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• • <br /> DBrusea <br /> Associates, Inc. <br /> Environmental Engineering Geology <br /> August 10, 2017 <br /> Buzz Oates Development and Construction Services <br /> Attention: Troy Estacio <br /> 555 Capitol Mall,Ninth Floor <br /> Sacramento,CA 95814 <br /> SOIL GAS MONITORING WORKPLAN <br /> MURPHY PARKWAY PROPERTY <br /> APN 198-012-009 <br /> 17100 Murphy Parkway <br /> Lathrop, California <br /> Brusca Project No. 137-002 <br /> INTRODUCTION <br /> In accordance with your request, we have prepared this Workplan for the installation of soil gas <br /> monitoring wells and the performance of soil gas monitoring at the subject site. The soil gas <br /> well installations and monitoring have been required by regulatory agencies overseeing <br /> environmental conditions at the site associated with residual subsurface waste materials known <br /> to exist in the vicinity. The purpose of the soil gas monitoring is to evaluate whether soil gas <br /> contaminants, including methane or volatile organic compounds (VOCs), exist at concentrations <br /> that would warrant protective measures to be implemented at the site. This Workplan presents <br /> background information regarding the property and a description of the planned soil gas well <br /> installation procedures and monitoring program. This Workplan will be submitted to the lead <br /> oversight agency (the San Joaquin County Environmental Health Department [SJCEHD]) for <br /> review and approval prior to implementing the work. <br /> A Vicinity Map showing the location of the subject property is presented as Plate 1. Plate 2 is a <br /> Site Map showing the layout of the property, the planned building at the site, the proposed <br /> locations for soil gas monitoring wells, and the location of an existing onsite soil gas monitoring <br /> well to be abandoned. A detail drawing shown the planned configuration of the soil gas <br /> monitoring wells is presented as Plate 3. <br /> BruscaAssociates.com • P.O.Box 332,Roseville,CA 95661 •Phone(916)677-1470 <br />