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Effects of particulate carbonaceous matter on the bioavailability of benzo[a]pyrene and 2,2',5,5'-tetrachlorobiphenyl to the clam, Macoma balthica We investigated the bioavailability via diet of spiked benzo[a]pyrene (BaP) and 2,2',5,5'-tetrachlorobiphenyl (PCB-52) from different carbonaceous (non-carbonate, carbon containing) particle types to clams (Macoma balthica) collected from San Francisco Bay. Our results reveal significant differences in absorption efficiency between compounds and among carbonaceous particle types. Absorption efficiency for PCB-52 was always greater than that for BaP bound to a given particle type. Among particles, absorption efficiency was highest from wood and diatoms and lowest from activated carbon. Large differences in absorption efficiency could not be simply explained by comparatively small differences in the particles' total... Categories: Publication; Types: Citation; Tags: Absorption, Animals, Benzo(a)pyrene, Biological Availability, Bivalvia, All tags... Carbon, Charcoal, Chemical, Diatoms, Diet, Feces, Feeding Behavior, Food Chain, Geologic Sediments, Particle Size, Polychlorinated biphenyls, Risk assessment, Waste Management, Water Pollutants, Fewer tags Biological uptake of polychlorinated biphenyls by Macoma balthica from sediment amended with activated carbon This work characterizes the efficacy of activated carbon amendment in reducing polychlorinated biphenyl (PCB) bioavailability to clams (Macoma balthica) from field-contaminated sediment (Hunters Point Naval Shipyard, San Francisco Bay, CA, USA). Test methods were developed for the use of clams to investigate the effects of sediment amendment on biological uptake. Sediment was mixed with activated carbon for one month. Bioaccumulation tests (28 d) were employed to assess the relationships between carbon dose and carbon particle size on observed reductions in clam biological uptake of PCBs. Extraction and cleanup protocols were developed for the clam tissue. Efficacy of activated carbon treatment was found to increase... Categories: Publication; Types: Citation; Tags: Animals, Bivalvia, California, Charcoal, Chemical, All tags... Dose-Response Relationship, Drug, Environmental Exposure, Environmental Monitoring, Geologic Sediments, Particle Size, Polychlorinated biphenyls, United States, Water Pollutants, Fewer tags Kentucky - Tier 1 Conservation Areas Appendix 4.26, 4.31, 4.32, and 4.33 in Kentucky's Comprehensive Wildlife Conservation Plan. Each taxonomic conservation area (6 total) was assigned a value of 1 and then all were summed together. Ecoregions with values of 4 or more were considered tier I areas Categories: Data, Publication; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 8-digit hydrologic unit, Amphibia, Aves, Bivalvia, Cephalaspidomorphi, All tags... Comprehensive Wildlife Conservation Strategy, KDFWR, Kentucky Department of Fish and Wildlife Resources, LCC, Mammalia, Osteichthyes, Priority Conservation Area, Reptilia, State and Tribal Wildlife Grants Program, agriculture, amphibian, aquatic species, bird, birds, boundaries, conservation, conservation delivery, ecoregion, eutrophication, fish, fishes, gulf hypoxia, habitat, hypoxia, lampreys, landscape conservation cooperative, landscape conservation design, mammal, mississippi river basin, mussels, pollinators, reptile, sdm, species, species distribution, strategic conservation, structured decision making, terrestrial species, water quality, wildlife, Fewer tags