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t January 28,2003 <br /> Job Number: LG02=496 <br /> Page 6 <br /> hour. The dropand other information.was recorded on the field attached in the appendix of <br /> Pp <br /> this report. .The.percolation tests were observed by Mr. Ted Tasiopoulos,-Enviromiiental Health <br /> Specialist for EHD. The following table'presents a summary of the percolation.tests. <br /> Table 4. <br /> Summary of Percolation Tests. <br /> ' Percolation Test Test Length -Test Depth(ft) Percolation Rate(miNinch) Comment <br /> No. <br /> Parcel 1 ' 4 Jus. 3 14.7 Passed Test <br /> Remainder 4 his. 3 14.7 Passed rest <br /> A satisfactory percolation rate is less­than or equal to-60 minutes per,inch(drop).for a shallow <br /> test (3--ft depth). A satisfactory percolation test was achieved on each of the two (2)'parcel's in <br /> accordance with the percolation test procedure established by'EHD. . <br /> 6.0 CONCLUSIONS AND RECOMMENDATIONS <br /> As indicated, a satisfactory percolation rate was achieved on each parcel'. No ground water was <br /> encountered in any of the borings drilled to a maximum depth of 3 feet on the property. The , <br /> depth to ground water during Fall 1998 and Spring 1999 period was approximately less than 10 . <br /> feet. The ground-water flow direction is generally toward the west and northwest ranging <br /> between 3.2 to 8 feet per mile during the Fall 1998 and Spring 1999 period. I <br /> The test results indicated that DBCP was cion,detectable in the sample and nitrate was found at ; <br /> 107Q.14g/ The result of the nitrate test is bellow th-e maximum contaminate level set*the <br /> United States Environmental Protection Agency of 10,000 ug/L-N. <br />.� Based on'the results of this study; our office has found the soils to be suitable for use witha <br /> standard-septic system utilizing leach lines or filter bed. We recommend that the design and a <br /> installation of the septic system follow the requirements established by the EHD. <br /> d 4 <br /> r <br />