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pU1N <br /> ='o `c SQNJOAQUIN Environmental Health Department <br /> —COUNTY— <br /> Linda Turkatte, REHS, Director <br /> �1�q�Igoa;',`.`' Greatness grows here. Kasey Foley,REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellan, REHS <br /> Jeff Carruesco,REHS, RDI <br /> Michael Kith,REHS <br /> Willy Ng,REHS <br /> April 27, 2018 Muniappa Naidu,REHS <br /> w <br /> Brent Workman <br /> 21379 N. Mann Rd. <br /> Acampo, CA 95220 <br /> RE: DBCP in your Water Well at 21379 N. Mann Rd., Lodi <br /> The Environmental Health Department has received water test results taken by Precision <br /> Enviro-Tech. The sample taken on February 23, 2018, was tested for the chemical <br /> Dibromochloropropane (DBCP) and showed results of 0.38 ug/L (parts per billion) in your <br /> domestic well at the above referenced address at 21379 N. Mann Rd. <br /> The State Department of Health Services adopted 0.2 parts per billion (ppb) for DBCP in public <br /> drinking water systems; however, private well owners are not legally required to meet this <br /> standard. As a precaution for yourself, members and guests, the Environmental Health <br /> Department would suggest that you have your domestic well tested annually to verify if the <br /> above-described chemical continues to be above state drinking standards. <br /> If your private and/or agricultural well analysis for Dibromochloropropane exceeded the State <br /> standard of 0.2 ppb, the following alternatives are being provided for your guidance: <br /> 1. As a temporary measure, it is recommended that bottled drinking water be used if this well <br /> is supplying drinking water. <br /> 2. In cases where exposure may continue indefinitely, such as with contaminated private <br /> wells, installation of a water treatment device, such as a filter, may be advisable. However, <br /> using bottled water or installing a water treatment device at the kitchen water tap, will not <br /> stop exposure to DBCP if it is in your private water supply. Most treatment units sold for <br /> home installation only treat water at the point of use, such as the kitchen faucet, and do not <br /> prevent exposure through skin contact, bathing or inhalation. As a result, point of entry <br /> filters, which treat water for the entire house, are recommended because they remove all <br /> potential sources of exposure. The "granular activated carbon" filter is the recommended <br /> water treatment device in this case. It operates by passing the well water through a <br /> charcoal bed, thereby absorbing the DBCP contaminant. Water treatment equipment <br /> suppliers and installers are listed in your phone directory yellow pages under "Water <br /> Filtration & 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 /> placement of the well. Water quality may be determined and monitored through water <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjcehd.com <br />