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KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

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APPENDIX B<br />

SOP B2.5<br />

Sample Homogenization<br />

The following guidelines and procedures shall be used for sample homogenization:<br />

Remove sample from sampling device and place in sample tray or pan. Use of disposable<br />

sample equipment is preferred. If disposable sample equipment is unavailable, use of<br />

decontaminated sample equipment is allowed. Decontaminate sample equipment according<br />

to the procedures specified in SOP B1.10.<br />

Scrape the soil from the sides, corners, and bottom of the tray or pan.<br />

Roll the soil to the middle of the tray or pan, and initially mix.<br />

Quarter the sample and move the quarters to the four corners of the tray or pan. Each quarter<br />

of the sample should then be mixed individually.<br />

Roll the quarters to the center of the tray or pan and mix the quarters together.<br />

Dispose of sample equipment in accordance with the project-specific addenda to the WMP<br />

(Appendix E of the BWP) or decontaminate sample equipment as necessary.<br />

Kirtland AFB<br />

SOPs for Field Investigations B-95 April 2004

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