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Now, there is Diffusion Models of Environmental Transport, which provi des more than 40 analytical models of diffusion and advective-diffusio n in one, two, and three layer systems, subject to a wide range of bou ndary and initial conditions. This text illustrates applications to co ntaminant transport in sediments and soils, including porewater and va por transport, and also provides Mathcad spreadsheets to aid in the us e of these models. The authors supply complete details of the solutio ns to the models for those who wish for a deeper understanding. For ot hers, who do not have the time...

Fate and transport models are critical components in the determination of the exposure to and risk from hazardous contaminants. Analytical models are preferable because they are generally more accessible, more reliable, and require fewer computational resources. Surprisingly, until today, only a limited number of analytical models have been accessible in the literature.Now, there is Diffusion Models of Environmental Transport, which provides more than 40 analytical models of diffusion and advective-diffusion in one, two, and three layer systems, subject to a wide range of boundary and initial...