Foreword by Keith Solomon and John Giesy -- Foreword by Coordinating Board of Editors -- Ecological Risk Assessment for Chlorpyrifos in Terrestrial and Aquatic Systems in The United States Overview and Conclusions -- Properties and Uses of Chlorpyrifos in the United States -- Fate in the Environment and Long-Range Atmospheric Transport of the Organophosphorus Insecticide, Chlorpyrifos and its Oxon in the United States -- Exposures of Aquatic Organisms to the Organophosphorus Insecticide, Chlorpyrifos Resulting from Use in the United States -- Risks to Aquatic Organisms from Use of Chlorpyrifos in the United States -- Refined Avian Risk Assessment for Chlorpyrifos in the United States -- Risk to Pollinators from the Use of Chlorpyrifos in the United States
