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 (6) Alcohols (18) Biomarkers (8) (-) Chemicals (1) Depressants (2) (-) Gases (1) Industrial/Environmental Toxins (3) Metals/Elements (3) Other (7) Perfluorinated Compounds (2) Pesticides/Insecticides (6) Solvents (46) Terpenes (4) Volatiles (74) Test Sub-Category Hydrocarbons (1) Other (1) Test Test Name 2745B Methane, Blood 3371SP PCB Panel, Congeners, Serum/Plasma