Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Headspace Gas Chromatography (GC) (2) Refractometer (REF) (2) Sample Type Blood (1) Tissue (1) Urine (1) Test Area Exposure (3) Test Category Alcohols (3) Anesthetics (2) Antitussives/Cough Suppressants (3) Biomarkers (2) Metals/Elements (3) Plasticizers (2) Sedative/Hypnotics (12) (-) Volatiles (3) Test Sub-Category Other (3) Test Test Name 0541B Benzene, Blood 0541TI Benzene, Tissue 0556U Benzidine, Urine