Laserfiche WebLink
I <br /> I I <br /> i <br /> I , <br /> �. Quarterly Report - Second Quarter 2002 <br /> , <br /> RAINWATER CAR WASH <br /> 420 West Yosemite Avenue, Manteca, California <br /> I <br /> ' 1.0. INTRODUCTION <br /> Advanced GeoEnvironmental,Inc (AGE)has prepared this quarterly report for 420 West Yosemite <br /> ' Avenue,Manteca,California(the site) The site setting is Illustrated on Figure 1 Site structures and <br /> monitoring well locations are depicted on Figure 2 <br /> ' The objectives for the second quarter 2002 investigation were to characterize, assess and monitor <br /> dissolved petroleum hydrocarbons in ground water,to characterize ground water flow direction and I <br /> ' gradient and to continue an interim ground water remediation at the site This report is prepared in' <br /> accordance with guidelines established by the California Regional Water Quality Control Board <br /> (RWQCB) - Central Valley Region for investigation of underground storage tank (UST) sites <br /> ' Background information and a description of prior investigations at the site were included in AGE's <br /> Interim Remediation Work Plan -June 2001, dated 22 June 2001 <br /> ' The following is a brief summary of April, May and June 2002 site assessment and interim ground <br /> water remediation activities performed at the site <br /> ' •I 01 April through 06 June 2002 - Continue interim "pump-and-treat" ground water <br /> remediation utilizing on-site extraction well EW-1,discharge approximately 123,453 gallons <br /> of extracted and treated water Into City of Manteca sanitary sewer system <br /> a. <br /> I 01 April 2002_Performance of a monthly ground water pump-and-treat Influent and effluent <br /> water monitoring event <br /> I ' 17 April 2002-Performance of a monthly groundwater pump-and-treat influent and effluent <br /> water monitoring event <br /> ' 22 May,2002-Performance of a monthly,groundwater pump-and-treat influent and effluent <br /> water monitoring event <br /> 29 May 2002 - Performance of the second quarter 2002 ground water monitoring event <br /> l 06 June 2002-Performance of a monthly ground water pump-and-treat influent and effluent <br /> water monitoring event <br /> ' I 2.0 INTEIRIM GROUND WATER PUMP AND TREAT REMEDIATION SYSTEM <br /> I I I <br /> I <br /> Between 01 April 2002 and 06 June 2002, an Interim ground water pump-and-treat system was in <br /> ' continuous operation at the site, interim ground water pump-and-treat operation and maintenance <br /> procedures for the site were outlined in AGE's Interim Remediation Work Plan -June 2001,dated <br /> 21 June 2001 to <br /> Advanced GcoEnvironmental,Inc <br /> I' dq III Ip i t i I i i i` i I <br /> 1 I I <br /> 1 � I <br /> I <br /> } I I} I II I <br /> I <br /> I r <br />