The Water Quality Association (WQA) The WQA is dedicated to promoting the highest standards of honesty, integrity, fair dealing and professionalism in the water treatment improvement industry, and committed to stringent product testing. WQA represents more than 2,400 member companies in more than 70 countries. To learn more about the WQA , visit their web site at www.wqa.org. The eSpring™ Water Purifier has WQA's Gold Seal The WQA developed the Gold Seal program to help consumers choose high quality water treatment products. It awards the Gold Seal only to those systems that have met or exceeded industry standards (see below). The eSpring Water Purifier has been awarded the WQA Gold Seal. Gold Seal requirements Product performance testing - measures contaminant reduction capabilities over the life of the water treatment product Structural integrity testing - measures durability under pressurization beyond the usual demands of home water systems and simulates 10 years normal use Materials safety assurance - confirms nothing harmful will be added to the water Literature reviews - ensure the Water Quality Association's high Code of Ethics standards in product advertising, labeling and installation instructions Customers can easily identify WQA-validated products by looking for the Gold Seal mark or through product listings in the Validated Water Treatment Equipment Directory available through the WQA. To learn more about the WQA, visit their web site at www.wqa.org.