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) (2) Sample Type (-) Blood (1) (-) Serum or Plasma (1) Urine (1) Test Area (-) Exposure (2) Test Category Alcohols (4) Chemicals (1) Herbicides (2) Metals/Elements (7) Perfluorinated Compounds (4) Pesticides/Insecticides (2) (-) Solvents (2) Volatiles (7) Test Sub-Category Other (2) Test Test Name 4030B Pyridine, Blood 4030SP Pyridine, Serum/Plasma