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 (1) (-) Serum or Plasma (1) Urine (1) Test Area (-) Exposure (1) Test Category (-) Acids (1) Biomarkers (2) Depressants (1) Metals/Elements (6) Solvents (1) Volatiles (1) Test Sub-Category Other (1) Test Test Name 4624SP Trichloroacetic Acid, Serum/Plasma