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Work Plan for Refined Plume Definition and Management of Floating Product-7500 WIN St., Tracy, CA. Page 19 <br /> �. 6.0 PROPOSED GROUNDWATER-QUALITY MONITORING IN DOMESTIC <br /> WELLS <br /> �. To ensure that groundwater extracted from them is not affected by components of fuel <br /> hydrocarbons, samples will be recovered from the potable water supply wells at the <br /> following addresses: <br /> 7500 West Eleventh Street <br /> 24195 South Chrisman Road <br /> �- 7601 West Eleventh Street <br /> 23901 South Chrisman Road* <br /> 23950 South Chrisman Road <br /> �- Carmelo Business Park <br /> Note: <br /> * The domestic water-supply well at 23901 South Chrisman Road provides <br /> potable water to that property, which is the site of Suburban Propane's Tracy <br /> �- facility and to the property at 7501 West Eleventh Street, currently occupied <br /> by Capitol Furniture. However, the manager of Suburban Propane reports that, <br /> due to the generally poor quality of water from that well, none is used for <br /> drinking on that company's property(Dop 2002). <br /> Samples will be recovered from the potable water wells by SJC's State of California <br /> ...•�. Department of Health Services-certified Water Distribution Operator. SJC provided design <br /> and engineering services for recently installed potable water wells installed at Carmelo <br /> Business Park and 7601 West Eleventh Street. Both of those wells are equipped with <br /> sampling ports that are located at the well head up stream from the check valve and comply <br /> with current San Joaquin County regulations for community potable water supply wells. '��' <br /> Samples will be recovered from those wells by use of the sampling ports. In the case of the <br /> �- other wells listed above, they will first be inspected to determine whether or not they are <br /> equipped with a properly located sampling port. If they are not, subject to the agreement of <br /> their owners, a sampling port compliant with San Joaquin County's specifications will be <br /> installed before the groundwater in the wells is sampled. Before the samples are taken, the <br /> -V& p mp will be turned on and water will be flushed through the sampling port for a few <br /> minutes. Laboratory supplied glassware will then be completely filled with water from the <br /> sampling port. When full the glassware will be tightly closed, labeled for identification,12 kJ� <br /> hours, to STL's laboratory in Pleasanton, California. <br /> Each water sample will be analyzed for the following suite of analytes: <br /> Analyte Method of Analysis <br /> Total Petroleum Hydrocarbons EPA Method 50301$015 <br /> (quantified as Diesel) with pre-treatment by <br /> EPA Method 3630. <br /> ..... <br /> SJC <br />