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WORK PLANFOR <br /> ® u� <br /> PHASE II ENVIRONMENTAL ASSESSMENT OCT 171996 <br /> AND GROUNDWATER MONITORING PROGRAM <br /> AT <br /> ENVIRONMENTALE ICES <br /> AMERICAN SAVINGS BANK PROPERTY <br /> 222 EL DORADO STREET <br /> STOCKTON, CALIFORNIA <br /> Santochi & Bravante LLC (S&B) proposes performing a subsurface investigation and additional <br /> monitoring at the American Savings Bank (ASB) owned property located at 222 El Dorado Street <br /> Stockton, California (see Site Location Map). This investigation will consist of subsurface <br /> sampling near the elevator, in the basement of the building where varying levels of hydrocarbons <br /> were previously detected. Additionally, San Joaquin County Environmental Health has informally <br /> requested that monthly groundwater monitoring be instituted in order to ascertain whether a <br /> consistent gradient is present or whether the gradient is fluctuating. Analytical data will be collected <br /> in the first monitoring event. Repeated monitoring events for the following two months will consist <br /> of measuring the water level only. <br /> The purpose of this investigation is to determine if the groundwater impact is from an onsite or <br /> offsite source. Additionally,borings placed near the elevator will determine if a release of hydraulic <br /> fluid has taken place, and the extent of the impact if any. <br /> SCOPE OF WORK <br /> PERMITTING <br /> A permit for the subsurface environmental investigation will be obtained, in accordance with the <br /> requirements of the San Joaquin County Environmental Health Services Site Mitigation Unit. San <br /> Joaquin County will be notified within 48 hours prior to commencement of soil borings or <br /> groundwater monitoring. <br /> W-OBK�CHEDULE <br /> The projected schedule will be as follows: <br /> • Permitting Prior to October 15th <br /> • Drilling and soil sampling October 15th-3 I st <br /> • Preparation of initial report November 30th <br /> American Savings Bank Project#9620-040-1 <br /> October 9, 1994 1 Stockton,California <br />