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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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