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) Gas Chromatography (GC) (27) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Headspace Gas Chromatography (GC) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Spectrophotometry (SP) (1) Sample Type Blood (4) Serum or Plasma (3) Urine (1) Test Area Exposure (8) Test Category Drugs of Abuse (5) (-) Solvents (4) (-) Volatiles (4) Test Sub-Category Other (8) Your search has returned no tests.