10 CFR Part 26 - Subpart G - Laboratories Certified by the Department of Health and Human Services
- § 26.151 Purpose.
- § 26.153 Using certified laboratories for testing specimens.
- § 26.155 [Reserved]
- § 26.157 Procedures.
- § 26.159 Assuring specimen security, chain of custody, and preservation.
- § 26.161 Cutoff levels for validity testing.
- § 26.163 Cutoff levels for drugs and drug metabolites.
- § 26.165 Testing split specimens and retesting single specimens.
- § 26.167 Quality assurance and quality control.
- § 26.168 Blind performance testing.
- § 26.169 Reporting Results.