Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Headspace Gas Chromatography (GC) (1) Sample Type Blood (2) (-) Serum or Plasma (1) Urine (2) Test Area (-) Exposure (1) Therapeutics (1) Test Category Acids (1) Biomarkers (2) Depressants (1) Metals/Elements (6) (-) Solvents (1) Terpenes (1) Volatiles (1) Test Sub-Category Other (1) Test Test Name 4355SP Tetrahydrofuran, Serum/Plasma