Certified Associate Industrial Hygienist (CAIH) Certification Exam

Certified Associate Industrial Hygienist (CAIH) The CAIH distinguishes itself by targeting mid-career professionals who’ve completed formal coursework but haven’t yet logged the 60+ months of field experience required for full CIH status. Unlike broader occupational safety certifications, it zeroes in on industrial hygiene’s core—exposure assessment, control strategies, and regulatory compliance—making it the natural stepping stone between academic preparation and senior-level credentialing in this specialized discipline.