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WAC 296-307-48039

How must service piping systems be painted and marked?

(1) Underground pipe and tubing and outdoor ferrous pipe and tubing must be covered or painted with a suitable material for protection against corrosion.
(2) Aboveground piping systems must be marked according to the American National Standard Scheme for the Identification of Piping Systems, ANSI A 13.1-1956.
(3) Station outlets must be marked to indicate the name of the gas.
[WSR 97-09-013, recodified as § 296-307-48039, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-48039, filed 10/31/96, effective 12/1/96.]
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