Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) Test Category Acids (3) Alcohols (3) (-) Chemicals (1) Drugs of Abuse (3) Drugs of Abuse, Therapeutics (1) (-) Gases (1) Industrial/Environmental Toxins (1) Other (1) Solvents (4) Therapeutics (8) Volatiles (11) Test Sub-Category Hydrocarbons (1) Other (1) Test Test Name 2745B Methane, Blood 3371SP PCB Panel, Congeners, Serum/Plasma