Tunable dye laser applications in environment pollution monitoring

Results about the use of lasers in monitoring pollutants in water and soil are reported, as follows: Tunable dye laser absorption spectrophotometry was used for organochlorurate pesticides (atrasine, propasine, simasine, etc.) measuring in water; detection limit 10-3–10-4 ppm. Laser induced fluorescence (LIF) was applied to monitor organochlorurate pesticides in water, crude oil and oil components in water and soil; detection limits: 10-1–10-2 ppm. The experimental set-up developed for pollutants monitoring in water and soil are described. Conclusions are drawn regarding the proper techniques for pesticides and oil detection in situ in water and soil.