laboratory diagnostic - toxicology - Trichloroethylene, whole blood, EDTA/heparin whole blood 5ml. Sample at end of work shift and transfer of whole blood into a special glass tube with a PTFE stopper, tube supplied upon request. Do not use tubes containing merthiolate. Gas Phase Chromatography/electron captors, ssso, todylaboratories®, bmn, code L16LD2291