All Services Other Chemical Safety $10/hr · Starting at $25 Extensive knowledge of Safety Data Sheets (SDS) and the Globally Harmonized System (GHS) of classifying and labeling chemicals. About $10/hr · Ongoing Download Resume Extensive knowledge of Safety Data Sheets (SDS) and the Globally Harmonized System (GHS) of classifying and labeling chemicals. Skills & Expertise Data ManagementSafety Engineering 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Safety EngineersData ManagersScience ConsultantsTrainersCollege Education PlannersPrivate TeachersAgriculture SpecialistsCourse Material WritersProofreaders