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) (3) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (3) (-) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Refractometer (REF) (2) Sample Type Blood (5) Serum or Plasma (1) (-) Tissue (1) (-) Urine (1) Test Area Exposure (2) Test Category Alcohols (1) Depressants (5) Solvents (1) (-) Volatiles (2) Test Sub-Category Other (2) Test Test Name 0021U Acetaldehyde, Urine 0541TI Benzene, Tissue