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' I' 1 K L E I N F E L D E R <br /> TPH-D was detected in the groundwater samples collected from MW-1 during the October 2000 <br /> and January 2001 sampling events at concentrations ranging from 14 4 to 18 6 mg/l BTEX were <br /> not detected from groundwater samples collected during these two sampling events TPH-G, which <br /> was analyzed for the first time in January 2001 was detected in the groundwater sample collected <br /> from MW-1 at 3 3 mg/1 <br />' The Central Valley Regional Water Quality Control Board (RWQCB) and PHS/EHD requested <br /> continued quarterly groundwater sampling, and a workplan to address the extent of the <br />' contamination in the vicinity of the subject site, including a sensitive receptor survey and estimates <br /> as to the amount of contamination in soil and groundwater <br /> At the request of General Mills, Kleinfelder installed three additional monitoring wells in the <br /> vicinity of the UST in January 2002 During the installation, soil samples were collected from the <br /> borings for laboratory analysis None of those samples contained detectable concentrations of <br />' TPH-G, TPH-D, nor BTEX, at or above laboratory reporting limits This following Sections <br /> document the findings from the quarterly groundwater sampling from monitoring wells MW-1 <br /> through MW-4 in 2002 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> ' 18748 T02/ST03RO81 Page 6 of 12 <br /> ©2003 Kleinfelder,Inc G January 23,2003 <br />