Drug Testing Matters
Drug Testing Matters Drug Testing Matters is a continuing education newsletter by the National Laboratory Certification Program (NLCP) on topics of interest to laboratories, laboratory staff, and inspectors. Laboratories may use these short sessions as part of their internal staff training programs. CLICK HERE for a free email subscription to future publications. Latest issues Chain of Custody in Federally Regulated Workplace Drug Testing Programs February 2024 Author: Mr. Omoware Osanyintolu Chain of custody (COC) is a chronological documentation/process used to track the movement and control of [...]