CIH—Certified Industrial HygienistCSP—Certified Safety ProfessionalCHMM—Certified Hazardous Materials ManagerREM—Registered Environmental ManagerMPH—Master of Public HealthCPEA—Certified Professional Environmental AuditorARM—Associate in Risk ManagementQEP—Qualified Environmental ProfessionalRPIH—Registered Professional Industrial HygienistCIAQP—Certified Indoor Air Quality Professional CAC—Certified Asbestos ContractorCTMI—Certified Toxic Mold OHST—Occupational Health & Safety TechnicianCIE—Certified Industrial Ergonomist LIH—Licensed Industrial Hygienist – specific to IllinoisRBP—Registered Biosafety ProfessionalCPE—Certified Professional Ergonomist PE—Professional Engineer (State issued, state-specific)MPH—Master of Public Heath REA—Registered Environmental Assessor