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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 />

HWB<br />

Maximum<br />

Background<br />

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

Total Chromium Subsurface N/CTF/Off -- -- 12.8<br />

(Cont‘d) T -- -- 16.2<br />

SW -- -- 15.9<br />

Chromium-6 (Cr +6 ) Surface / Subsurface NA NA<br />

SW -- -- 1<br />

Cobalt Surface 5.0 9.3<br />

N/Off -- -- 7.1<br />

T -- -- 9.3<br />

SW/CTF -- -- 5.2<br />

Subsurface N/Off -- -- 8.8<br />

T -- -- 9.3<br />

SW/CTF -- -- 5.2<br />

Copper Surface 10.0 17<br />

N -- -- 17<br />

T -- -- 17<br />

SW/CTF/Off -- -- 15.4<br />

Subsurface N -- -- 17<br />

T -- -- 17<br />

SW/CTF/Off -- -- 18.2<br />

Lead Surface 11 39<br />

N/T -- -- 39<br />

SW/CTF/Off -- -- 21.4<br />

Subsurface N/T -- -- 11.2<br />

SW/CTF/Off -- -- 11.8<br />

Kirtland AFB<br />

SOPs for Field Investigations B-164 April 2004

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