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1 <br /> ' hydrochloric acid Use vials with care and keep them upright Eye protection, foot protection, <br /> and disposable vinyl gloves are required for handling Samples designated for expedited <br /> service and analyzed within seven (7) days of sampling will be acceptable without <br /> preservation <br /> Acid causes bums Glasses or goggles (not contact lenses) are necessary for protection of <br /> the eyes Flush eyes with water for 15 minutes If contact occurs and seek medical attention <br />' Rinse off hands frequently with water during handling <br />' For sampling chlorinated drinking water supplies for chlorinated volatiles, samples shall be <br /> preserved with sodium thiosulfate use vials labeled "CONTAINS THIOSULFATE" No <br />' particular cautions are necessary <br /> 7 Fill vial to overflowing with water, avoiding turbulence and bubbling as much as possible <br /> Water should stand above lip of vial <br />' 8 Carefully but quickly slip cap onto vial Avoid dropping the teflon septum from cap by not <br /> inverting cap until In contact with vial Disc should have teflon face toward the water Also <br /> avoid touching white teflon face with dirty fingers <br />' 9 Tighten cap securely, invert vial and tap against hand to 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 I D No <br />' c) Date and Time <br /> d) Type of analysis requested <br /> e) Your name <br />' 11 Unless the fabric type label Is used, place scotch tape over the label to preserve its Integrity <br />' 12 For Chain of Custody reasons, samples vial should be wrapped end-for-end with scotch tape <br /> or evidence tape and signed with indelible ink where the end of the tape seals on itself The <br />' septum needs to be covered <br /> SOP 10 Page 2 of 3 <br /> C GROUNDWATER <br /> TECHNOLOGY, INC <br />