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f. 7, <br /> N. <br /> ,.� s. I.;re.ervativess are required for some types of samples. Use <br /> specially prepared vials from GTEL, marked as indicated <br /> below, or use the appropriate field procedure (SOP 12 for i <br /> ¢ acidification) . Make note on forms tT:at sampler were <br /> preserved. Always have extra vials in case of .�#�le►ms. <br /> Samples for volatile analysis should be acidified below pH 2 <br /> with hydocloric acid. Use vials with cares and keep them <br /> upright. Eye protection, foot protection, and <br /> disposable vinyl gloves are required for-handling. <br /> Samples designated for expedited service and analyzed within ' <br /> eleven (7) days of sampling will be acceptable without <br /> iE <br /> E : preservation. <br /> Acid causes burns. Glasses or goggles (not contact lenses) }' <br /> ' are necessary for protection of the eyes. Flush eyes with <br /> water for is minutes if contact occurs and seek medical <br /> attention. Rinse off hands frequently with water during l <br /> handling. <br /> A. r <br /> For sampling chlorinated drinking water supplies for <br /> F� chlorinated volatiles, samples shall be preserved with <br /> i sodium thiosulfate. Use vials labeled "CONTAINS THIOSULFATE". <br /> No particular cautions are necessary. <br /> k� <br /> 7. Fill vial to overflowing with water, avoiding turbulencQ tsrid <br /> bubbling as much as possible. dater should stand above lip <br /> of vial. <br /> S. Carefully but quickly slip cap onto vial. Avoid dropping <br /> the teflon septum from cap by not inverting cap until in <br /> contact with vial. Disc should have teflon face toward the <br /> water. Also avoid touching white teflon face with dirty <br /> fingers. <br /> nvert vial and tap <br /> �, Tighten cap securely, iagainst hand to s <br /> see that there are no bubbles inside. E„ <br /> s 10, babel vial using indelible ink as follows: <br /> j <br /> a) Sample T.D. No. <br /> !a b) Job I.D. No. <br /> c) Date and Time. <br /> d; Type of analysis requested. <br /> e) Your name. <br /> � GHIrt'\I H4�TF:H i <br /> VW <br /> TF.IH>a�I IGti. <br /> f <br /> r� <br />