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• Dornestic Well Installation Report(DW 2R) 5 Ranch Market,23564 south Santa Fe Road,Riverbank CA February 1,2001 The third confirmation groundwater samples collected from DW-2R on January 11, 2001, did not contain toluene at concentrations above the laboratory-reporting limit of 0 50 ppb The sample was reported to contain chloroform at a concentration of 12 0 ppb, well below the California's Department of Health Services MCL of 100 ppb WELL CONNECTION The presence of chloroform in the water appears to be the result of disinfecting the water, gravel pack material, and pump assembly in the well After review of the data, Mr Infurna with the SJCEHD gave SECOR a verbal approval to connect the water line from well DW-2R into the main water line of the Pantoja Property On January 18, 2001, SECOR met with Mr Infuma with SJCEHD for the final inspection of well DW-2R The water service from the Aero Pure Water supply tank was disconnected and the water valve was opened, allowing DW-2R to supply water to the home on the Pantoaa Property On January 25, 2001, Bradley extended the temporary water connection at the front of the house to the main water valve, located at the north side of the house CONCLUSIONS Per the requirements of the SJCEHD and the RWQCB, replacement well DW-2R was successfully installed and is supplying water to the residents on the Pantoja Property located at 23565 South Santa Fe Road, Riverbank, CA Water samples collected from the newly installed well document that no BTEX, TPHg, oxygenates, 1,2-DCA, or EDB are present in water a concentration above the laboratory reporting limits In addition, the water sample collected from well DW-2R does not contain nitrate as NO3 or nitrite as nitrogen at concentrations above the California's Department of Health Services maximum contaminant levels Although SECOR contracted and oversaw the installation of the well, the property owner, Mr Juan Pantoja is the sole owner of the well As the well owner, Mr Pantoja is now responsible for the operation and maintenance of well DW-2R on the property located at 23565 South Santa Fe Road in Riverbank, CA File DW-2 Destruct doe