ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY

An International Journal


Volume 16, Number 2 1997
CONTENTS
Editorial

SETAC-Europe Reaches 1,000 Members! (pp. 119-121)
R.R. Stephenson

Letters to the Editor

Environmental Risk Assessment Within a Decision-Making Framework (pp. 122-123)
L.S. McCarty

Warning: Replacing NOECs with Point Estimates May Not Solve Regulatory Contradictions (p.124 )
B. S. Dhaliwal, R.J. Dolan, C.W. Batts, J. M. Kelly, R. W. Smith, S. Johnson

Authors' Response (p. 125)
Peter F. Chapman, Peter M. Chapman


Environmental Chemistry

Extrapolating Mineralization Rates from the Ready CO2 Screening Test to Activated Sludge, River Water, and Soil (pp. 127-135)
T. W. Federle, S. D. Gasior, B. A. Nuck

Marine Heterotrophic Bacteria as Indicators in Coastal Water Quality Assessment: Introducing the "Apparent Bacterial Concentration Approach" (pp. 135-139)
G. Sbrilli, M. Cruscanti, M. Bucci, C. Gaggi, E. Bacci

Toxicity Of Oxyanions Of Selenium and of A Proposed Bioremediation Intermediate, Dimethyl Seleone (pp. 140-145)
R. Yu, J.P. Coffman, V. Van Fleet-Stalder, T.G. Chasteen

The influence of the pH on the Toxic Effects of Zinc, Cadmium and Pentachlorphenol on Pure Cultures of Soil Microorganisms (pp. 146-153)
P. van Beelen, A.K. Fleuren-Kemilä

Evaluation of Temporal and Age-Related Trends of Chemically and Biologically Generated 2,3,7,8-s Mietrachlorodibenzo-p-Dioxin Equivalents in Lake Ontario Lake Trout, 1977-1993 (pp. 154-164)
S.Y. Huestis, M.R.Servos, D.M. Whittle, M. van den Heuvel, D.G. Dixon

Measurements of Pesticide Spray Drift Deposition Into Field Boundaries and Hedgerows: I. Summer Applications (pp. 165-172)
M. Longley, T. Cilgi, P.C. Jepson, N.W. Southerton

Measurements of Pesticide Spray Drift Deposition into Field Boundaries and Hedgerows: 2. Autumn Applications (pp. 173-178)
M. Longley, N. W. Sotherton

Organic Pollutants in the Coastal Environment off San Diego, California. 1. Source Identification and Assessment by Compositional Indices of Polycyclic Aromatic Hydrocarbons (pp. 179-188)
E.Y. Zeng, C.L. Vista

Organic Pollutants in the Coastal Environment Off San Diego, California. 2. Petrogenic and Biogenic Sources of Aliphatic Hydrocarbons (pp. 189-195)
K. Tran, C.C. Yu, E.Y. Zeng

Organic Pollutants in the Coastal Marine Environment off San Diego, California. 3. Using Linear Alkybenzenes to Trace Sewage-derived Organic Materials (pp. 196-201)
E.Y. Zeng, A.R. Khan, K. Tran

Effects of Cations, Temperature, and Cresote on Degradation of Indole by Desulfobacterium indolicum (DSM 3383) (pp. 202-206)
D. Licht, E. Arvin, B.K. Ahring


Environmental Toxicology

Comparative Evaluation of Soil Toxicity Using Lettuce Seeds and Soil Ciliates (pp. 207-213)
N. Bowers, J. R. Pratt, D. Beeson, M. Lewis

Effect of Copper Chloride In Vitro And In Vivo On The Hepatic EROD Activity in the Fish Dicentrachus labrax (pp. 214-219)
X. Stien, C. Risso, M. Gnassia-Barelli, M. Roméo, M. Lafaurie

Effects of Free Cu2+ and Zn2+ Ions on Growth and Metal Accumulation in Freshwater Algae (pp. 220-229)
K. Knauer, R. Behra, L. Sigg

Effects of 2,3,7,8-Tetrachlorodibenzo-p-dioxin on Development of Anuran Amphibans (pp. 230-240)
R.E. Jung, M.K. Walker

Effects of an Antibiotic (baytrill, enrofloxacin) on PCB-initiated Inductin of Cytochrome P4501A mRNA in Sexually Mature Alantic Tomcod (Microgadus tomcod) (pp. 241-244)
J. Williams, S.C. Courtenay, I.I. Wirgin

