Fluorescence detection of petroleum contamination: evaluation of various lasers for SCAPS sensor

David S. Knowles; John Kertesz

doi:10.1117/12.259783

26 November 1996 Fluorescence detection of petroleum contamination: evaluation of various lasers for SCAPS sensor

David S. Knowles, John Kertesz

Proceedings Volume 2835, Advanced Technologies for Environmental Monitoring and Remediation; (1996) https://doi.org/10.1117/12.259783
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The Site Characterization and Analysis Penetrometer System detects underground petroleum contamination using a laser induced fluorescence sensor that is hydraulically pushed into the ground by a 20 ton cone penetrometer truck. The sensitivity of the sensor depends on both the excitation wavelength and the composition of the petroleum contaminant. The efficiency of three laser sources (nitrogen laser at 337 nm, XeCl excimer laser at 308 nm and Nd:YAG laser at 266 nm) have been compared using soil spiked with fuels and various fuels dissolved in acetonitrile.

Citation Download Citation

David S. Knowles and John Kertesz "Fluorescence detection of petroleum contamination: evaluation of various lasers for SCAPS sensor", Proc. SPIE 2835, Advanced Technologies for Environmental Monitoring and Remediation, (26 November 1996); https://doi.org/10.1117/12.259783

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