Laboratory Accreditation Testing, Calibration, and Medical Laboratory Schemes. Testing & Calibration (ISO/IEC 17025) For chemical, mechanical, electrical, and calibration labs. NAF-SCH-LAB-17025-01Accreditation Criteria Download NAF-SCH-LAB-17025-02Application Form Download NAF-SCH-LAB-17025-03Assessment Checklist Download Medical Laboratories (ISO 15189) For pathology, microbiology, and clinical labs. NAF-SCH-LAB-15189-01Accreditation Criteria Download NAF-SCH-LAB-15189-02Application Form Download NAF-SCH-LAB-15189-03Assessment Checklist Download