To protect the public health, these administrative policies and procedures shall be known as the “Supplemental On-Site Sewage Disposal Policies and Procedures for Land Division Review” and are established pursuant to authority vested in the Snohomish Health District (SHD) Board of Health by RCW 70.05.060 and WAC 246-272A-0015(9). [Res. 08-10. Revised and reapproved by DOH 09/21/95. Res. 95-24. Revised and reapproved by DOH 12/15/94. Res. 93-32, Eff. 11/09/93. Prior code § 8.1.3(I)].