Karen Shackelford

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Articles by Karen Shackelford


Drug Detection Cutoffs: What You Need to Know Drug Detection Cutoffs: What You Need to Know Drug Detection Cutoffs: What You Need to Know Drug Detection Cutoffs: What You Need to Know


A drug detection cutoff level is a critical part of a workplace testing program. Learn more about them here.

How to Avoid Adulteration in Employee Drug Testing How to Avoid Adulteration in Employee Drug Testing How to Avoid Adulteration in Employee Drug Testing How to Avoid Adulteration in Employee Drug Testing


Ways to test for adulteration and tampering of drug test samples.