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 Alkaloids (2) Alpha Blockers (1) Antibiotics (2) Anticholinergics (2) Barbiturates (4) Benzodiazepines (3) Beta Blockers (1) Cyanide (2) Diuretics (1) NSAIDs (1) Opiates/Opioids (10) Organochlorides (2) Other (37) Phenothiazines (4) (-) Sedative-Hypnotics (1) Toxic Elements (11) Tricyclic (6) Vasoconstrictors (2) Test Test Name 4640B Trichloroethanol - Free, Blood