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�-(0 v- U 4 -j Title 22 V. (j) f health Services (DHS) sets drinking water Mercury: "The California Department orid standards and has determined that mercury is a health concern at certain levels of exposure. This r. . inorganic metal is used in electrical equipment and some water pumps. It usually gets into water as result of improper waste disposal. This chemical has been shown to damage the kidney of a laboratory animals such as rats when the animals are exposed at high levels over their lifetimes. DH has set the drinking water standard for mercury at 0.002 part per million_(ppm).to protect against the jet risk of these adverse health effects. Drinking water that meets the DIIS standard is associated with little to none of this risk and is considered safe with respect to mercury. P (k) Nickel: "The California Department of Health Services (DHS) sets drinking water a standards and has determined that nickel poses a health concern at certain levels of exposure. This inorganic metal occurs naturally in soils, ground water and surface waters and is often used in electroplating, stainless steel and alloy products. It generally gets into water from mining and refining ]g operations. "Phis chemical has been shown to damage the heart and liver in laboratory animals when ; the animals are exposed to high levels over their lifetimes. DI-IS has set the drinking water standard , ' m for nickel to protect against the risk of these adverse effects. Drinking . to 0.1 part per million (ppm) water which meets the DHS standard is associated with little to none of this risk and should be considered safe with respect to nickel." .i 1 Nitrate: "The California Department of Health Services (DfIS) sets drinking water , standards and has determined that nitrate poses an acute health concern at certain levels of exposure. Nitrate is used in fertilizer and is found in sewage and wastes from human and/or farm animals and generally gets into drinking water from those activities. Excessive levels of nitrate in drinking water have caused serious illness and sometimes death in infants under six months of age. "Pile serious illness in infants is caused because nitrate is converted to nitrite in the body. Nitrite interferes with the oxygen carrying capacity of the child's blood. This is an acute disease in that symptoms can ; develop rapidly in infants. In most cases, health deteriorates over a period of days. Symptoms include shortness of' breath and blueness of the skin. Clearly, expert medical advice should be sought immediately if these symptoms occur. The purpose of this notice is to encourage parents and other responsible parties to provide infants with an alternate source of drinking water. Local and State health authorities are the best source for information concerning alternate sources of drinking water for infants. DI-iS has set the drinking,water standard at 10 part per million (ppm) nitrate as nitrogen (equivalent to the 45 parts per million nitrate as nitrate drinking water standard) to protect against the risk of these adverse effects. DI-IS has also set a drinking water standard for nitrite at i ppm. To allow for the fact that the toxicity of nitrate and nitrite are additive, DfIS has also established a standard for the sum of nitrate and nitrite at 10 ppm as nitrogen. Drinking water that meets the DHS standard is associated with little to none of this risk and is considered safe with respect to nitrate." (m) Nitrite: "The California Department of Health Services (DI-IS) sets drinking water ite poses an acute health concern at certain levels of exposure. standards and has determined that nitr This inorganic chemical is used in fertilizers and is found in sewage and wastes from humans and/or farm animals and generally gets into drinking; water as a result of those activities. While excessive - --- - 245