762 P.2d 348 THE DEPARTMENT OF LABOR AND INDUSTRIES, Petitioner, v. COMMON CARRIERS, INC., Respondent. No. 55102-2.The Supreme Court of Washington. En Banc. October 20, 1988. [1] Statutes — Construction — Federal Statutes — Preemption of State Law — Test. Federal preemption of state law depends on congressional intent and will not be found unless […]