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 (1) (-) Serum or Plasma (1) Test Area Exposure (1) Test Category Depressants (1) Test Sub-Category Anticholinergics (1) Barbiturates (2) Other (7) Phenothiazines (2) (-) Sedative-Hypnotics (1) Tricyclic (1) Test Test Name 4640SP Trichloroethanol - Free, Serum/Plasma