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 (1) Depressants (1) Industrial/Environmental Toxins (1) Other (3) Pesticides/Insecticides (2) Sedative/Hypnotics (4) Solvents (18) Terpenes (3) Volatiles (28) Test Sub-Category Other (2) Test Test Name 4624B Trichloroacetic Acid, Blood 4624U Trichloroacetic Acid, Urine