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) (9) (-) Headspace Gas Chromatography (GC) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Spectrophotometry (SP) (1) Sample Type (-) Blood (3) Serum or Plasma (5) Test Area Drugs of Abuse (6) (-) Exposure (3) Impairment (3) Therapeutics (16) Test Category Pesticides/Insecticides (1) Volatiles (2) Test Sub-Category Herbicides (1) Other (2) Test Test Name 1590B Diethyl Ether, Blood 1740B Dioxane-1,4, Blood 1789B Diquat, Blood