Recent studies have shown that even low amounts of D9-tetrahydrocannbinol (THC) within a cannabidiol (CBD) product can result in positive 11-nor-9-carboxy-D9- tetrahydrocannabinol (THC-COOH; a metabolite of THC) urine drug screens….
Keyword: drug test
Interpretation of Workplace Tests for Cannabinoids
Abstract Workplace urine drug testing for an inactive THC metabolite is common in both federally regulated and non-regulated drug testing. A positive result does not document impairment, or even recent…
Hemp Oil Ingestion Causes Positive Urine Tests for Ag-Tetrahydrocannabinol Carboxylic Acid
A hemp oil product (Hemp Liquid Gold TM) was purchased from a specialty food store. Fifteen milliliters was consumed by seven adult volunteers. Urine samples were taken from the subjects…