Wash. Admin. Code § 296-78-71025 - Gas piping and appliances
All gas piping and appliances must be installed in accordance with the American National Standard Requirements for Gas Appliances and Gas Piping Installations, Z21.30 -1964.
Notes
Statutory Authority: RCW 49.17.040, 49.17.050 and 49.17.240. 81-18-029 (Order 81-21), § 296-78-71025, filed 8/27/81.
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