Docket No. S.F. 24395. January 27, 1983. Appeal from Superior Court of Yolo County, No. 32015, Harry A. Ackley, Judge. COUNSEL Marco E. Lopez, Carlos M. Alcala, Carmen S. Flores, Federico G. Chavez and Ellen J. Eggers for Defendant and Appellant. Vance J. Van Tassell, Joseph M. Fornasero, Sharyn J. Van Tassell, Van Tassell, Fornasero Van Tassell and John Mullen for Plaintiff and Respondent. OPINION KAUS, J. United Farm Workers of America, AFL-CIO (the union), defendant in a personal injury action