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Hair testing for drugs of abuse requires strict adherence to chain of custody procedures for accuracy and legal admissibility. Hair specimen collector training from DrugTestingCourses.com trains collectors in completing the appropriate chain of custody forms, preparing the collection site and materials, and handling difficult collections.
Learn more about this course here:
https://www.drugtestingcourses.com/course/hair-collector-training-hair-drug-test-collector/
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