POLYTETRAFLUOROETHYLENE (PTFE) PIPE; POLYVINYL CHLORIDE (PVC) MONITORING SCREENS AND CASINGS; PTFE MONITORING SCREENS AND CASINGS; STAINLESS STEEL MONITORING CASINGS; PVC AND POROUS MEDIUM PIEZOMETERS; VARIABLE CAPACITY BAILERS MADE OF PVC, PTFE, LEXAN OR STAINLESS STEEL AND ASSOCIATED ACCESSORIES; PVC AND PTFE AIR OR GAS LIFT SAMPLERS AND ASSOCIATED EQUIPMENT; PVC, PTFE AND STAINLESS STEEL BLADDEER PUMPS; ELECTRICALLY OPERATED MODULAR SEQUENCE TIME CONTROL UNITS; PVC AND PTFE TRANSFER VESSELS; PTFE DISK LYSIMETERS; VACCUM PRESSURE, SLEEVE AND CASING LYSIMETERS MADE OF PVC OR PTFE; MONITORING WELL CENTRALIZERS; SILICA FLOUR FOR LYSIMETER INSTALLATION; PVC WASHDOWN VALVES; ALL FOR USE IN THE CREATION AND OPERATION OF GROUND WATER QUALITY MONITORING WELLS
Electrical and Scientific ApparatusPVC SANDPOINTS AND PVC WELL SCREENS AND ASSOCIATED ACCESSORIES FOR WATER SUPPLY INSTALLATIONS
Environmental Control Apparatus