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) (2) Sample Type Blood (2) Test Area Drugs of Abuse (2) (-) Exposure (2) Impairment (1) Test Category Volatiles (2) Test Sub-Category (-) Organochlorides (2) Other (82) Test Test Name 3430B Tetrachloroethylene, Blood 4333B Tetrachloroethane, Blood