Research Topics
| Mace G BarronSummaryAffiliation: U.S. Environmental Protection Agency Country: USA Publications
| Collaborators
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Detail Information
Publications
Comparison of species sensitivity distributions derived from interspecies correlation models to distributions used to derive water quality criteriaScott D Dyer
The Procter and Gamble Company, 11810 East Miami River Road, Cincinnati, Ohio 45253 8707, USA
Environ Sci Technol 42:3076-83. 2008..The application of ICE models is recommended as a valid approach for generating SSDs and hazard concentrations for chemicals with limited toxicity data...- Association between contaminant tissue residues and effects in aquatic organismsMace G Barron
P.E.A.K. Research, 1134 Avon Lane, Longmont, CO 80501, USA
Rev Environ Contam Toxicol 173:1-37. 2002.... - Survey of methodologies for developing media screening values for ecological risk assessmentMace G Barron
Gulf Ecology Division, U S Environmental Protection Agency, 1 Sabine Island Drive, Gulf Breeze, Florida 32561, USA
Integr Environ Assess Manag 1:320-32. 2005..Risk assessors involved in ERA should carefully evaluate the technical basis of SVs and consider the uncertainty in any value used to determine the presence or absence of risk and the need for further assessment... - Accuracy of chronic aquatic toxicity estimates determined from acute toxicity data and two time-response modelsMace G Barron
Gulf Ecology Division, U S Environmental Protection Agency, 1 Sabine Island Drive, Gulf Breeze, Florida 32561, USA
Environ Toxicol Chem 27:2196-205. 2008..The time course of mortality should be considered when applying time-response models to estimate chronic aquatic toxicity, with greater accuracy likely for chronic survival than for growth or reproduction... 
Evaluation of in silico development of aquatic toxicity species sensitivity distributionsMace G Barron
U S EPA, GED, 1 Sabine Island Drive, Gulf Breeze, FL 32561, USA
Aquat Toxicol 116:1-7. 2012..Additional research is needed to reduce uncertainty in HC5s using only in silico approaches and to develop computational approaches for predicting species sensitivity...- Ecological impacts of the deepwater horizon oil spill: implications for immunotoxicityMace G Barron
US Environmental Protection Agency, ORD NHEERL GED, Gulf Breeze, Florida 32531, USA
Toxicol Pathol 40:315-20. 2012.... - Methods to estimate solar radiation dosimetry in coral reefs using remote sensed, modeled, and in situ dataMace G Barron
GED, US EPA, 1 Sabine Island Drive, Gulf Breeze, FL 32561, USA
Environ Monit Assess 151:445-55. 2009..These results indicate large variation in solar radiation dosimetry within coral reefs that may be estimated with reasonable accuracy using regional Kd measurements and radiative transfer modeling... - Temporal and spatial variation in solar radiation and photoenhanced toxicity risks of spilled oil in Prince William Sound, Alaska, USAMace G Barron
Gulf Ecology Division, US Environmental Protection Agency, Gulf Breeze, Florida 32561, USA
Environ Toxicol Chem 27:727-36. 2008..These results demonstrate substantial temporal and spatial variation in solar radiation in Prince William Sound and the potential for significant season- and location-specific photo-enhanced toxicity risks from spilled oil... - Assessment of the phototoxicity of weathered Alaska North Slope crude oil to juvenile pink salmonMace G Barron
P E A K Research, 1130 Avon Lane, Longmont, CO 80501, United States
Chemosphere 60:105-10. 2005..The results of this study suggest that pink salmon may be at less risk from photoenhanced toxicity compared to the translucent early-life stages of several other Alaska species... - Retrospective and current risks of mercury to panthers in the Florida EvergladesMace G Barron
P E A K Research, 1134 Avon Lane, Longmont, CO 80501, USA
Ecotoxicology 13:223-9. 2004..1% (HQ range of <0.1-1.4). The results of this assessment indicate that past Hg exposures likely adversely affected panthers in the Everglades, but current risks of Hg are low... - Relative potency of PAHs and heterocycles as aryl hydrocarbon receptor agonists in fishMace G Barron
P E A K Research, Longmont, Colorado, USA
Mar Environ Res 58:95-100. 2004..These results show that PAHs can have similar potency as many dioxin-like PCBs, and AhR mediated toxicity should be considered in assessing the risks of PAHs in fish... - Evaluation of fish early life-stage toxicity models of chronic embryonic exposures to complex polycyclic aromatic hydrocarbon mixturesMace G Barron
P E A K Research, 1130 Avon Lane, Longmont, Colorado 80501, USA
Toxicol Sci 78:60-7. 2004..We recommend the continued use of total PAHs as a metric of exposure until mechanistic models have been further evaluated... - Estimation of wildlife hazard levels using interspecies correlation models and standard laboratory rodent toxicity dataJill A Awkerman
U S Environmental Protection Agency, Gulf Ecology Division, Gulf Breeze, Florida 32561, USA
J Toxicol Environ Health A 72:1604-9. 2009..Laboratory rodent toxicity data offer an additional source of information that can be used to predict hazard levels for wildlife species, and thus offer a starting point for both health and ecological risk assessment... - Photoenhanced toxicity of aqueous phase and chemically dispersed weathered Alaska North Slope crude oil to Pacific herring eggs and larvaeMace G Barron
P E A K Research, 1134 Avon Lane, Longmont, Colorado 80501, USA
