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and seal septum Onto the vial with lid, teflon side <br /> (shiny) toward the sample, shake sample enough to <br /> break it up so that whole sample is immersed in <br /> methanol. The rapid progression of steps indicated <br /> here is necessary to preventloss of volatiles from <br /> the soil. 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• sample <br /> required (see 5 below) . Take a duplicate <br /> I from the other half directly across from the <br /> first sample, or where ever_er un disturbed, yet <br /> jc-_ ccc_�. <br /> 1 € G. babel vi _. <br /> al with legible information as follows: <br /> Job name or number, <br /> �. <br /> 2. <br /> Date.- <br /> Date. <br /> t. <br /> { 3. Time. <br /> I_.# i <br /> 4. Depth and well number. <br /> c <br /> ,A, 5. Samplers initials. <br /> ` H• Tape vial across septum with scotch- tape and around r <br /> cap and sign on the tape with indelible ink to <br /> t <br /> prevent tampering. . <br /> : a <br /> Wra un <br /> a. <br /> p rep resentative section of the core equiva- <br /> lent in volume to cube "3 cm on a side in the aluminum- <br /> foil square, discarding. the rest a <br /> in saran wrap. This section is forpiatelYdry�weight• Seal <br /> {a, 1 <br /> determination. Clnse it in :plastic bag with a tag or 1 <br /> write on the bag with an indelible marker. These <br /> les <br /> sam <br /> F go .into a separate cooler or box and not with. <br /> the vials. The cooler for dry weight samples. need ? <br /> not be i <br /> but overnight ernght deliver <br /> � . y is requested. <br /> rJ. Discard plastic coring syringe, clean the s a ' <br /> r i <br /> p tula, i <br /> and get clean equipment ready for next sample, <br /> i { <br /> - -- <br /> K, Ice the sample_vials. immediately and. keep"them iced <br /> r through shipment. <br /> F <br /> #4 'i.1l out chain of custodyform. 50P 11 gives major. <br /> 4 details. Make sure sample requests is for <br /> Proper <br /> analysis type. <br /> s _ <br /> EEMGROUNDWATER <br /> TECHNOLOGY, <br /> CONSUL TING GROUNDWATEROEOLDQISTS a <br /> r ._t.'�. ; .h. "� r:i ,.,. •- ... tip' .: ,. - - <br />