Summary: Revises Tariff WN U-6 to update the type of meter testing equipment that the Company will be using as listed in Schedule M – Meter Testing Procedures (Schedule M). The revision provides housekeeping changes as well, clarifying its use of third-party testing laboratories in compliance with WAC 480-90-343(1)(c), and updating a reference to WAC 480-90-171 that was renumbered in 2001 to WAC 480-90-348.
