Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (5) (-) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (7) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type (-) Blood (1) Serum or Plasma (1) Test Area Exposure (1) Test Category Acids (1) Alcohols (2) (-) Depressants (1) Other (2) Pesticides/Insecticides (1) Sedative/Hypnotics (2) Solvents (9) Terpenes (2) Volatiles (19) Test Sub-Category Sedative-Hypnotics (1) Test Test Name 4640B Trichloroethanol - Free, Blood