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1 <br /> Work Plan Page 16 <br /> Former Manna Pro Site <br /> Project No 207 3 <br /> August 16, 1999 <br /> 1 <br /> 6 0 SOIL & GROUNDWATER SAMPLING & ANALYSIS <br />' 61 Soil Sample Collection <br />' Soil samples will be collected for geologic and possible analytical evaluation on five foot <br /> intervals in each boring unless otherwise noted The following is a description of the <br /> methods used in collecting soil samples <br />' 6.1.1 California Split Spoon <br />' In hollow stem auger borings, soil samples will be collected for geological and analytical <br /> evaluation at five foot intervals using a 2 0 inch diameter by 1 5 foot long (i d ) hammer <br /> driven California Split Spoon sampling device fitted with three 2 by 6 inch stainless steel <br />' liners The soil sample collection procedure will be as follows The end of each sample <br /> tube removed from the split spoon will be sealed with aluminum foil, capped with plastic <br /> end caps, secured with tape, labeled and placed in a cooler at 4° Celsius for transport to <br /> the laboratory using Chain of Custody protocol Chain of Custody (CofC) forms are <br /> documents used to track the handling of samples All dates, times, persons and companies <br /> handling the samples will be listed from the time the sample is collected to its ultimate <br /> disposal All soil sampling equipment will be decontaminated between uses by washing <br /> using a steam cleaner Nitrile gloves will be worn during sample collection and changed <br /> between the collection of each sample <br /> A detailed log will be made of each boring The information to be noted include such <br /> data as sample depths, blow counts from hammer driven sampling devices, horizons of <br /> detectable contamination (detected by field methods), soil classification utilizing the <br /> Unified Soil Classification System and sediment description (color, texture, composition, <br /> I hardness, moisture content, and post-depositional changes that have occurred in the <br /> sediments) <br /> 6.1.2 SimulProbe <br /> In the mud-rotary portion of the deep monitoring well, MWD-11, boring, soil and <br /> groundwater samples will be collected at intervals not less that 20 feet using a <br /> SimulProbe sample collection device The SimulProbe is a direct push sampling device <br /> I that can be used to collect soil and/or groundwater samples from 1 5 feet beneath the <br /> bottom of a soil boring A probe is attached to rods, pushed or hammered into the <br /> working face and driven into the undisturbed soil several feet A retractable sheath is <br /> withdrawn at the beginning of the sampling interval and a soil sample may be collected in <br /> 2937 Veneman Ave, #B240 Geo-Phase Environmental Inc Phone(209)569-0293 <br /> Modesto, CA 95356 Fax(209)569-0295 <br />