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) (9) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography (GC) (39) Gas Chromatography/Mass Spectrometry (GC/MS) (13) Headspace Gas Chromatography (GC) (30) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) (-) Refractometer (REF) (2) Spectrophotometry (SP) (1) Sample Type Urine (2) Test Area Exposure (2) Test Category (-) Volatiles (2) Test Sub-Category (-) Other (2) Your search has returned no tests.