US WA: I-502 Vs. Drug-free Workplace Policies

Seattle Times, 18 Nov 2012 – Is Private Pot Smoking Employers’ Concern? Drug Tests Detect Use, Not Impairment Marijuana is legal in Washington on Dec. 6, but the new state law gives no protection from workplace drug policies. Many employers will continue to rely on tests showing marijuana use – even from weeks ago – – rather than on-the-job impairment.