Groundwater sampling equipment, namely, bailers; Laboratory equipment, namely, plastic and elastomer closures, seals and stoppers for fluoropolymer laboratory bottles; Laboratory equipment and supplies, namely, acid purification systems, comprised of perfluoroalkoxy (PFA) and polytetrafluoroethylene (PTFE); laboratory bottles made of perfluoroalkoxy (PFA), fluorinated ethylene propylene (FEP) and polytetrafluoroethylene (PTFE); Laboratory equipment and supplies, namely, Cap liners made of polytetrafluoroethylene (PTFE) for inert sealing of laboratory bottles; Laboratory equipment and supplies, namely, check/foot valves made of polytetrafluoroethylene (PTFE) for use in sampling; Laboratory equipment and supplies, namely, in-line filters for use in groundwater sampling; Laboratory equipment and supplies, namely, gas and liquid sampling bags made of Tedlar and perfluoroalkoxy (PFA) (PFA) for use in environmental sampling; Laboratory equipment and supplies, namely, rods made of polytetrafluoroethylene (PTFE); Laboratory equipment and supplies, namely, nitrile gloves; Laboratory equipment and supplies, namely, rupture membranes of perfluoroalkoxy (PFA) (PFA), for use in laboratory and analyzing equipment; Laboratory equipment and supplies, namely, molded perfluoroalkoxy (PFA) labware in the nature of laboratory equipment for sampling, analyzing and research; Laboratory equipment and supplies, namely, sheet made of polytetrafluoroethylene (PTFE) for use in laboratory settings; Laboratory equipment and supplies, namely, tape squares of polytetrafluoroethylene (PTFE) for use of laboratory settings; Laboratory equipment and supplies, namely, soil sample syringes for use in ground sampling; Laboratory equipment and supplies, namely, stirrer magnets of polytetrafluoroethylene (PTFE) for use in laboratory stirring equipment; Laboratory equipment and supplies, namely, surface protector rolls of fluorinated ethylene propylene (FEP) for use on laboratory benches; Laboratory equipment and supplies, namely, tubing of fluorinated ethylene propylene (FEP), polytetrafluoroethylene (PTFE) and perfluoroalkoxy (PFA) (PFA) for use in sampling, laboratory use and research; Laboratory equipment and supplies, namely, transfer cap assemblies for use in environmental sampling