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h4 KL EI N F E L D ER <br /> As we stated, during the first quarter of the following year (2003) the groundwater samples <br /> collected from the newly installed monitoring well will be analyzed for trihalomethanes as stated <br /> in the Monitoring and Reporting Program. <br /> Item No. 5 <br /> If a slip cap is used on the bottom of the well casing, it must be secured with stainless steel <br /> screws. <br /> As detailed in the monitoring well construction diagram included in the Kleinfelder workplan <br /> (Plate 3), the bottom cap is threaded onto the bottom of the screened section of the monitoring <br /> well. During the construction of the monitoring wells a slip cap is not included within the <br /> construction parameters, but if a slip cap is ever used it will be secured by stainless steel screws. <br /> This addendum should be forwarded to RWQCB for approval. It is due to the RWQCB by no <br /> later than September 21, 2002. <br /> Please contact me if you have any questions. <br /> Respectfully submitted, <br /> KLEINFELDER,INC. <br /> Jo D. Zil s �aED C'EO <br /> NT <br /> enior Staff eologist HON Z�5 P Y O <br /> / cc No.6768 z <br /> a Exp. 10-31-02 • <br /> Robert "Tony"Martin, R.G., REA-I cP>1 <br /> Senior Geologist/Regional Manager qTF OF CA��F�� <br /> r. <br /> JDZ:ss - <br /> Attachments: Proposed Upgradient Monitoring Well Location Map <br /> Groundwater Contour Maps for the 3`d and 4th Quarters 2001 <br /> Groundwater Contour Maps for the 1st and 2"d Quarters 2002 <br /> C20-4587-01.MNI /ST021,200 Page 4 of 4 <br /> Copyright 2002,Kleinfelder,Inc. September 20,2002 <br />