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PUBLrC HEALTH SEiVICES <br /> SAN JOAQUIN COUNTY � _ <br /> JOGI KHANNA M.D..M.P.H. <br /> Health Officer <br /> P.O.Hoa 2009•(1601 Parc Hhmekosn Aw e)•Stodaon,CWK*rnb 93201 R� <br /> (209)468.3400 <br /> September 1, lW2 <br /> Mr. &Mn. Steven Van Du Yn c(OFf <br /> 2246 North Ripen Road <br /> Ripon, CA 95366 <br /> Rb: MS-92-124, 2U" & 22398 North Ripon Road, Ripon <br /> A sail suitability study was wed by Wong Enginmrs in which a test for Nit=e was tested <br /> for and showed results of 180 mg/l. <br /> The State Department of Health Services adopted a standard of 45 parts per million (ppm) for <br /> nkmies in public drinking water system however, private wall owners are not legally required <br /> to meet this standard. As a precut for yourself and family, we would suggest that you have <br /> your domestic well retested to verify the above sample results. <br /> If your private and/or agacaltmal well analysis for runts ugmWW the State standard of 45 ppm <br /> again, the following alter=ves am being provided for your guidance: <br /> 1. As a temporary measure, it is recommended that bottled ddvidng to be <br /> used if this well is supplying drinlong water.. <br /> 2. In uses where w9osure may continue may, such as with contaminated <br /> private wells, insolation of a such as a filter, maybe <br /> advisable. However, using bottled water or insta a water treatment device <br /> at the kitchen water tap, will nut 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 /> DWS of use, such as the ldtchen.faucet. As a result, powof oux filters, which <br /> treat water for dire entire house, are recommended because they remove all <br /> potential sources of exposure. The "Ravesrse Osmosis Parificaflon Filter" is the <br /> recommended water treatment device in this case. R operates bypassing the well <br /> water through a sedw of filters and reverse osmosis membranes thereby removing <br /> the nitrate cortaminamt. Water boamem m equipment suppliers and installers are <br /> hod in your phone directory yellow pages under "Water Filtration & <br /> Pinar Equ#xneft•" <br /> 3. A reerlaoement well is also an alternative for providing uncontaminated water. <br /> It is recommended that a teat well be drilled, in order to determine water quality <br /> prior to final Plaut of the well. water .quality may be, determined and <br /> A DMWon d Ssn)osgWn Carnry HMth Care SWdkVs � <br />