US lawWashingtonRegulationsTitle 480 — UTILITIES AND TRANSPORTATION COMMISSIONChapter 480-90 — GAS COMPANIES — OPERATIONS480-90-338WAC 480-90-338WAC 480-90-338. Metering toleranceLast amended: 2001Year: 2026Length: 16 wordsOfficial source A meter must not deviate more than two percent fast or slow at each test rate.PreviousWAC 480-90-333NextWAC 480-90-343