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Ron Kilgarlin

CEO At American Screening Corporation

Blog posts March 2023

Limits for Drug Use

In the case that a negligible amount of a drug metabolite is identified, cut-off limits are set to give employees the benefit of the doubt. Limits of detection are often reported in picograms (pg) per milligram of hair or nanograms (ng) per milliliter of urine or oral fluid.


Marijuana is a…

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