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KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

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APPENDIX B<br />

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

in Soil for Kirtland AFB (Continued)<br />

COC Depth Area Group<br />

HWB Median<br />

(mg/kg)<br />

HWB Maximum<br />

Sample Value<br />

(mg/kg)<br />

Mercury Surface < 0.25 < 0.25<br />

HWB<br />

Maximum<br />

Background<br />

(mg/kg) (1)<br />

N/T/SW/CTF/Off -- -- < 0.25<br />

Subsurface N/T/SW/CTF/Off -- -- < 0.1<br />

Nickel Surface / Subsurface 8.0 21.0<br />

N/Off -- -- 25.4<br />

T -- -- 21.0<br />

SW/CTF -- -- 11.5<br />

Selenium Surface / Subsurface NA NA<br />

N/T/SW/CTF/Off -- -- < 1<br />

Silver Surface < 1 < 1<br />

N/SW/CTF/Off -- -- < 1<br />

Subsurface N/SW/CTF/Off -- -- < 1<br />

Thallium Surface / Subsurface < 1 2<br />

N/T/SW/CTF/Off -- -- < 1.1<br />

Tin Surface / Subsurface < 10 < 10<br />

N/T/CTF/Off -- -- < 10<br />

Total Uranium Surface NA NA<br />

N/T/SW/CTF/Off -- -- 3.42<br />

Subsurface N/SW -- -- 2.3<br />

Vanadium Surface 23.0 33.0<br />

N/T -- -- 33.0<br />

SW/CTF/Off -- -- 20.4<br />

Kirtland AFB<br />

SOPs for Field Investigations B-165 April 2004

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