Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Gas Chromatography (GC) (12) (-) 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 Industrial/Environmental Toxins (1) Other (1) (-) Pesticides/Insecticides (2) Test Sub-Category Herbicides (2) Your search has returned no tests.