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Lead and Copper Rule Drinking Water Requirements Lead and copper enter drinking water primarily through plumbing materials Exposure to lead and copper may cause health problems ranging from stomach distress to brain damage In 1991 EPA published a regulation to control lead and copper in drinking water This regulation is known as the Lead and -lead zinc carolina-,International Lead Zinc Research Organization Inc in Find International Lead Zinc Research Organization Inc located at 1822 E Nc Highway 54 Durham North Carolina 27713 Contact 9193614647 Ratings reviews hours phone number and directions from ChamberofCommerce com =……

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