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:F <br /> LF <br /> 4� <br /> v <br /> /fJ <br /> SOIL sA1��'� ING PROTOCOL <br /> I, SOIL SAMPLING BY DRILLYNG RIG sal instructions. Confirm <br /> �) Rey�iew site proP�-mal for baring locations and spec <br /> berm locations in field with client. Have Underground Service Alen(USA} <br /> w tnari4 utilities:n area P'-tar to drilling. <br /> drilling <br /> an exploratory boring,all equipment to be used during g <br /> Prior to initiating P equipment includesp but is not <br /> and sampling operation is steam cleaned. Sucand `oras sampler liners. <br /> limited to, at;gars, bits, drilling rod, samplers,ler is+S�oroughly cleaned with <br /> Additionally,between sampling intervals,the same } water or distilled <br /> a dilute trisodium phosphate solution and rinsed with c.can tap <br /> water. either. <br /> 3) Each exploratory boring.�,,drilled with a Twck'mhe boring ou iseaddy 1 cengd rig using to the desired <br /> t solid flight or hollow stem augers. the hole. The <br /> e th and the sampler is lowered to the bottom of ils ahead of the <br /> sampling d p the undisturbed <br /> sampler is driven a maximum er to inches intoalli g 30 inches. The number of <br /> a 140-pound,rig-operated h==er g <br /> auger by ler the final 12 inches is recorded on the boring <br /> ' blows required to drive the satrtp pushed by the drill rig hydraulics. Inh <br /> log. When necessary,the sampler maybe a square inch}is recorded. After the <br /> this case,the Pressure exerted(in pounds per sq <br /> k sari► ler has the full depth,it is retrieved to the surface• <br /> t} ler 3 inch or <br /> used are either a California modified sampler <br /> 4) The samplers carnmonly The standard <br /> or a standard penetrometer (2 inc o a•De�me soil sttengtz" <br /> 2.5 inch O.D.} le liners and is used are <br /> nor does not contain same <br /> c mastics and visually ch the subsurface materials,musamples�with <br /> an sis the California modified�P r or zinc. In this <br /> collWA for laboratory Y Ian in <br /> base liners,is used except when the an will inclpenetrometer <br /> enetrom ter and p <br /> ` le should be taken with the standard pe <br /> is�stana,the same <br /> a labeled plastic bag. <br /> nen;per. One or <br /> Upon retrieval, ttte <br /> sampler is disassembled into s s cOM ends of the selected <br /> F ' more of the finers is selected for chemical anxly with plastic caps, <br /> liner(s) are sealed with aluminum foil or teflon tape,capped <br /> EXCELTECH,INC. <br /> Soil Sampling Protocol <br /> y I.,atcst Revision: March 28,1990 <br />