“As California goes,” is the saying, “so goes the rest of the country.” Being a bellwether, The Golden State has proven ANSI American National Standards Institute CDC Centers for Disease Control and Prevention CI Certified Installer CIP clean in place CWS Certified Water Specialist DI deionization DBP disinfection byproduct EDI electrodeionization FDA US Food and Drug Administration FRP fiberglass reinforced plastic GAC granulated activated carbon gpd gallons per day gpm gallons per minute IAMPO International Association of Plumbing and Mechanical Officials MF microfiltration NOM natural organic matter NGWA National Ground Water Association NSF National Sanitation Foundation OEM original equipment manufacturer ORP oxidation-reduction potential PE Professional Engineer PLC programmable logic controller POE point of entry POU point of use PVC polyvinylchloride RO reverse osmosis TOC total organic carbon THM trihalomethane TDS total dissolved solids UF ultrafiltration US EPA US Environmental Protection Agency UV ultraviolet VFD variable frequency drive VOC volatile organic compounds WQA Water Quality Association WRF Water Research Foundation WC&P Glossary of Terms true to this appellation once more with its 2006 lead-free law, AB 1953. S.3874, a bipartisan-supported bill that established a new federal standard (modeled after the California law) went into effect January 1, 2010. British-owned John Guest plumbing products, however, are made entirely of plastic, so lead-free issues were an advantage from the start. Manufacturers who offer brass-content materials are now required to perform a thorough and expensive conversion process. Most of these manufacturers (and importers) already had to convert their products because of lead-free laws in California, Vermont and Maryland. Many have had to maintain dual inventories due to those state restrictions, and lead-free products
they now offer are higher in price.

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