Laserfiche WebLink
y <br /> f <br /> 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 immersed <br /> of steps indicated <br /> here is necessary to prevent loss of volatiles from <br /> the soil. Do not leave vials unopened for any <br /> extended period <br /> i p - 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 /> t sample from the other half directly across from the <br /> first sample, or where ever undisturbed, yet <br /> representative soil occurs. <br /> f <br /> G. Label vial with legible informatior: as follows: <br /> 1. Fob. name or number. <br /> f <br /> 2 trate.. <br /> 3. Time. <br /> 4. Depth and well number. <br /> - _ <br /> �1 1 <br /> Samplers- initials. <br /> Tape vial across septum with scotch tape and around <br /> cap and sign on thetape with indelible ink to <br /> _ . : . <br /> prevent tampering <br /> I Wrap up a representative section of the core equiva- <br /> lent in volume to cube 3 cm on a side in the .aluminum <br /> foil square, discarding the restappropriately. seal <br /> in saran wrap. This section is .for dry weight <br /> determination. Close it in plastic. bag with a tag or <br /> f ;.write on the ba <br /> � g .with .an indelible marker. These'. ; - <br /> samples go into a separate cooler or box and not with <br /> the vials. The cooler for dry weight samples need <br /> not.-.be iced,_ but...overnight- delivery- i.s- requestedJ. . <br /> Discard plastic coring .syringe, clean the. spatula, <br /> and get. clean equipment ready for newt sample. <br /> FC. Ice the sample. vials immediately and keep them iced <br /> F, .'through .shipment. <br /> L. Fill cat chain of custody form. sop 11 gives ma or <br /> -- details. Make sure sample requests is for proper <br />�s <br /> analysis type. <br /> x <br />