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WAC 344-12-200
Well-head fittings.
Christmas-tree fittings or well-head connections shall have a working pressure in keeping with the expected pressure of the well.
[Statutory Authority: RCW
78.52.050
and chapter
78.52
RCW. WSR 82-12-052 (Order 3, Resolution No. 7), § 344-12-200, filed 6/1/82.]