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) Test Area Exposure (1) Test Category NPS/Designer Drugs (2) (-) Volatiles (1) Test Sub-Category (-) Organochlorides (1) Other (8) Test Test Name 4333B Tetrachloroethane, Blood