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9 <br />F10 <br />F <br />WELL CONSTRUCTION DETAIL <br />r <br />A Total Depth of Boring — 55 ft. <br />B Diameter of Boring — 10 in. <br />Drilling Method — Hollow -Stem Auger <br />C Top of Box Elevation — ft. <br />D Casing Length — 55 ft. <br />Material — Schedule 40 PVC <br />E Casing Diameter — 4 in. <br />F Depth to Top Perforations — 40 ft. <br />G Perforated Length — 15 ft. <br />Perforated Interval from 40 to 55 ft. <br />Perforation Type — Machine Slotted <br />Perforation Size — 0.02 in. <br />H Surface Seal From 0 to 1.5 ft. <br />Seal Material — Concrete <br />Backfill From 1.5 to 36 ft. <br />Backfill Material — Neat Cement <br />J Seal From 36 to 38 ft. <br />Seal Material — Bentonite <br />K Gravel Pack From 38 to 55 ft. <br />Pack Material — Lonestar #3 <br />L Bottom Seal — None <br />Note: Depths Measured From Initial Ground Surface. <br />Getter - Ryan Inc. Proposed Vapor Extraction Well Detail FIGURE <br />Former Chevron Service Station #9-5775 <br />3164 Gold Camp Drive, Suite 240 301 West Kettleman Lane 7 <br />Rancho Cordova, CA 95670 Lodi, California <br />JOB NUMBER REVIEWED BY DATE REVISION DATE <br />346408 11/99 <br />