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Polyfluorinated Chemicals and Transformation Products
Due to their unparalleled effectiveness and efficiency, polyfluorinated chemicals (PFC) have become essential in numerous technical applications. However, many PFCs brought to market show limited biodegradability, and their environmental persistence combined with toxic and bioaccumulative potential have become a matter of concern in some instances. This volume highlights the synthesis of PFCs, focusing on substances with improved application and environmental properties, which are a challenge for synthetic chemists. Further, modern mass spectrometric techniques for the detection and identification of biotransformation products of PFCs are described. The sorption and leaching behavior of PFC in soil is also addressed in order to predict their fate in the environment. Several contributions discuss the monitoring of PFCs in European surface, ground and drinking waters, treatment options for PFC removal from drinking water, occurrence in food, and the human biomonitoring of PFCs.
Dead Ends
A riddle rarely makes sense the first time you hear it. The connection between Dane and Billy D doesn't make sense any time you hear it. But it's a collection of riddles that brings these two unlikely friends together. Dane Washington lives by two rules: don't hit girls and don't hit special kids. Billy D has Down's Syndrome and thinks a fierce boy who won't hit him could come in useful. Billy D has a puzzle to solve, after all, and he has the perfect plan to make Dane help him. Billy is sure the riddles in his atlas are really clues left by his missing dad. Together, Billy and Dane must embark on an epic road trip, although most of the clues lead to dead ends. What Dane doesn't realise is that Billy D isn't as innocent as he seems and the biggest secret is hidden close to home...
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