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M55$. g <br /> PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY 4 <br /> ENVIRONMENTAL HEALTH DMSION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> November 5, 1998 In0i <br /> Don Chesney <br /> Quality Control Inspection <br /> 1295 N. Emerald <br /> Modesto, CA 95351 <br /> Re: Soil Suitability Study for 22266 Burwood Rd., Escalon, CA 95320 <br /> A soil suitability study submitted by Don Chesney tested for Nitrate and showed results of 53 mg/1 <br /> (parts per million.) <br /> The State Department of Health Services adopted a standard of 45 parts per million (ppm) for nitrate in <br /> public drinking water systems, however, private well owners are not legally required to meet this <br /> standard. <br /> If your private and/or agricultural well analysis for nitrate exceeded the State standard of 45 ppm. The <br /> following alternatives are being provided for your guidance: <br /> 1. As a temporary measure, it is recommended that bottled drinking water be used. <br /> 2. In cases where exposure may continue indefinitely, such as with contaminated private wells, <br /> installation of a water treatment device, such as a filter, may be advisable. However, using <br /> bottled water or installing a water treatment device at the kitchen water tap will not stop <br /> exposure to chemicals if it is in your private water supply. Most treatment units sold for home <br /> installation only treat water at the point of use, such as the kitchen faucet, and do not prevent <br /> exposure through skin contact, bathing or inhalation. As a result, point of entry filters, which <br /> treat water for the entire house, are recommended because they remove all potential sources of <br /> exposure. The "Reverse Osmosis Purification Filter" is the recommended water treatment <br /> device in this case. It operates by passing the well water through a series of filters and reverse <br /> osmosis membranes thereby removing the nitrate contaminant. Water treatment equipment <br /> suppliers and installers are listed in your phone directory yellow pages under "Water Filtration <br /> & Purification Equipment". <br /> 3. A replacement well is also an alternative for providing uncontaminated water. It is <br /> recommended that a test well be drilled, in order to determine water quality prior to final <br /> 0,O placement of the well. Water quality may be determined and monitored through water sample <br /> �� alysis performed by a State Certified Laboratory. (See attached list of State Certified <br /> boratories). <br /> A Division of San Joaquin County Health Care Services <br />