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KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

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APPENDIX A<br />

3. DESIGN OF DATA COLLECTION OPERATIONS<br />

3.1 Sample Location and Frequency<br />

The location and frequency of samples collected will be representative of the media sampled and apply to<br />

the intended data use. Maps showing intended sampling locations will be included as figures in the<br />

project-specific FSPs. The rationale for selecting these sampling locations will be documented in the<br />

project-specific addenda. In general, this rationale will include a review of existing and historical<br />

information about the sites or any activities which have occurred on the site. This information may<br />

include interviews, literature searches, aerial photographs, etc. which will help target suspected areas of<br />

contamination. Suspect areas will be the focus of additional investigations as warranted by the site<br />

histories and may include radiological surveys, soil gas surveys, and geophysical surveys. These<br />

extrusive surveys will further narrow the suspect areas and suggest areas to concentrate the intrusive<br />

activities such as soil sampling and groundwater sampling. Downgradient receptors locations such as<br />

arroyos and wells will be identified.<br />

Information obtained from the extrusive activities and the site‟s physical environmental setting will assist<br />

in choosing the sample locations and the number of samples to be collected. The number of samples<br />

collected may also be supported by statistical calculations, as appropriate. The location, number, and<br />

description of stations sampled will be provided according to the needs of a specific project. The<br />

selection of background locations will be based on visual observation, knowledge of past activities, and<br />

results from other studies and projects. Similarly, locations for field monitoring and field screening<br />

analysis will be developed.<br />

The selection of locations and frequency of samples that will be collected for an initial, or Phase I, site<br />

investigation can be planned after the following activities have been completed:<br />

Collect and review existing information such as site history and waste disposal practices<br />

Formulate the site conceptual model<br />

The site history and waste disposal practices of the site will be researched by using available historical<br />

documents, waste management records, previous investigations, and interviews to establish an accurate<br />

picture of the past site activities. The preliminary data collection and review will help to formulate a site<br />

conceptual model. If a Phase II program is to be implemented, information available from the Phase I<br />

program must be taken into consideration before sampling can take place. Table 3-1 presents the<br />

activities associated with site investigations. These activities are listed in the order that they must occur<br />

to fully characterize a site based on an initial Phase I investigation and any necessary subsequent<br />

investigations.<br />

A site conceptual model should include the following items which are required to develop a site-specific<br />

sampling strategy:<br />

Identification of potential contaminants at the site<br />

Identification of media affected by direct release of contaminants<br />

Evaluation of media potentially affected by current transport of contaminants<br />

Kirtland AFB<br />

Field Sampling Plan A-13 April 2004

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