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.V ryj�?' ♦3' <br /> �A <br /> J. I-11. KLEINFELDER & ASSOCIATES pa <br /> to <br /> O A three-foot bentonite plug will be placed above the s;�i:d p• <br /> provide a seal against surface water infiltration. <br /> be filled with cement/bentonite <br /> p The remainir,d annular spoce will <br /> grout to the surface. <br /> o Each well will be secured inside a cement utility box'set flush <br /> to the ground surface. <br /> 3.5 MONITORING WF-,L DEVELOPMENT LLD SAMPLING PR'GEDURES <br /> All three monitoring wells will be developed after installation. Each <br /> well will t! first sampled with a clear acrylic bailer to visually inspect <br /> layer or sheen. if no product layer or sheen is <br /> the sample for a product <br /> ' ells will be developed with a surge <br /> observed on the water samples, the w <br /> he <br /> ol <br /> ned <br /> block/air li.ft development tool- Sng lttotdrawothnaiedgiment fromthe <br /> interifal of the well will be performed and to set the sand pack. The <br /> formation into and out of the well, <br /> sediment laden water will be air lifted from <br /> the well at a rate Of <br /> approximately 0.75 gallons per minute (gpm). Each well will, be developed <br /> until the discharge water runs relatively clear ofne . Approximately <br /> pproximatel 5 <br /> ll. After the <br /> to lU well. volumes will be removed from each monitoring Water generated by <br /> walls have been developed, the wells will be sampled. <br /> well development will be containerized and stored on s e pending results <br /> on of development water is the sole <br /> of water analysis. Final dispositi <br /> responsibilit.r of the client. <br /> of the wells, field parameters (ph, <br /> During the development and purging <br /> conductivity, temperature) will be monitored. Samples will be collected <br /> after the field paramet• "3 have stabilized. The sample bottles will be <br /> immediately sealed after collecting a sample and placed in an iced <br /> be <br /> cooler. At the end of the field day, the water samples der <br /> chain-of-custody. <br /> to <br /> _ to a state/EPA certified analytical laboratory unde <br /> and sampling equipment will <br /> - - - <br /> 1 T„ prevent-cross_contamination,. all developing _ _...... .-_-._-- - - _------ ------------- <br /> x use in each <br /> be steam cleaned prior to monitoring well- <br /> use <br /> - 6 <br /> 36-87-1037 <br />� �� - 0l7NRdRAI�lOI <br />