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Advanced � .. <br /> GeoEnvironmental, Inc. <br /> L• <br /> 07 September 1999 <br /> AGE-NC Project No. 96-0235 <br /> Mr. Jeff Wong <br /> San Joaquin County Public Health Services - Environmental Health Division <br /> 304 East Weber Avenue, 1 <br /> Stockton, CA 95202 ENVIRONMENTAL HEALTH DIVISION <br /> 304 E. Weber Ave. Third Floor <br /> P. O. Box 388, Stoc on CA 95201-0388 <br /> Subject: Work Plan Addendum - September 1999 Approved- <br /> WEST CLAY PROPERTIES Denied <br /> 639 West Clay Street, Stockton, California Conditions <br /> Date <br /> Dear Mr. Wong: by <br /> �o �C.��nlZ ✓�r��<aX` C 1C{ a r .<c� o <br /> At the request of Mr. Dan Silva of West Clay Properties,Adv anted GeoEnvironmenta Inc. 6E) <br /> has prepared this addendum to ff ork Plan Addendum -Maj, 1999 for the subject property. The San <br /> Joaquin County Public Health Services - Environmental Health Division (PHS-EHD) has requested 1771 <br /> the installation of tv,'o additional borings at the site. One additional boring will be advanced near <br /> MW-2 with samples collected from 35 to 60 feet below surface grade (bsg); one boring will be 6 S�rdGT�dtn <br /> advanced near MW-1 with samples collected between 20 and 60 feet bsg. Soil samples %611 be Ol/� <br /> collected from each boring at five-foot intervals. read f <br /> Total depths of the borings will be based on field observations and field screening. Borings may be <br /> extended to greater depths or additional borins advanced. based upon field data. Field procedures <br /> for advancement of borings and collection of soil samples were presented in the Monitoring Well <br /> Installation If ork Plan - March 1998, prepared by AGE. Proposed boring locations are illustrated <br /> in Figure 1. <br /> If you have any questions or require further information, please contact our office at (209) 467-1006. <br /> Sincerely, <br /> Advanced GeoEnviron mental, Inc. <br /> Kevin McKibben <br /> Project Geologist <br /> cc: Ms. Tina Mavhew - West Clay Properties <br /> 4005 North Wilson Way, Stockton,California 95205 <br /> Telephone(209)467-1006 FAX(209)467-1118 <br />