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_ - ° +' T. � 1 �,� , •,_ �"3s�t �.wr� � .<s�. �, � Nn..ac+T!"n;r a �,� f`^u:"'' "5; <br /> fi <br /> f y��'`i,• �r�,',.x . he,. "�"� -wciw �� 4 3w-k.. a'a"�o� '� b' �5 � , e, ,r.,,� r G?.. "4ee� <br /> B.�.'.. .^. F - "Ss�! ,.. Fes. x ., .r _ ,�,,r;mi,u=�_g ,� t ..�. � �� 'Y3!•°iv=dl <br /> s- <br /> 6. 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 (SOF 12 for <br /> acidification) . Make note on forms that samples were <br /> preserved. Always have extra vials in case of. problems. <br /> Samples for volatile analysis should be acidified below pH 2 <br /> with hydocloric arid. Use vials with care and keep them ' <br /> upright. Eye protection, foot protection, and <br /> disposaf,le vinyl gloves are required for handling. <br /> 74' -Samples designated for expedited service and analyzed within <br /> seven (7) days of sampling will be acceptable without <br /> preservation. <br /> 71 <br /> Acid canses 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 /> { <br /> too particular cautions are necessary. <br /> s <br /> 7. Fill vial to overflowing with water, avoiding turbulence and <br /> bubbling as much as possible. Water should stand above lip <br /> _i 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 /> F water. Also avoid touching white teflon face with dirty <br /> fingers. <br /> 9. Tighten cap securely, invert vial and tap against hand to <br /> see that there are no bubbles inside. <br /> 10. Label vial using indelible ink as follows: <br /> a) Sample I,D. No. <br /> h) Job I.D. No. <br /> c) Date and Time. <br /> d) Type of analysis requested. <br /> e) Your name. <br /> Gk �:�I115 3rr:H <br /> ?.4H\I11 Ill 1.INC <br />