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Hieb Family 1990 Trust Pro�#y Page 5 of 11 <br /> Our Project Number: E0714-- Y. <br /> December 17, 7007 <br /> F1 <br /> 4.5 Well Water Sample Collection, Handling, and Transportation <br /> The sample for nitrate was collected in a sterile plastic container; the sample for DBCP was s <br /> collected in two sterile glass vials. The samples were then transported on ice and remanded J <br />' under chain of custody to FGL Environmental, Stockton. <br /> s <br /> 4.6 Chain of Custody <br /> The Chain of Custody document has been included in the appendix of this report. 6) <br /> 5.0 SOIL PROFILE AND GEOLOGIC INFORMATION <br /> The site is depicted on the USGS Preliminary Geologic Map Quaternary Modesto Formation <br /> (Qm). This unit consists of arkosic alluvium forming Mokelumne River terraces and alluvial <br /> fans. It is chiefly composed of sand with minor gravel, silt and is probably glacial outwash from <br /> the Sierra Nevada mountain range (Plate 5). <br /> The surface and near surface soils located at the site are reported by the San Joaquin County <br /> - Soil Survey to be composed of Archerdale very fine sandy loam, Acampo sandy loam, and San <br /> Joaquin loam (Plate 6) (USDA, 1992). Table 1 presents some selected properties of these soils: <br /> Table 1. <br /> San Joaquin County Soil Survey <br /> Selected Soil Pro ernes of On-Site Soils. <br /> Soil Name Depth Unified Soil Classification Salinity Soil Perme- Septic tank <br /> and Map (in) (mmhos/cm) Reaction ability absorption <br /> Symbol pH (in/hr) fields <br /> Acampo 0-19: Sandy loam; SM <2 6.1 - 7.8 2.0 -6.0 Moderate: <br /> sandy loam, 19-47: Sandy loam,fine sandy loam, <2 6.6 - 8.4 2.0 -6.0 cemented <br /> I <br /> 0-2% coarse sandy loam.; SM pan <br /> 1 slopes, 101. 47-49: Indurated; --- --- --- --- <br /> 49-60: Cemented; --- --- --- --- <br /> Archerdale 0-18: Very Fine sandy loam; ML <2 6.1 _7.3 0.6 - 2.0 Severe: peres <br /> very fine 18-38: Clay loam, silty, clay loam; CL <2 6.6-7.3 0.2 -0.6 slowly <br /> sandy loam, 38-60: Clay loam, clay, silty clay loam; <2 6.6-7.3 0.06 - <br /> 0-2/o CL, CH 0.2 <br /> slopes, 106. <br /> Devries 0-13 Sandy loam; SM <2 6.6-8.4 2.0-6.0 Severe: <br /> sandy loam, 13-28 Sandy loam, fine sandy loam; <2 6.6-8.4 2.0-6.0 Cemented <br /> drained, 0- SM Pan <br /> 2%slopes, 28-80 Indurated <br /> 149. <br /> F1Finrod clay 0-8 Clay ,loam• CL <2 6.6-7.8 0.2-0.6 Severe: peres <br /> loam, 0-2% 8-33 Clayloamclay; CL CH <2 6.6-7.8 0.06-0.2 slowly <br /> slopes, 1S8. y' ' <br /> 33-4$ Clay loam, silty, clay loam, <2 7.4-8.4 0.06-0.2 <br /> Fi clay; CL,CH <br /> F! <br /> Fj902 Industrial Way-Lodi,CA 95240■209.367.3701 ■Fax 209.369.4228 (02007 Neil 0 Anderson&Associates,Inc <br />