WAC 332-130-100
WAC 332-130-100. Equipment and procedures
(1) All land boundary surveys filed or recorded shall contain a statement identifying the type of equipment used, such as 3-second theodolite and electronic distance measuring unit, total station or GNSS receiver, and procedures used, such as field traverse, scanning, photogrammetric survey, GNSS based relative static or real time kinematic survey, or a combination thereof to accomplish the survey shown;
(2) All measuring instruments and equipment shall be maintained in adjustment according to manufacturer's specifications.