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) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (3) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Spectrophotometry (SP) (1) Sample Type (-) Blood (2) Serum or Plasma (1) Urine (1) Test Area Exposure (2) Test Category (-) Acids (1) Alcohols (1) Drugs of Abuse (1) Gases (1) (-) Other (1) Solvents (1) Therapeutics (2) Volatiles (5) Test Sub-Category Carboxylic Acids (1) Other (1) Test Test Name 2134B Formic Acid, Blood 8103B Environmental Exposure Screen, Blood