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• - _. 3 <br /> NT <br /> i <br /> and seal septum onto the vial with aid <br /> teflon <br /> (shiny) toward the sample. <br /> break it shake sample enough Lode <br /> up so that whole sample is immersed in <br /> methanol. The rapid progression of steps. indicated <br /> here is necessary to prevent <br /> the sail. loss of volatiles from <br /> Do not leave vials unopened for any <br /> extended period - the methanol evaporates quickly. <br /> Grit left on threads of vial can cause vial to break. <br /> F- If required (see 5 below). Take a duplicate <br /> sample from the other half directly across from the <br /> first sample, or where ever undisturbed, yet <br /> representative soil occurs. <br /> G. Label vial with legible information as follow <br /> s: <br /> 1• Job name or number. <br /> n . i <br /> z-. Date. <br /> 3. Time. <br /> s`f 4. Depth and well number. <br /> Y � <br /> 5. Samplers initials. <br /> ri H• Tape. vial across septt+m with tape and around <br /> Scotch cap and sign on the tape with scocoindeliblech <br /> prevent tampering. ink to <br /> I. Wrap uP a representative section of the Cor <br /> A e equiva- i <br /> lent. in volume to cube 3 cm on a side in the aluminum <br /> , t <br /> toil 'square, discarding the rest', aPproPriatel <br /> f in .saran wrap.. Y. Seal <br /> This section is foir dry weight <br /> determination. Close it in plastic bag with .a tag or <br /> write on the bag with an indelible marker. These. __ <br /> samples_go_ into a-_separate ,cooLer or bvx and not with <br /> : - - <br /> the vial. The choler £or drl- weight samples need: <br /> not be iced, but overnight delivery is requested.- :: <br /> V . J. Discard plastic Corin <br /> and get. clean* equipment <br /> sready efor 1nexttsampletttla, <br /> Ice the sample. vials immediately: and keep them iced <br /> through shipment. <br /> L• deal out chain of custody form. SOP 11 gives <br /> ails.: Make sure. sample requests is for proper�r <br /> - _ _ ana.lysis type, <br />