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i <br /> � <br /> ( . Sp FIELD SAMPLING PROCEDURFS <br /> S.1 1EST Pif EXCAVATION <br /> Excawdoe of ast pin�v�71 be accomplished�vith s backlae. 'ILe ast pits will be approximatdy four feet wide <br /> C (the widlh of the 6�ckhoe buctet)and tm [eet in lensth. Teat pib will be excavnted ro a depth of appacima�ly <br /> t�fat bgs. No aite pasoenei�rill be allowed ro mter the 1�t pit nor to sland w�'tliin five tat o[the eacavation. <br /> Samples will be oolbetad 6om the intaior d the backhoe M�cloet anploying the folbwin8 P��� <br /> CL Caefully�eove 1he 1op Irya d aoil in We bacichoe bucloet with a pxleaned ami�dess aoeel ipoon ar <br /> apade. Bquip�Knt murt be deoonpmimted n oudined in Sectioe 6.6 PWce the dp of ihe OVM probe 1" <br /> r fran 1he f�ahiy expaed ioil b 6e mnpled md nde the maximum and sust�'uKd rendings over a 30-sxond <br /> L inletval. <br /> L 2. 7Yansfa an adequme volume of sempk (ar the analytical oechniques into an nppropriate sample jar using <br /> .�����. <br /> � 3. Visually check lo a�au�e tl�t a Teflon Gner is piesent in the cap and secure the cap 6ghtly. <br /> 4. Immediatdy aita dk s�mPk ts co�xced. �abd dk samPk, enter it in �he fieid log book and filt out the <br /> t semple Chaimof-Custody fam. <br /> l <br /> � 3. Deconta�ninote equipment afler esch sempie as descn'bed in Section 6.6. <br /> 6. Ploce sample in cooler and prepa�e for paclring as specified in Sxtian 6.5.2. <br /> ( 5.2 SOQ.SAMPLE COLLECfION <br /> 1 This sectan describes sample collec6on mUhadologies for surfaa soil samples and subsurfxe soil samples <br /> collxted fmm hand•auga borings. <br /> 5.2.1 Sudace Soil Samole Colixtion <br /> I The surface soil sample will be coilected using a deconmminated sminkss steel spoon and dowel. Surfaa soil <br /> ( sampling(1 to 6 inches depth)will be pedamod in nccadance wilh MUhod II-I trom Characlerizotion of Hnrnrdous <br /> Waste Sites - A Methods Manuai: Volume 11,Available Sampiing Methads,2nd Edition (FYA-600)4-84-076). <br /> 1. C.vetully remove the top layer of soii to the desired sample depth with a precicaned trowel. Equipment <br /> lmust bc decontvninated as outiined in Section 6.6 Plxe the tip of the OVM probe 1" from the frcshly <br /> exposcd soil ro be sampled yid note the moximum and susGvned readings over a 30-second interv;J. <br /> i Remove an additional 1" of material and discn�d. <br /> � 2. Transfer an adcquatc volume of sampk fur the analytical txhniques into an approprime sample bottk using <br /> � a stainless stecl spoon. <br /> � 6 <br /> ' <br />