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) (1) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category (-) Acids (2) Alcohols (3) Biomarkers (2) Depressants (1) Industrial/Environmental Toxins (1) Other (1) Pesticides/Insecticides (2) Sedative/Hypnotics (4) Solvents (15) Terpenes (2) Volatiles (15) Test Sub-Category Other (2) Test Test Name 4624SP Trichloroacetic Acid, Serum/Plasma 4624U Trichloroacetic Acid, Urine