Code of Federal Regulations > Title 10 > Chapter I > Part 26 > Subpart F - Subpart F—Licensee Testing Facilities

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 26.121 - Purpose.

§ 26.123 - Testing facility capabilities.

§ 26.125 - Licensee testing facility personnel.

§ 26.127 - Procedures.

§ 26.129 - Assuring specimen security, chain of custody, and preservation.

§ 26.131 - Cutoff levels for validity screening and initial validity tests.

§ 26.133 - Cutoff levels for drugs and drug metabolites.

§ 26.135 - Split specimens.

§ 26.137 - Quality assurance and quality control.

§ 26.139 - Reporting initial validity and drug test results.