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/Mass Spectrometry (GC/MS) (2) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category (-) Acids (2) Test Sub-Category (-) Carboxylic Acids (2) Other (2) Test Test Name 2134SP Formic Acid, Serum/Plasma 2134U Formic Acid, Urine