Items installed on or after April 25, 1997 for which no manufacturer's requirements are provided shall be installed according to: (1) PEI RP 200 for the installation of ASTs used for the refueling of motor vehicles;(2) PEI RP 300 for the installation of vapor recovery systems;(3) API 2610 for the installation of bulk oil storage facilities;(4) API 620 and API 650 for field-erected tanks;(5) PEI RP 600 for the installation of overfill prevention systems.(6) PEI RP 800 for the installation of bulk plants; and(7) PEI RP 1300 for the installation of aviation fueling systems.(c) Before being placed in service, all tanks and piping, whether new or reconditioned, shall be tested for tightness and inspected in accordance with the requirements specified in API 653 or NFPA 30. Secondary containment for underground piping shall maintain the tightness test pressure for a minimum period of 2-hours after the backfill process has been completed.(d) Secondary containment liners constructed of natural materials shall be certified as meeting the permeability standard specified in Env-Or 305.08(a) by a New Hampshire-licensed professional engineer based on testing conducted in accordance with ASTM D2434-68, ASTM D2922-04, ASTM D5084-03, or equivalent method.N.H. Admin. Code § Env-Or 307.11
(See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14