Laserfiche WebLink
Y47Y4g1 wA <br /> organic compounds. To prevent cross-contamination of the ground-water samples, the <br /> Teflon bailer is washed with tri-sodium phosphate solution, rinsed with tap water, then <br /> distilled water, and allowed to air dry before sampling the next well. The samples are then <br /> labeled and placed immediately in a cooler for delivery to a state certified analytical <br /> laboratory. A chain of custody shall accompany the samples and contain the information <br /> ' 4 <br /> concerning the source of the samples. Field identification of the samples, date and time of <br /> sample collection,analyses required, and signatures of the sampler and other handlers, For <br /> the purpose of quality assurance, one or more duplicate ground-water samples are taken <br /> for each five wells sampled. A sample is taken of distilled water from the final bailer <br /> rinse. Trip blanks furnished by the laboratory are also utilized. <br /> F:1»;2fi3a'151sawicpi <br /> Fa, <br /> i <br /> I <br /> I <br /> 1 <br />