Lead poisoning causes Nervous System damage, stunted growth, delayed development, can cause Liver and Kidney failure. SLGI Home Test Kit ? for Lead in Drinking Water is easy and simple to use. All tests are run by approved methods. Kit comes complete with everything needed to sample for the amount of lead in drinking water. Simply ship sample back to the lab in original box. Analysis Fee is included in the price. NO hidden fees. Professional and accurate analytical results are available to view online within 1 business days of receipt of your kit.