Abstract
ABSTRACT The U.S. Coast Guard Research and Development Center recently completed a laboratory and field evaluation of a portable (battery-powered) Field Identification Luminescence Monitor (FILM) developed for oil spill identification. This instrument, a simplified fluorescence spectrometer, features high resolution, portability, operational simplicity, and sample-handling versatility. It is designed to record the fluorescence emission spectrum of oil from 280 to 650 nanometers (nm) directly on Polaroid® film for rapid comparisons of spill and suspected source samples directly at the spill site. Samples can be in the form of neat oils, solutions of oil in water, or as deposits on various substrates. Laboratory and field tests indicate that use of this instrument by pollution investigators both reduces the number of samples requiring laboratory analysis and increases the probability that the correct source has been sampled at or in the vicinity of the spill site. This system also can detect other fluorescing materials such as industrial solvents, specific hazardous chemicals, and polyaromatic hydrocarbons.
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