Ultra-violet fluorescence (UVF) is used as a field screening tool in the on-site detection of a variety of compounds in soil and water, including petroleum hydrocarbons, polychlorinated biphenyls and polyaromatic hydrocarbons (PHCs, PCBs and PAHs). These are broad terms used to classify compounds that are similar in structure. Petroleum products contain different types and amounts of hydrocarbons, which fluoresce differently.
While UVF can detect certain classes of compounds, they are non-selective. This means that all hydrocarbons of a certain range are detected and cannot be separated in the field. Laboratory analysis is required to determine concentrations of individual compounds.
UVF is used as a field screening tool, particularly useful in delineation of hydrocarbons during remediation as it can provide a clear determination of the areas of impact. Upon completion of the remedial activities, only confirmatory need to be sent to the laboratory.
A typical sample can be prepared and tested in minutes. The UVF can be operated by a battery pack, making it a good choice for remote fieldwork. UVF is a valuable on-site testing technology that can be used on a wide range of sites, saving you both time and money.
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