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/Mass Spectrometry (GC/MS) (2) Sample Type (-) Blood (1) (-) Serum or Plasma (1) Urine (3) Test Area (-) Exposure (2) Test Category (-) Acids (2) Alcohols (6) Biomarkers (1) Emetics (2) Gases (1) Herbicides (2) Metals/Elements (30) Pesticides/Insecticides (6) Solvents (11) Volatiles (17) Test Sub-Category Carboxylic Acids (2) Test Test Name 2134B Formic Acid, Blood 2134SP Formic Acid, Serum/Plasma