702 P.2d 472 V.R. VAN DYK, Respondent, v. THE DEPARTMENT OF REVENUE, Appellant. No. 7719-1-II.The Court of Appeals of Washington, Division Two. June 25, 1985. [1] Taxation — Use Tax — Exemptions — Ingredients — Primary Purpose Test. Application of RCW 82.04.190(1)(c), which exempts ingredients used in producing a new substance from the use tax […]