Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) (-) Gas Chromatography (GC) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (1) Urine (2) Test Area Exposure (1) Test Category Alcohols (1) Antihistamines (2) Sedative/Hypnotics (1) (-) Volatiles (1) Test Sub-Category Other (1) Test Test Name 0835B Butane and Isobutane, Blood