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) (2) Sample Type (-) Blood (2) Serum or Plasma (1) Urine (1) Test Area Exposure (1) Therapeutics (1) Test Category Alcohols (1) Analgesics (1) (-) Antianxiety (1) (-) Gases (1) Sedative/Hypnotics (1) Stimulants (1) Volatiles (2) Test Sub-Category Hydrocarbons (1) Other (1) Test Test Name 2650B Meprobamate, Blood 2745B Methane, Blood