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August 8, 2007 <br /> NOA Project Number:E07113A <br /> Page 2 <br /> During the percolation test, the fall of six inches of water was measured above the top of gravel <br /> during the 4-hour test period. Measurements were made every 30 minutes for a four (4) hour <br /> period. The pre-saturation of the test holes was performed approximately 24 hours prior to the <br /> day of percolation testing. The percolation tests for Parcel 1 and Parcel 2 were peformed on July <br /> 17, 2007 and the tests for Parcel 3 and Parcel 4 were performed on July 13, 2007rDue to an error <br /> in testi g on July 13, 2007 on Parcel 3 and Parcel 4, percolation tests were redone on July 23, <br /> 2007. <br /> Table 1. <br /> Summary of the Percolation Test <br /> _ Test Date Boring Depth(ft.) Duration * Result(min/in) <br /> Parcell125 <br /> Shallow 7-17-07 3.25 4 hrs. Failing pert rate d <br /> Parcel 17-17-07 <br /> / <br /> Deep 7-17-07 7.35 4 hrs. Satisfactory pert rate ✓ <br /> Parcel 250 / <br /> Shallow 7-17-07 3.15 4 hrs. Failing pert rate ✓ <br /> FParcel2 8.3ep 7-17-07 23.10 4 hrs• Satisfactory perc rate <br /> el 3 7-13-07 3.02 4 hrs. N/llowcel3 16.6 <br /> Shallow 7-23-07 3.11 4 hrs. Satisfactory perc rate <br /> P <br /> arcel 62.5 <br /> 7-23-07 6.01 4 hrs. Failing perc rate <br /> Parcel 22.72 <br /> 7-13-07 10.68 4 hrs. Satisfactory perc rate <br /> 7-13-07 3.31 4 hrs. N/ <br /> Deep <br /> Parcel 11.36 <br /> Shallow 7-23-07 3.15 4 hrs. Satisfactory perc rate / <br /> 250 <br /> Parcel 4 l� <br /> 7-23-07 6.91 4 hrs. Failing ere rate <br /> Dee <br /> -Acceptable percolation rate is less than or equal to 60 m/in during the last measurement for a shallow test between 3 and 3.5 feet.Acceptable <br /> m <br /> percolation rale is less than or equal to 30 min/in during the last measurement for a deep test between 3.5 and 25 feet. <br /> Percolation test procedure error,percolation test redone. <br /> r <br /> r <br />