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) Sample Type Blood (9) Serum or Plasma (8) (-) Tissue (1) Urine (6) Test Area Drugs of Abuse (1) (-) Exposure (1) Therapeutics (4) Test Category Volatiles (1) Test Sub-Category Other (1) Test Test Name 3974TI Propane, Tissue