The OIP (Optical Image Profiler) is a direct push fluorescence detector tool used for the delineation of non-aqueous phase liquid (NAPL) hydrocarbon fuels and oils. The OIP-UV probe is designed with UV and visible light sources which are directed out a sapphire window. As the optical image probe is advanced into the subsurface, the UV light source will induce fluorescence of the fuel polycyclic aromatic hydrocarbons (PAHs). This fluorescence is captured by an onboard camera which operates at 30 images per second. Images are saved throughout the advancement of the log and still photos are taken using UV and visible light sources each rod addition as well as at operator chosen depths. Soil fluorescence images (20 per ft) are saved throughout the log and can be reviewed in Direct Image® Viewer after the log is complete. The OIP-G is available for heavier fuel or oil products.

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