Wide Area UXO Contamination Evaluation by Transect Magnetometer Surveys
Cost & performance rept.
NOVA RESEARCH INC SOLVANG CA
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We have demonstrated a suite of data collection and analysis methodologies to support the rapid delineation of UXO contamination within a suspect site. Transect plans were developed by Pacific Northwest National Laboratory PNNL and Sandia National Laboratories SNL in cooperation with the ESTCP Program Office. The transect plans were based on available archive information and designed to allow the efficient sampling of the demonstration sites for areas of interest AOI while maintaining a statistically defensible probability of traversing the types of AOIs within the site that match the criteria developed from the available archive data and collected in the conceptual site models CSM. These transect plans were implemented and data were collected at each demonstration site. Anomaly location and a measure of anomaly magnitude were extracted from these data using an automated anomaly detection methodology. This information was provided to PNNLSNL for analysis to rapidly delineate AOIs. With this rapid pace, it was possible to interactively plan and execute additional transects to further resolve potential AOIs while the survey team was still deployed in the field.
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