Environ Toxicol Chem 22:650-60. 2003..These results are consistent with the hypothesis that weathered ANS is phototoxic and that UV can be a significant and causative factor in the mortality of early life stages of herring exposed to oil and chemically dispersed oil... - Development of species sensitivity distributions for wildlife using interspecies toxicity correlation modelsJill A Awkerman
U S Environmental Protection Agency, Gulf Ecology Division, 1 Sabine Island Drive, Gulf Breeze, Florida 32561, USA
Environ Sci Technol 42:3447-52. 2008..These results indicate that ICE models can be used to generate SSDs comparable to those derived from measured wildlife toxicity data and provide robust estimates of the HD5... - Standardizing acute toxicity data for use in ecotoxicology models: influence of test type, life stage, and concentration reportingSandy Raimondo
National Health and Environmental Effects Laboratory, Gulf Ecology Division, US Environmental Protection Agency, 1 Sabine Island Drive, Gulf Breeze, FL, 32561, USA
Ecotoxicology 18:918-28. 2009..These results indicate that standardizing test data by acute test type, reported concentration type, or life stage may not be critical for developing ecotoxicological models using large datasets of log-transformed values... - Comparative sensitivity of six scleractinian corals to temperature and solar radiationJohn W Fournie
National Health and Environmental Effects Research Laboratory, US Environmental Protection Agency, FL, USA
Dis Aquat Organ 99:85-93. 2012..These results demonstrate species-specific responses to solar radiation and temperatures, with M. faveolata and S. intersepta being the most susceptible to bleaching due to high irradiance... - Protectiveness of species sensitivity distribution hazard concentrations for acute toxicity used in endangered species risk assessmentSandy Raimondo
U S Environmental Protection Agency, National Health and Environmental Effects Laboratory, Gulf Ecology Division, 1 Sabine Island Drive, Gulf Breeze, Florida 32561, USA
Environ Toxicol Chem 27:2599-607. 2008..We recommend the use of SSDs as a distribution-based risk assessment approach that is generally protective of listed species... - Predicting coral bleaching in response to environmental stressors using 8 years of global-scale dataSusan Harrell Yee
United States Environmental Protection Agency, Gulf Ecology Division, National Health and Environmental Effects Research Laboratory, 1 Sabine Island Drive, Gulf Breeze, FL 32561, USA
Environ Monit Assess 161:423-38. 2010..Results provide insights into the effects of environmental parameters on bleaching at a global scale... - Determinants of variability in acute to chronic toxicity ratios for aquatic invertebrates and fishSandy Raimondo
U S Environmental Protection Agency, Gulf Ecology Division, I Sabine Island Drive, Gulf Breeze, Florida 32561, USA
Environ Toxicol Chem 26:2019-23. 2007..Although few significant differences occurred among median ACRs for different groups, those categories that were highly variable are at an increased risk of underestimated chronic toxicity when mean or median ACRs are used... - Critical evaluation of CROSERF test methods for oil dispersant toxicity testing under subarctic conditionsMace G Barron
PEAK Research, 1134 Avon Lane, Longmont, CO 80501, USA
Mar Pollut Bull 46:1191-9. 2003.... - Contaminant exposure and effects in pinnipeds: implications for Steller sea lion declines in AlaskaMace G Barron
P E A K Research, 1134 Avon Lane, Longmont, CO 80501, USA
Sci Total Environ 311:111-33. 2003.... - Minimizing risks from spilled oil to ecosystem services using influence diagrams: the Deepwater Horizon spill responseJohn F Carriger
National Health and Environmental Effects Research Laboratory, Gulf Ecology Division, U S Environmental Protection Agency, 1 Sabine Island Drive, Gulf Breeze, Florida 32561, USA
Environ Sci Technol 45:7631-9. 2011..These features of the developed IDs may assist in better investigating the uncertainty, costs, and the trade-offs if large-scale, deep ocean spills were to occur again... - Influence of taxonomic relatedness and chemical mode of action in acute interspecies estimation models for aquatic speciesSandy Raimondo
US Environmental Protection Agency, National Health and Environmental Effects Laboratory, Gulf Ecology Division, 1 Sabine Island Dr, Gulf Breeze, Florida 32561, USA
Environ Sci Technol 44:7711-6. 2010..g., within phylum). These results indicate that between-species toxicity extrapolation can be improved using MOA-based models for less related taxa pairs and for those specific MOAs... - Comparative toxicity of eight oil dispersants, Louisiana sweet crude oil (LSC), and chemically dispersed LSC to two aquatic test speciesMichael J Hemmer
U S Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, Gulf Breeze, Florida, USA
Environ Toxicol Chem 30:2244-52. 2011..5 mg TPH/L) as the dispersant-LSC mixtures. The results of the present study indicate that Corexit 9500A had generally similar toxicity to other available dispersants when tested alone but was generally less toxic as a mixture with LSC... - Photoenhanced toxicity of weathered Alaska North Slope crude oil to the calanoid copepods Calanus marshallae and Metridia okhotensisSwitgard Duesterloh
Juneau Center, School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Juneau 99801, USA
Environ Sci Technol 36:3953-9. 2002..Bioaccumulation factors were approximately 8000 for C. marshallae and approximately 2000 for M. okhotensis. The interaction of the effect of PAC and UV radiation was highly significant (P < 0.005) in both experiments...