Marijuana, THC Drug Test – Urine, Blood, Hair, Saliva, Sweat
THC Drug Test A marijuana drug test is the technical analysis of a biological specimen, such as urine, blood, hair, sweat or saliva, to determine the presence or absence of the active ingredients of marijuana (mainly THC) or its metabolites (breakdown products). The chemical name for THC is delta-9-tetrahydrocannabinol, or >> Read More ...
