This is a two volume set aimed at examining persistent, bioaccumulative, toxic chemicals that undergo slow environmental degradation in air, water, and soil, bioaccumulate in fish and other organisms, and exhibit a high degree of toxicity. In this volume chapters are devoted to persistence, modeling, and new chemicals. They also cover a broad international perspective on measured and calculated properties of PBTs and how these can be/are being used by governments, national, international organizations and industry to select candidate chemicals for possible control. Specific PBTs are highlighted including PCBs, mercury, dioxin, chlorinated paraffins, alkylphenols, synthetic musk fragrances, polychlorinated napthalenes and polybrominated biphenyl ethers.

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Donald MacKay has had a forty-year career as journalist, broadcaster and author. Descended from Pictou County settlers, and born and educated in Nova Scotia, he was a wartime merchant seaman, has been a reporter for Canadian Press, and covered major stories in a dozen countries for United Press International. He spent a decade as chief European correspondent for UPI Broadcast Services, based in London, and was general manager of UPI in Canada for five years before turning to writing books.

Donald and his wife, Barbara, live in Wolfville, Nova Scotia.

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"Consists of 18 papers from a March 1999 symposium that address persistence, modeling, and assessment of persistent, bioaccumulative, and toxic chemicals (PBTs) in the environment, as well as the identification of new members of this class. Some of the topics are the relationship between persistence and spatial range of environmental chemicals, modeling historical emissions and environmental fate of PCBs in the U.K., a dioxin pollution prevention inventory for the San Francisco Bay, and polybrominated diphenyl ethers in human milk from Sweden."--SciTech Book News