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5n Y � � mel.•• V 1lY- S a�• "f :'.�?k <br /> k's <br /> c' <br /> 6. Preservatives are required for some types of samples. Use <br /> srlcially prepared vials from GTEL, marked as indicated <br /> below, or use the appropriate field procedure (SGP 12 for <br /> acidification) . Hake note on forms that samples were <br /> preserved. Always have extra vials in case of problems. <br /> i Samples for volatile analysis should be acidified below pH Z <br /> with hydocloric acid. Use vials wit3. carp 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 /> seven (7) days of sampling will be acceptable without <br /> preservation. <br /> Acid causer burns. classes or goggles (not contact lenseu) <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 ;rials labeled "CONTAINS THIOSULFATE". <br /> No 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 /> of vial. <br /> t <br /> �. 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 /> w4ter. Also avoid touching white teflon face with dirty <br /> E 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 /> b) Job Z.D. No. <br /> C) Date and Time. <br /> d) Type of analysis requested. <br /> e) Your name. <br /> r1 . <br /> Gki It.MIII ITEM <br /> • TF.iH�IH.uCI'.1\i. <br />