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PUBLIC HEALTH SERVICES �oPj�o <br /> SAN JOAQUIN 0WN"Il _ <br /> YXTI KFIANNA NH),M.P.H <br /> Health Officer <br /> P.O. Box 2(X)9 • ( 1601 East Hazelton Avenue) • Stockton, California 95201 �t F oR <br /> (209)461,8-34W <br /> May 20, 1991 <br /> James Renfroe <br /> 28823 Lemon Rd <br /> Escalon, CA 95320 <br /> Re: Soil Suitability Study for MS-91-59 <br /> A soil suitability study was submitted by R. W. Siegfried & <br /> Associates in which test for Nitrate was tested for and showed <br /> results of 45 mg/l (parts per million) . <br /> The State Department of Health Services adopted a standard of 45 <br /> parts per million (ppm) for nitrates in public drinking water <br /> systems however, private well owners are not legally required to <br /> meet this standard. <br /> If your private and/or agricultural well analysis for nitrate meet <br /> the State standard of 45 ppm, the following alternatives are being <br /> provided for your guidance: <br /> 1. As a temporary measure, it is recommended that bottled <br /> drinking water to be used. <br /> 2 . In cases where exposure may continue indefinitely, such <br /> as with contaminated private wells, installation of a <br /> water treatment device, such as a filter, maybe <br /> advisable. However, using bottled water or installing a <br /> water treatment device at the kitchen water tap, will not <br /> stop exposure to if it is in your private water supply. <br /> Most treatment units sold for home installation only <br /> treat water at the point of use, such as the kitchen <br /> faucet. As a result, point of entry filters, which treat <br /> water for the entire house, are recommended because they <br /> remove all potential sources of exposure. The "Reverse <br /> Osmosis Purification Filter" is the recommended water <br /> treatment device in this case. It operates by passing <br /> the well water through a series of filters and reverse <br /> osmosis membranes thereby removing the nitrate <br /> contaminant. Water treatment equipment suppliers and <br /> installers are listed in your phone directory yellow <br /> pages under "Water Filtration & Purification Equipment. " <br /> 3 . A replacement well is also an alternative for providing <br /> uncontaminated water. It is recommended that a test well <br /> A i)ivisiim of Sin inagnin ffnmt1 liralth(mr ti(nicrs lk I) <br />