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A summary of the recommended decontamination procedures by EPA is as follows: 1. Where applicable, physically remove the material from the sampling equipment by using a mechanical means such as a metal or nylon brushes, or high-pressure water. 2. Wash the equipment with a non-phosphorous detergent solution. 3. Rinse with tap water. 4. Rinse with distilled/deionized water. 5. Rinse with 10% nitric acid if the hazardous constituents to be analyzed include trace metals. 6. Rinse with distilled/deionized water. 7. Rinse with pesticide grade solvent (acetone or hexane) if the sample will be analyzed for trace organics. 8. Rinse with distilled/deionized water. 9. Air-dry the equipment completely. |
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°®ÓëÓêÏÂ(½ð±Ò+1): 2011-11-19 18:31:47
gx7568573(½ð±Ò+10, ·ÒëEPI+1): 2011-11-20 14:09:25
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