Versions of Alaska Statutes 28.23.090 - Zero tolerance for drug or alcohol use on LawServer 2023 Alaska Statutes 28.23.090 – Zero tolerance for drug or alcohol use 2021 Alaska Statutes 28.23.090 – Zero tolerance for drug or alcohol use 2020 Alaska Statutes 28.23.090 – Zero tolerance for drug or alcohol use 2019 Alaska Statutes 28.23.090 – Zero tolerance for drug or alcohol use