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�, ,fa -"�' as � •, :�#_ ter. `�,. .�' � ` � ee.,;siF , - 'G' r�^c_—k:-`• .x��'±4y,�;:-..r;,• n q.�ti' sw "`a ^'"f '"'�"'..,'�•3.. '" � <br /> hmS .. :,�,, -. .H�` �n �: � � ' f^ {'?" _ YA:4Y.0. •1 .�'°".,y .;i �9:�+ S ' "fi`Ya'• �y <br /> F.► <br /> MIN <br /> i <br /> �. s• Preservatives 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 <br /> acidification) . Make note an forms that samples were <br /> preserved. Always hav;t extra vials in case of problems. <br /> Samples for volatile aialysis should be acidified below pH 7 <br /> -- with hydocloric acid. Use vials with care and keep theca <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 /> seven (7) days of sampling will be acceptable without <br /> 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 15 minutes if contact occurs and seek medical <br /> attention. Rinse off hands frequently with water during <br /> handling. <br /> For sampling chlorinated drinking water supplies for <br /> chlorinated volatiles, samples shall be preserved with <br /> sodium thiosulfate. Use vials labeled "CONTAINS THIOSULFATE". <br /> No particular cautions are necessary. <br /> 7. Fill vial to overflowing with water, avoiding turbulence and <br /> bubbling as much as possible. Water should stand above lip <br /> of vial, <br /> 8. 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 /> 9. Tighten cap securely, invert vial and tap against viand to <br /> see that there are no bubbles inside. <br /> 10. Label vial using indelible ink as follows: <br /> a) Sample I.A. No. <br /> b) Job I.D. No. <br /> C) Date and Time. <br /> d) Type of analysis requested. <br /> . e) Your name. <br /> Ckiil%IIII M.,k <br /> Ti,,-H\IlI a 1%L <br />