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) Urine (1) Test Area Exposure (1) Test Category (-) Solvents (1) Volatiles (1) Test Sub-Category (-) Other (1) Test Test Name 4355SP Tetrahydrofuran, Serum/Plasma