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Sail Suitability I Nitrate Loading Study 1rerracon <br /> Whitlow Property ■ Stockton, CA <br /> November 20, 2019 ■ Terracon Project No. NA197078 <br /> overcome by increasing the size of the ieachfield, backfilling the trench with sandy material, and <br /> installing long absorption lines. Refer to Section 2.1 for further discussion of the soil information. <br /> 1.5.1 Soil Boring Locations <br /> Based on a review of the site plan, the proposed primary and reserve leachfields will be located <br /> at the northwestern corner of the site. All borings were placed within the vicinity of the proposed <br /> primary and reserve leachfields. <br /> Table 4. <br /> Soil Boring Locations. <br /> Boring No. Latitude Longitude <br /> 131 38.067988 -121.211722 <br /> 132 38,068060 -121.211750 <br /> 133 39,068113 -121.211732 <br /> 94 38.068101 -121211650 <br /> B5 38.068110 -121.211598 <br /> B6 38,068112 -121,211542 <br /> Refer to Appendix A, Exhibit 2 fiar the boring locations. <br /> 1.5.2 Soil Boring Dimensions <br /> Soil borings B1 and B2 were advanced with a 4 inch diameter handauger. Borings B3 through <br /> B6 were advanced with a track mounted drill rig utilizing an S inch diameter hallow stem auger. <br /> Refer to Table 5 for baring depths. <br /> 1.5.3 Soil Lithoiagy Observed <br /> The following table presents a lag of the soil boring(s)- <br /> Table 5. <br /> Summary of Soil Lithology. <br /> Boris Total Depth Depth Interval Soil T Unified Soil <br /> S Type(feet) (feet} classification <br /> 0 to 1.5 Sill with sand, brown ML <br /> t31 3.5 <br /> 1,510 3.5 Clay, dark brown CL <br /> 0 to 2.5 Clay, dark brawn CL <br /> B2 50 2.5 to 4.O Clay.reddish brown CL <br /> 4.0 to 5.0 Silt with day.refusal at 5.0 MUCL <br /> feet bgs <br /> Responsive ■ Resourceful a Reliable 9 <br />