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 Volatiles (1) Test Sub-Category Biomarkers (1) Cyanide (1) (-) Organochlorides (1) Other (14) Sedative-Hypnotics (1) Toxic Elements (10) Trace Elements (2) Test Test Name 4333B Tetrachloroethane, Blood