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 Alcohols (5) Aromatics (1) BAC (2) Drug Facilitated Sexual Assault (1) Organic (2) Organochlorides (3) Other (73) (-) Sedative-Hypnotics (1) Solvents (1) Test Test Name 4640B Trichloroethanol - Free, Blood