Camp San Luis Obispo was established in 1928 by California as a National Guard Camp. During World War II, Camp San Luis Obispo was used by the U.S. Army for infantry division training and included artillery and small arms, mortar, rocket, and grenade ranges. Currently, the former Camp San Luis Obispo is approximately 2,101 acres situated along Highway 1, approximately five miles northwest of San Luis Obispo, California. The 11.6 acre demonstration site spans a hillside that is a historical mortar target with limited vegetation and a variety of munitions types.
Munitions Present at the Demonstration Site
60-mm, 81-mm, and 4.2-in mortars2.36-in rockets
The objectives of the demonstration at the former Camp San Luis Obispo were to demonstrate the systems that were successful at the former Camp Sibert, demonstrate new advanced systems, and increase the difficulty of the demonstration by including a variety of munitions instead of only one target of interest.
Beginning in the spring of 2009, the demonstration consisted of several combinations of data-collection platforms and analysis approaches, ranging from careful application of commercial survey instruments to three prototype systems specially designed to maximize the detection and classification of munitions. The commercial EM61 MK II, used for the initial survey, was deployed to collect data on 100% of the site. The Naval Research Laboratory’s Time Domain Electromagnetic Multi-sensor Towed Array Detection System (TEMTADS) and the Berkeley UXO Discriminator (BUD) were deployed in cued mode to collect data at the locations of individual anomalies detected by the EM61. Finally, Geometrics’ MetalMapper (MM) system was operated in both survey and cued mode. The MM performed a detection survey and collected cued data over all the anomalies it detected.
The site was seeded with inert munitions, and all anomalies were dug to confirm technology performance. Demonstrators were scored based on their ability to eliminate nonhazardous items while retaining all detected munitions.
Results and Conclusions
Substantial classification ability was demonstrated on this more challenging site. In the application of classification analyses to carefully collected survey data from commercial EMI sensors, the best performers correctly classified all or nearly all of the munitions, while achieving reductions of up to 50% in the number of non-munitions. The recently developed advanced EMI sensors optimized for UXO classification showed even better results. Analysis of MM data collected in cued mode resulted in correct classification of nearly 1,000 of the approximately 1,300 non-munitions. A simple cost model based on these results shows the potential for large savings as the classification approach is adopted on munitions response sites.
Final Report: Former Camp San Luis Obispo - 2009 ESTCP UXO Classification StudyLead Organization: SAIC
Demonstration Report: Former Camp San Luis Obispo - Application of Bayesian Dig-Stop AlgorithmLead Organization: Pacific Northwest National Laboratory
Final Report: Former Camp San Luis Obispo - ESTCP Classification DemonstrationLead Organization: Institute for Defense Analyses
Feature Extraction and Classification of Magnetic and EMI Data (In preparation)Lead Organization: Sky Research, Inc.
Demonstration Report: Former Camp San Luis Obispo - TEMTADS EMI Array for Cued UXO DiscriminationLead Organization: Nova Research, Inc.
Interim Report: Former Camp San Luis Obispo - MetalMapper SystemLead Organization: Geometrics
Final Report: Former Camp San Luis Obispo - BUD System Lead Organization: Lawrence Berkeley National Laboratory
Final Report: Former Camp San Luis Obispo - UXO Discrimination StudyLead Organization: Signal Innovations Group
Final Report: Former Camp San Luis Obispo - EM61 MK2 Cart Data Collection and Analysis Lead Organization: NAEVA Geophysics
Demonstration Data Report: Former Camp San Luis Obispo - MTAD Mag and EM61 MkII SurveysLead Organization: Nova Research, Inc.
Interim Report: Former Camp San Luis Obispo - Man-Portable Simultaneous Mag and EMI System Lead Organization: SAIC
Final Report: Former Camp San Luis Obispo - LGP Discrimination and Residual Risk AnalysisLead Organization: SAIC and RML
Final Report: Former Camp San Luis Obispo - Feature Extraction and Classification of Mag and EMI DataLead Organization: Sky Research, Inc.
Final Report: Former Camp San Luis Obispo - TEMTADS EMI Array for Cued UXO DiscriminationLead Organization: Naval Research Laboratory