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 (3) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (1) Test Category Acids (1) Analgesics (3) Antidepressants (3) Antiepileptics/Antiseizures (2) Antimicrobials (1) Antiparkinsons (1) Antipsychotics (3) Bronchodilators (1) Sedative/Hypnotics (1) Solvents (1) Stimulants (1) Sympathomimetic Amines (1) Terpenes (1) (-) Volatiles (1) Test Sub-Category Other (1) Test Test Name 4658U Trichloroethylene Exposure, Urine