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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) (-) Serum or Plasma (2) Test Area Exposure (2) Test Category Solvents (2) Test Sub-Category (-) Organic (2) Other (6) Test Test Name 2270SP Heptane, n-, Serum/Plasma 2290SP Hexane, n-, Serum/Plasma