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7 <br /> �ViCk AND 7MMr1L09Y CORP. <br /> No. Mei--9 <br /> PIEZOMETER / WELL INSTALLATION LOG <br />' CLIENT PROJECT PROJECT NO <br /> EHMU13 Stockton Servfce Center 40429,300 <br /> PROJECT LOCATION COORDINATES TOP OF RISER ELEVATION(DATUM) DATE <br />' Stockton.CA N 4988.4488 E 4895 3156 3 32 NO 9/09/02 <br /> STRATUM MONITORED LOGGED BY <br /> Silty SAND&Sandy SILT S.Martin <br /> CHECKED BY APPROVED BY <br />' M McClain E.Meyer <br /> PROTECTIVE CASIi`lC� <br /> Flush Mounted <br /> GROUND ELEVATIDN <br />' lost} <br /> 1—I ' <br />' TYPE OF SEAL <br /> Concrete <br /> 3.0' <br /> A" NSF Certified 5ch 40 PVC <br /> i <br />' 2 p' TYPE OF SEAL: <br /> 25.0' 1110Bentonite Pellets <br /> 26 5' <br /> — �• <br /> T .' <br /> 4" NSF Certified Sch 40 PVC with 0 02" slots <br /> 20.0' <br /> TYPE OF FILIER <br /> #3 Lapis Lustre Sand <br /> 1 <br /> 0' TYPE OE SEAL.: <br />' NIA + <br /> QIAMETEE3_ <br />' METHOD OF INSTALLATION' <br /> Boring drilled to completion,set riser pipe and screen,placed filter and seal;fistalWd cover;added concrete 0.5'—til';cement Placed <br /> around cover and brought to surface <br /> REMARKS: <br /> liell developed by surging and pumping 5 wee volumes of water <br />