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KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

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APPENDIX B<br />

1<br />

2<br />

3<br />

4<br />

5<br />

COC<br />

EPA<br />

HWB<br />

Table B7.1-2. Approved Background Concentrations of Radiological Constituents<br />

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

COC Depth Area Group<br />

HWB<br />

Median<br />

(pCi/g)<br />

HWB Maximum<br />

Sample Value<br />

(pCi/g)<br />

HWB<br />

Maximum<br />

Background<br />

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

Uranium-234 Surface / Subsurface -- 0.78 1.29 --<br />

N -- -- 1.6<br />

SW -- -- 1.6<br />

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

N/CTF -- -- 0.18<br />

SW -- -- 0.16<br />

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

Kirtland AFB<br />

MCL<br />

mg/kg<br />

NA<br />

pCi/g<br />

N/Off -- -- 1.3<br />

SW -- -- 1.4<br />

FOOTNOTES<br />

Use the HWB Maximum Background Concentration for soils to establish background concentrations for assessments<br />

EPA Lifetime Health Advisory<br />

EPA Proposed MCL<br />

NO3 / NO2 could not be readily established for Kirtland AFB area on a size-wide basis (Moses and Winz, 1995)<br />

Maximum Contaminant Level actually applies to Radium 226 + Radium-228<br />

Contaminant of Concern<br />

U.S. Environmental Protection Agency<br />

New Mexico Environment Department Hazardous Waste Bureau<br />

Kirtland Air Force Base<br />

EPA Maximum Contaminant Level<br />

milligram per kilogram<br />

Not analyzed<br />

Picocuries per gram<br />

-- Not included on Table<br />

NO3/NO2<br />

Area Groups:<br />

Nitrate and Nitrite as Nitrogen<br />

N : North LC : Lower Canyon<br />

T : Tijeras UC : Upper Canyon<br />

SW : Southwest CB : Canyons Background<br />

CTF :<br />

Off :<br />

Coyote Test Field<br />

Off-size (?) off-site<br />

Source: Letter dated September 24, 1997 from New Mexico Environment Department Hazardous Waste Bureau to Mr. Michael<br />

J. Zamorski, Acting Area Manager, Kirtland Area Office, U.S. Department of Energy<br />

Kirtland AFB<br />

SOPs for Field Investigations B-168 April 2004

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