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1u <br /> � 7 <br /> Table 2 <br /> Groundwater Analytical Results <br /> Former Unocal Service Station#0123 <br /> 1034 Central Avenue <br /> Tracy, California <br /> Well 1€D Date TOG Cadmium Chromium Lead Nickel Zoic <br /> E ppm 7 <br /> U-1 03/24/98 ND ND ND ND ND 0 041 <br /> U-2 03/24/98 ND ND 0 024 ND ND 0 030 <br /> U-3 06/02/95 ND ND 059 0 091 050 072 <br /> 03/24/98 ND ND ND ND ND 0 011 <br /> U4 03/24/98 ND ND 0 015 ND ND 0 031 <br /> EXPLANATIONS, <br /> Laboratory analytical results prior to March 24, 1998, were provided by MPDS Services, Inc <br /> TOG = Total Oil and Grease <br /> ppm = Parts per million <br /> ND = Not Detected <br /> ANALYTICAL MYJHOD. <br /> TOG by EPA Method 5520B <br /> Metals by EPA Method 6010(ICP) <br />