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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Urine (1) Test Area Exposure (1) Test Category Acids (5) Alcohols (3) Antianxiety (3) Antidepressants (5) Gases (1) (-) Hydrocarbons (1) Metals/Elements (8) Sedative/Hypnotics (5) Solvents (2) Volatiles (10) Test Sub-Category Other (1) Test Test Name 2358U 1-Hydroxypyrene, Urine