Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Colorimetry (C) (1) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (15) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (3) Refractometer (REF) (2) Sample Type Urine (2) Test Area Exposure (2) Test Category Analgesics (2) Anesthetics (2) Biomarkers (2) Depressants (4) (-) Metals/Elements (1) Plasticizers (2) Sedative/Hypnotics (15) (-) Volatiles (1) Test Sub-Category Other (1) Toxic Elements (1) Test Test Name 0556U Benzidine, Urine 0638U Beryllium, Urine