Certified Industrial Hygienist (CIH)
Certified Associate Industrial Hygienist (CAIH)
Certified Professional Environmental Auditor (CPEA)
Certified Environmental Professional In-training (EPI)
Qualified Environmental Professional (QEP)
Certified Professional Product Steward
Registered Environmental Health Specialist/Registered Sanitarian (REHS/RS) Credential
Registered Dietician or Registered Dietician Nutritionist
CHP (Certified in Public Health) – National Board of Public Health Examiners (NBPHE)
CHES, MCHES (Master Certified Health Education Specialist) – National Commission for Health Education Credentialing
CHES Review Book