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 (GC) (1) Headspace Gas Chromatography (GC) (1) Sample Type (-) Blood (2) Serum or Plasma (1) Tissue (1) Urine (4) Test Area Diagnostic Aids (1) (-) Exposure (2) Therapeutics (11) Test Category Volatiles (2) Test Sub-Category Anticoagulants (1) Aromatics (1) (-) Other (2) Solvents (1) Toxic Elements (5) Test Test Name 0541B Benzene, Blood 0835B Butane and Isobutane, Blood