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) (4) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area (-) Exposure (2) Test Category (-) Herbicides (2) Pesticides/Insecticides (2) Test Sub-Category Other (2) Test Test Name 3325B Paraquat, Blood 3325SP Paraquat, Serum/Plasma