Exotoxicological Assessment of Aquatic Sediments with Caenorhabditis elegans (Nematoda) -- A Method for Testing Liquid Medium and Whole-Sediment Samples (pp. 245-250)
W. Traunspurger, M. Haitzer, S. Höss, S. Beier, W. Ahlf

Effects of the Insecticide Dursban®4E (Active Ingredient Chlorpyrifos) in Outdoor Experimental Ditches: Responses of Exosystem Metabolism (pp. 251-259)
K. Kersting, P.J. van den Brink

Contaminant Concentrations and Biomarker Response in Great Blue Heron Eggs from 10 Colonies on the Upper Mississippi River, USA (pp. 260-271)
T.W. Custer, R.K. Hines, M.J. Melancon, D.J. Hoffman, J.K. Wickliffe, J.W. Bickham, J.W. Martin, D.S. Henshel

Effects of Exposure toan Organophosphate Pesticide on Behavior and Acetylcholinesterase Activity in the Common Shrew, Sorex araneus (pp. 272-276)
G. Dell'Omo, R. Bryenton, R.F. Shore

Interactive Effects on the EROD-Inducing Potency of Polyhalogenated Aromatic Hydrocarbons in the Chicken Embryo Hepatocyte Assay (pp. 277-282)
E.Y. Verhallen, M. van den Berg, A.T.C. Bosveld

Similarity Analysis of PAH and PCB Bioaccumulation Patterns in Sediment-Exposed Chironomus tentans Larvae (pp. 283-292)
L.W. Wood, P. O'Keefe, B. Bush

Persistence and Fate of 2,3,4,6-Tetachlorophenol and Pentachlorophenol in Limnocorrrals (pp. 293-305)
K. Liber, R.K. Solomon, J.H. Carey

Effect of the Fungicide Clotrimazole on the Bioconcentration of Benzo[a]pyrene in Gizzard Shad (Dorosoma cepedianum): In Vivo and In Vitro Inhibition of Cytochrome P4501A Activity (pp. 306-311)
S.L. Levine, H. Czosnyka, J.T. Oris

Susceptibility of Early Life Stages of Xenopus laevis to Cadmium (pp. 312-316)
J. Herkovits, P. Cardellini, C. Pavanati, C.S. Perez-Coll

Toxicity and Bioaccumulation of a Mixture of Heavy Metals in Chironomus tentans (Diptera: Chironomidae) in Synthetic Sediment (pp. 317-327)
E.A. Harrahy, W.H. Clements

Bioaccumulation of Cesium-137 in Yellow Bullhead Catfish (Ameiurus natalis Inhabiting an Abandoned Nuclear Reactor Reservoir (pp. 328-335)
C.D. McCreedy, C.H. Jagoe, L.T. Glickman, I.L. Brinsbin, Jr.

The Significance of Growth in Chironomus tentans Sediment Toxicity Tests: Relationship to Reproduction and Demographic Endpoints (pp. 336-345)
P.K. Sibley, D.A. Benoit, G.T. Ankley

A Comparison of the Toxicity and Metabolism of Phenol and Chlorinated Phenols by Lemna gibba, with Special Reference to 2,4,5-Trichlorophenol (pp. 346-350)
H.A. Sharma, J.T. Barber, H.E. Ensley, M.A. Polito

Evidence That Variability in Ambient Fathead Minnow Short-Term Chronic Tests is Due to Pathogenic Infection (pp. 351-356)
L.A. Kszos, A.J. Stewart, J.R. Sumner

QSARS for Weak Acid Respirtory Uncouplers to Bibrio fisheri (pp. 357-360)
T.W. Schultz, M.T. Cronin


Hazard/Risk Assessment

Demonstration of a Toxicological Risk Ranking Method to Correlate Measures of Ambient Toxicity and Fish Community Diversity (pp. 361-371)
S.I. Hartwell

A Screening Method for Ranking and Scoring Chemicals by Potential Human Health and Environmental Impacts (pp. 372-382)
M. Swanson, G.A. Davis, L.E. Kincaid, T. Schultz, J. Bartmess, S. Jones, E.L. George

Comparison of Three Marine Screening Tests and Four OSPAR(Oslo and Paris Commissions) Procedures to Evaluate Toxicity of Offshore Chemicals (pp. 384-390)
M. Weideborg, E.A. Vik, G. Øfjord, O. Jkønnø

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