Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) (-) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (3) Serum or Plasma (1) (-) Urine (1) Test Area (-) Exposure (1) Test Category Acids (1) Alcohols (1) Solvents (2) Terpenes (1) (-) Volatiles (1) Test Sub-Category Other (1) Test Test Name 4658U Trichloroethylene Exposure, Urine