Profile: National Environmental Systems, Inc. manufactures remediation equipment, which is designed to treat groundwater, soil and air pollution. Our product line includes air sparging system, carbon adsorption system, oil water separators, soil vapor extraction systems and dual phase extraction systems. Our dual phase extraction uses vacuum pumps to remove various combinations of contaminated groundwater, separate-phase petroleum product and hydrocarbon vapor. Our vacuum blower is used to lift the compounds to the surface where particles and excess moisture are purged. Our standard equipment includes inline filter, air dilution valve and temperature guage.