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t <br /> PG&E Stockton - Former MGP <br /> Limited Subsurface Investigation <br /> Grout Volume Calculations <br /> Grout <br /> Dated Auger PVC Approx thickness gal/ft Calculated <br /> g Actual <br /> Well Total (Above volume <br /> Grouted Diameter diameter Depth Bentonite to multiplier grout Grout - <br /> 1 ft bgs) \ - <br /> MW-28 8-Feb 8 2 35 15 2.55 38 45 3Z <br /> MW-29 1-Feb 10 4 35 15 3.46 52 92 J� <br /> MW-30 9-Feb 10 4 115 89 3.46 308 425 i 2 <br /> MW-31 16-Feb 8 2 100 74 2.55 189 330 9�I <br /> MW-32 15-Feb 8 2 130 109 2.55 278 450 Zq <br /> MW-33 17-Feb 8 2 35 15 2.55 38 50 3S <br /> Notes: wobble in augers created larger holes that auger diameter size. <br /> MW-30 and MW-31 have 20 feet of screen • <br /> Deeper wells have 3 ft of bentonite pellets. <br />