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KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

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APPENDIX B<br />

Table B7.1-4. Approved Background Concentrations of Inorganic Constituents<br />

in Groundwater for Kirtland AFB<br />

COC<br />

EPA Analytical<br />

Method<br />

EPA MCL<br />

( g/L)<br />

HWB 95 th Percentile or<br />

UTL ( g/L)<br />

HWB Maximum<br />

Background ( g/L)<br />

Antimony 6010 6 NA 6<br />

Arsenic 6010 50 NA 14<br />

Barium 6010 2000 200 120<br />

Beryllium 6010 4 NA 4<br />

Cadmium 6010 5 < 1 0.47<br />

Total Chromium 6010 100 51 43<br />

Chromium-6 (Cr +6 ) 6010 100 NA < 10<br />

Cobalt 6010 50 (2) < 10 2.5<br />

Copper 6010 1300 (2) < 50 < 50<br />

Lead 6010 15 13 10<br />

Mercury 7470 2 NA 2<br />

Nickel 6010 100 25 28<br />

Selenium 6010 50 NA 5<br />

Silver 6010 50 NA < 10<br />

Thallium 6010 2 NA 2<br />

Tin 7870 -- NA 50<br />

Total Uranium -- 20 (3) NA 5.2<br />

Vanadium 6010 20 (2) 13 13<br />

Zinc 6010 5000 2230 260<br />

Zirconium -- -- NA --<br />

(NO 3 /NO 2) 353.2 10000 -- (4) 4000<br />

28<br />

4.1<br />

470<br />

Kirtland AFB<br />

SOPs for Field Investigations B-171 April 2004

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