The provisions of this chapter shall not apply in respect to the use of fuel by the extractor or manufacturer thereof when used directly in the operation of the particular extractive operation or manufacturing plant which produced or manufactured the same.
[1980 c 37 § 62. Formerly RCW 82.12.030(12).]
Notes: Intent -- 1980 c 37: See note following RCW 82.04.4281.