Washington Administrative Code
Title 332 - Natural Resources, Board and Department of (See also Title 222)
Chapter 332-130 - Minimum standards for land boundary surveys and geodetic control surveys and guidelines for the preparation of land descriptions
Section 332-130-070 - Land boundary survey standards

(1) The accuracy or precision of field work may be determined and reported using either relative accuracy standards or field traverse standards, provided that field work not capable of analysis with field traverse standards must be evaluated using relative accuracy standards and procedures. Final results must meet or exceed the appropriate standards as contained in WAC 332-130-085 or 332-130-090.

(2) The datum when using the Washington Plane Coordinate System shall be as officially adjusted and published by the National Geodetic Survey of the United States Department of Commerce as established in accordance with chapter 58.20 RCW. The datum tag and the coordinate epoch date shall be reported on all documents prepared which reference the Washington Plane Coordinate System.