Credential type: certification examination · verified on the issuer's site September 25, 2026 issuer page
Exam Domains
1 Cleaning Science, Chemistry, and pH
25%
2 Surfaces, Soils, and Appropriate Methods
25%
3 Equipment, Tools, and Supplies
20%
4 Safety, Green Cleaning, and Cross-Contamination
15%
5 Professionalism, Workflow, and Efficiency
15%