Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (4) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) Test Category Herbicides (2) Test Sub-Category Herbicides (2) (-) Other (2) Test Test Name 3325B Paraquat, Blood 3325SP Paraquat, Serum/Plasma