Subsections (a) and (b) of Subsection 2 of Subsection A of Section 12 of Part II of Chapter II of state of California Department of Water Resources Bulletin No. 74 are referred to, adopted and made a part of this chapter with the same effect as if fully set forth herein. Any casing manufactured in accordance with the standards therein established may be used in the construction or reconstruction of wells. Casing made of high carbon steel for which no specifications are established and casing made of material other than steel may be used upon a showing by the permittee that such material will withstand pressures reasonably to be anticipated. In no case may wood or downspout be used for casing. No damaged, defective or factory reject casing shall be used. All casing shall be watertight, except for perforations. (Prior code § 7795)