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BruscaAssociates.com ● P.O. Box 332, Roseville, CA 95661 ● Phone (916) 677-1470 <br /> <br /> <br /> <br /> <br />August 10, 2017 <br /> <br /> <br />Buzz Oates Development and Construction Services <br />Attention: Troy Estacio <br />555 Capitol Mall, Ninth Floor <br />Sacramento, CA 95814 <br /> <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 /> <br /> <br />INTRODUCTION <br /> <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 /> <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 /> <br /> <br /> <br /> <br />