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) (1) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area (-) Exposure (1) Test Category Alcohols (2) Metals/Elements (3) Pesticides/Insecticides (1) Plasticizers (1) (-) Solvents (1) Volatiles (2) Test Sub-Category Other (1) Test Test Name 4030U Pyridine, Urine