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) (2) Sample Type (-) Blood (1) (-) Serum or Plasma (1) Urine (1) Test Area (-) Exposure (2) Test Category (-) Acids (2) Biomarkers (4) Depressants (2) Metals/Elements (11) Solvents (3) Terpenes (1) Volatiles (5) Test Sub-Category Other (2) Test Test Name 4624B Trichloroacetic Acid, Blood 4624SP Trichloroacetic Acid, Serum/Plasma