TOCK

KITS OF PORTABLE TESTING EQUIPMENT FOR MEASURING THE CONCENTRATION OF VOLATILE ORGANIC MATERIALS IN AIR AND WATER COMPRISING A CALIBRATED CONCENTRATOR AND SPARGER, PRECISION OVEN AND CONTROLLER, SYRINGE TRAPS, FLOW CONTROLLER, MAGNETIC STIRRER AND ASSOCIATED VALVE, NEEDLES, CLAMPS, TUBING, HOSES AND INSTALLATION FITTINGS