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Tracer Research Corporation <br /> 1.0 HOLLY SUGAR SITE INVESTIGATION <br /> a Tracer Research Corporation (Tracer Research) performed a Vapor Trace® <br /> ' shallow soil gas and groundwater investigation at the Holly Sugar site located at <br /> 20500 Holly Dnye in Tracy, California The investigation was conducted on June 30, <br /> -� 1994 for Harding Lawson Associates (HLA) of Sacramento, California <br /> 1 1 Objective <br /> The purpose of the investigation was to determine the presence of possible <br /> subsurface contamination by screening shallow soil gas and groundwater for the <br /> presence of volatile organic compounds (VOCs) Soil gas and groundwater samples <br /> 3 were collected and analyzed for the following analyte class and compounds <br /> Analyte Class: Hydrocarbon. <br /> benzene, toluene, ethyl benzene, xylenes (BTEX) <br /> total volatile hydrocarbons (TVHC) <br /> 1.2 Overview of Results <br /> This investigation was to be a groundwater survey, however, groundwater <br /> was not encountered at all locations Therefore, soil gas samples were collected and <br /> analyzed at several locations and groundwater was collected and analyzed when <br /> encountered A total of six soil gas and five groundwater samples were collected from <br /> 1 l eleven sample locations Soil gas samples were collected at 12 to 14 feet below <br /> J ground surface (bgs) Groundwater samples were collected at 11 to 17 feet bgs. A <br /> -- summary of the results of the soil gas and groundwater investigation is presented in <br /> Tables is and lb on the following page <br /> 1� <br /> _ July l9.1994 Page i t i 4029 i s <br /> a <br />