1. How to adapt chemical risk assessment for unconventional hydrocarbon extraction related to the water system -- 2. A Review of the Chemistry, Pesticide Use and Environmental Fate of Sulfur Dioxide, as Used in California -- 3. A non-destructive method to identify POP contamination sources in omnivorous seabirds -- 4. The Environmental Behaviour of Methylene-4,4‘-dianiline (MDA) -- 5. Distribution of Microplastics and Nanoplastics in Aquatic Ecosystems and their Impacts on Aquatic Organisms, with Emphasis on Microalgae.Reviews of Environmental Contamination and Toxicology provides concise, critical reviews of timely advances, philosophy and significant areas of accomplished or needed endeavor in the total field of xenobiotics, in any segment of the environment, as well as toxicological implications.