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FILt: <br /> PUBLIC HEALTH SERVICES OPQUIy <br /> SAN JOAQUIN COUNTY ? <br /> L Z <br /> ENVIRONMENTAL HEALTH DIVISION a <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> 304 E.Weber Ave., 3rd Floor • P. O. Box 388 • Stockton, CA 95201-0388 • �q ....... ' <br /> 209/468-3420 F o a <br /> October 20, 1995 <br /> Mr. Ohm ' <br /> FIT, <br /> 32889 South Kasson Road <br /> Tracy, CA 95376 <br /> Re: Soil Suitability Study for MS-95-18 <br /> Ohm Property Located Ajacent to Parcel No. 255-024-03 <br /> A soil suitability study was submitted by Neil O. Anderson in which a test for Nitrate was <br /> tested for and showed results of 53 ppm (parts per million) in your well . <br /> The State Department of Health Services adopted a standard of 45 parts per million (ppm) <br /> for nitrates in public drinking water systems however, private well owners are not legally <br /> required to meet this standard. As a precaution for yourself and family, we would suggest <br /> that you have your domestic well retested to verify the above sample results. <br /> If your private and/or agricultural well analysis for nitrate exceeded the State standard of 45 <br /> ppm again, the following alternatives are being provided for your guidance: <br /> 1. As a temporary measure, it is recommended that bottled drinking water to be <br /> used if this well is supplying drinking water.. <br /> 2. In cases where exposure may continue indefinitely, such as with contaminated <br /> private wells, installation of a water treatment device such as a filter, maybe <br /> advisable. However, using bottled water or installing a water treatment device <br /> at the kitchen water tap, will not stop exposure to if it is in your private water <br /> supply. Most treatment units sold for home installation only treat water at the <br /> point of use, such as the kitchen faucet. As a result, goint of entry filters, <br /> which treat water for the entire house, are recommended because they remove <br /> all potential sources of exposure. The "Reverse Osmosis Purification Filter" <br /> is the recommended water treatment device in this case. It operates by <br /> passing the well water through a series of filters and reverse osmosis <br /> membranes thereby removing the nitrate contaminant. Water treatment <br /> equipment suppliers and installers are listed in your phone directory yellow <br /> pages under "Water Filtration & Purification Equipment." <br /> A Division of San Joaquin County Health Care Services <br />