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TABLE 1 <br /> WELL CONSTRUCTION DETAILS <br /> Ernie's General Store <br /> 4407 East Waterloo Road, Stockton, California <br /> Borehole Total Casing Screen Filter Pack Bentonite Grout <br /> Well ID Installation Diameter Depth Diameter Casing Ston Size Filter Casing Elevation Interval(feet Interval(feet Interval(feet Interval <br /> Date inch feet inch Material (inch) Pack (feet NAVD88) bs bs bs feetbs <br /> (inch) (feet) (inch) g) g) g) ( S) <br /> Ground Water Monitoring Wells • <br /> MW-1 07-28-2003 8 85 2 PVC 0.020 #3 33.25 65 to 85 63 to 85 60 to 63 0 to 60 <br /> MW-2 07-29-2003 8 85 2 PVC 0.020 #3 33.08 65 to 85 63 to 85 60 to 63 0 to 60 <br /> MW-3 07-30-2003 8 85 2 PVC 0.020 #3 33.06 65 to 85 63 to 85 60 to 63 0 to 60 <br /> MW-4 07-28-2003 8 85 2 PVC 0.020 #3 33.32 65 to 85 63 to 85 60 to 63 0 to 60 <br /> MW-5 12-14-2006 8 80 2 PVC 0.020 #3 32.84 60 to 80 58 to 80 56 to 58 1 to 56 <br /> Remediation Wells <br /> VW-1 12-12-2006 8 60 2 PVC 0.020 #3 - 45 to 60 43 to 60 41 to 43 1 to 41 <br /> VW-2 12-12-2006 8 30 2 PVC 0.020 #3 - 15 to 30 13 to 30 11 to 13 1 to 11 <br /> VW-3 12-13-2006 8 60 2 PVC 0.020 #3 - 45 to 60 43 to 60 41 to 43 1 to 41 <br /> VW-4 12-13-2006 8 30 2 PVC 0.020 #3 - 15 to 30 13 to 30 11 to 13 1 to 11 <br /> VW-5 12-13-2006 8 30 2 PVC 0.020 #3 - 15 to 30 13 to 30 11 to 13 1 to 11 <br /> VW-6 12-15-2006 8 60 2 PVC 0.020 #3 45 to 60 43 to 60 41 to 43 1 to 41 <br /> Notes. <br /> NAVD88:North American Vertical Datum 88 • <br /> bsg: below surface grade <br /> 1:Survey completed by Morrow Surveying of West Sacramento on 01-26-2007 via coordinate datum NAD83(1986)and vertical datum NAVD88 from GPS observations. All calculations 08-18-2005 to 05- <br /> 042006 utilize 09-07-2005 survey. <br /> MW:monitoring well <br /> VW:vapor extraction well <br /> Advanced GeoEnvironmental,Inc. <br />