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1 <br /> 3TiraY1 Chavez Land Surveying 1 <br /> 312 Gemgza Street, Suite 200 <br /> Valley, California 94590 March 26 1999 <br /> (707)553-2476 o Far (707)553-8698 <br /> Project No. 1703-05 �{ <br /> Owen Ratchye ' <br />' Cambria Environmental ' <br /> 1144 65th Street, Suite C <br /> Oakland, Ca. 94608 <br /> Subject: Monitoring Well Survey <br /> Shell Service Station <br />' 341 East Main Street <br /> Ripon, Ca. <br /> Dear Owen: <br /> This is to confirm that we have proceeded at your request to <br /> survey the monitoring wells located at the above referenced <br />' location. The survey was performed on March 251 1999 . Our <br /> findings are shown in the table below. The elevations for the <br /> survey are assumed, at estimated mean sea level . <br />' Monitoring Well No. Rim Elevation TOC Elevation <br /> MW - 1 64 . 38 ' 63 . 94 ' <br /> MW - 2 64. 44 , 64. 23 ' <br /> MW - 3 66 . 66 , 66 . 32 ' <br /> EW - 1 64 . 48 ' 64. 24 ' <br /> IEW - 2 64. 48 , 64. 10 , <br /> Offsite Wells <br /> MW - 1 (Chevron) 64 . 75 ' 64. 24 • <br /> MW - 4 (Chevron) 63 . 99 , 63 . 68 , <br /> Production Well 64 . 59 '-top of plate <br /> IMeasurements taken at approximate north side of top of box, <br /> top of casings were marked at location of measurements. <br /> �ANU <br /> Sincerely, <br /> 43 Cr y <br /> No 6323 � ► � � , <br /> Virgil D Chavez, PLS 632 <br /> �� orCAl%4 <br />