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KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

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APPENDIX B<br />

Table B7.1-3. Approved Background Concentrations of Radiological Constituents<br />

in Soil—Canyons Study – for Kirtland AFB<br />

COC<br />

Area Group<br />

HWB Median<br />

(pCi/g)<br />

HWB Maximum Sample<br />

Value<br />

(pCi/g)<br />

HWB Maximum<br />

Background<br />

(pCi/g) (1)<br />

Cesium-137 -- 0.411 3.545 --<br />

LC -- -- 1.55<br />

UC -- -- 0.515<br />

CB -- -- 1.063<br />

Fan -- -- 0.664<br />

Radium-226 -- 1.992 3.827 --<br />

UC -- -- 2.66<br />

LC/UC/Fan -- -- 2.60<br />

Radium-228 -- NA NA --<br />

LC/UC/Fan -- -- 1.080<br />

Strontium-90 -- NA NA --<br />

LC/UC/Fan -- -- 1.08<br />

S/T/SW/Off -- -- 1.08<br />

Thorium-232 -- 0.950 1.540 --<br />

LC/UC/Fan -- -- 1.03<br />

Thorium-234 -- NA NA --<br />

LC/UC/Fan -- -- 2.31<br />

CB -- -- 2.31<br />

Uranium-234 -- 0.780 1.290 --<br />

LC/UC/Fan -- -- 2.31<br />

Uranium-235 -- 0.06 0.12 --<br />

LC/UC/CB/Fan -- -- 0.16<br />

Uranium-238 -- 0.850 1.400 --<br />

LC/UC/Fan -- -- 2.31<br />

Kirtland AFB<br />

SOPs for Field Investigations B-169 April 2004

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