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22 October 2001 <br /> AGE-Project No. 96-0232 <br /> Page 2 of 2 <br /> 15 January 2003, respectively. <br /> 2. A down-stream receiving water sampling station,R-2, is located approximately 80 feet west <br /> of the point of discharge. Sampling station R-2 was approved by the RWQCB during a site <br /> inspection on 22 November 2000. In accordance with Attachment I, additional grab water <br /> samples will be collected from R-2 on a quarterly basis. The samples will be analyzed by in <br /> accordance with the analytical scheme outlined above (Item No. 1). Monthly down-stream <br /> receiving water flow measurements will be measured at R-2 using a Global Water flowprobe. <br /> Sampling and reporting will be as detailed above(Item No. 1). <br /> An up-stream receiving water sampling station,R-1, is located approximately 50 feet east of <br /> the point of discharge. Sampling station R-1 was approved by the RWQCB during a site <br /> inspection on 22 November 2000.Since 06 December 2000,AGE has performed ten monthly <br /> monitoring events of receiving water at sampling stations R-1 and R-2. However, water <br /> monitoring could not be performed at station R-1 during eight of the 10 monthly monitoring <br /> events because there was no upstream water flow.Because upstream flow at R-1 has been dry <br /> on eight of ten occurrences, AGE suspects that future upstream flow will only occur a few <br /> months of the year.Therefore,AGE requests that the additional receiving water requirements <br /> should not apply towards station R-1. <br /> 3. Because Flag City Chevron is classified as a minor discharger, analysis of dioxin and <br /> dibenzofuran congeners will be performed twice from both the ground water pump-and-treat <br /> effluent and station R-2.The samples will be collected on 07 March 2002("wet weather")and <br /> 05 September 2002("dry weather"). Analytical results of the samples will be reported to the <br /> RWQCB in a quarterly report by 15 April 2002 and 15 October 2002, respectively. <br /> If you have any questions or require further information,please contact our office at(209)467-1006. <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc- <br /> TimothyV Vellar <br /> Project Geologist <br /> cc: Mr. Mike Infuma, San Joaquin County Public Health Services Environmental Health Div. <br /> Mr. Richard Bokides, Bokides Family Limited Partnership <br /> Mr. Scott Rishwain, Rishwain&Rishwain <br /> Mr. Nick Dhingsa,Flag City First Investment <br /> Mr. Steve Coldani, Coldani Realtors Inc <br /> Advanced GeoEnvironnientak Inc <br />