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) Enzymatic Assay (EZA) (1) Gas Chromatography (GC) (1) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) (-) Spectrophotometry (SP) (1) Sample Type Blood (1) Urine (1) Test Area Exposure (2) Test Category Acids (3) Alcohols (1) (-) Biomarkers (1) (-) Hydrocarbons (1) Metals/Elements (8) Volatiles (2) Test Sub-Category Other (2) Test Test Name 2358U 1-Hydroxypyrene, Urine 2887B Methemoglobin, Blood