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) (7) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (6) Sample Type Blood (6) (-) Serum or Plasma (1) Tissue (1) Urine (6) Test Area Exposure (1) Test Category (-) Acids (1) Alcohols (1) Drugs of Abuse (1) Solvents (1) Therapeutics (1) Test Sub-Category Carboxylic Acids (1) Test Test Name 2134SP Formic Acid, Serum/Plasma