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HORIZON ENVIRONMENTAL INC• II <br /> Specialists in Site Assessment,Remedial Testing,Design and Operation E <br /> I; <br /> I' <br /> WORK PLAN <br /> I, <br /> ADDITIONAL SUBSURFACE INVESTIGATION <br /> at <br /> Former Discovery Chevrolet <br /> 1615 11th Street <br /> Tracy, California r <br /> l <br /> INTRODUCTION <br /> At the request of Ms. Michelle Nokes of Winner Ford, Alameda, California, Horizon <br /> Environmental (Horizon) has prepared this Work Plan to conduct an additional subsurface <br /> investigation at the Former Discovery Chevrolet in Tracy, California. The purpose of this <br /> j <br /> { proposed work is to further assess gasoline-impacted soil and groundwater in the former { <br /> underground storage tank (UST) area laterally and to evaluate if natural attenuation is a feasible <br /> remedial alternative. <br /> �l <br /> The scope of work to be performed includes: Obtaining necessary permits from the County of <br /> San Joaquin; preparing a site safety plan; excavating gasoline-impacted soil from the former <br /> UST cavity; drilling borings for construction of two groundwater monitoring wells crossgradient <br /> and downgradient of the gasoline UST area; collecting soil samples within and around the foremr <br /> UST cavity; sampling and measuring the groundwater in the site wells; and preparing a report <br /> which presents field procedures, results, and conclusions. The scope does not include evaluation <br /> 5011 Golden Foothill Parkway,Suite 7 • EI Dorado Hills,CA 95762 • (916)939-2170 • FAX(916)939-2172 <br /> P.O.Box 5283 • Bakersfield,CA 93388 • (805)589-8389 FAX(805)589-1456 <br />