Global Lab Solutions in Charlotte, North Carolina is a national testing administrator for drugs of use and abuse.  We are a premier provider of employee drug screening services nationwide.  Global Lab Solutions owns and operates United Drug Testing Lab in Boise, Idaho.  The lab utilizes immuno-assay screening and Gas Chromatography/ Mass Spectrometry and Liquid Chromatography/ Tandem Mass Spectrometry testing methodologies.We primarily purchase chemical solvents for liquid/liquid extractions, deuterated internal standards (supplied in methanol), drug calibrators and controls, and commercial immuno-assay reagents for testing.