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Report-Pilot Remedial System Test Page 16 <br /> Former Manna Pro Site <br /> Project No 207 3 <br /> July 3l,2000 <br /> 5.4 SOIL & AIR SAMPLING & ANALYSIS <br />' 5.1 Soil Sample Collection <br /> While drilling the soil borings, soil samples were collected for geologic and possible <br />' analytical evaluation on five foot intervals in each boring unless otherwise noted The <br /> following is a description of the methods used in collecting soil samples <br /> Soil samples were collected for geological and analytical evaluation using a 2 0 inch <br /> diameter by 1 5 foot long (i d ) hammer driven California Split Spoon sampling device <br /> fitted with three 2 by 6 inch stainless steel liners The soil sample collection procedure <br /> was as follows The end of each sample tube removed from the split spoon was sealed <br /> with aluminum foil, capped with plastic end caps, secured with tape, labeled and placed <br /> in a cooler at 4° Celsius for transport to the laboratory using Chain of Custody protocol <br />' Chain of Custody (CofQ forms are documents used to track the handling of samples All <br /> dates, times, persons and companies handling the samples were listed from the time the <br /> sample was collected to its ultimate disposal All soil sampling equipment was <br /> decontaminated between uses by washing using a steam cleaner Nitrile gloves were <br /> worn during sample collection and changed between the collection of each sample <br /> A detailed log was made of each boring and are attached to this report as Appendix B <br /> The information noted included such data as sample depths, blow counts from hammer <br /> driven sampling devices, horizons of detectable contamination (detected by field <br /> methods), soil classification utilizing the Unified Soil Classification System and sediment <br /> description (color, texture, composition, hardness, moisture content, and post- <br /> depositional changes that have occurred in the sediments) <br /> In general, the geologic character of the soil observed during drilling may be summarized <br /> as follows <br /> 0 to I5+ feet <br /> Clay and Silt, reddish brown, semi-plastic to friable <br /> 15+ feet to 30+feet <br /> Sand, fine to very course grained Generally fair sorting Greenish gray to greenish <br /> brown Porous and permeable Generally contains few fines, but silty in some intervals <br /> 30+ eet to 40+ feet <br /> Silty clay, greenish gray to dark gray, plastic to semi-plastic deformation <br />' 2937 Veneman Ave , #B240 Geo-Phase Environmental Inc Phone(209)569-0293 <br /> Modesto,CA 95356 Fax(209)569-0295 <br /> 1 <br />