Volume 14, Number 9
ENVIRONMENTAL TOXICOLOGY
AND CHEMISTRY

An International Journal

Volume 14, Number 9 1995
CONTENTS

Letters to the Editor

Do Sediment Toxicity Tests Require Field Validation? (pp. 1451-1453)
P.M. Chapman

Secondary Treatment of Bleached-Kraft Mill Effluent (p. 1455)
R.P. Fisher

Author's Reply (p. 1455-1456)
M. Gagnon, D.B. Bussieres, J. Dodson, P.V. Hodson


Environmental Chemistry
Hydrolysis of para-Substituted Benzonitriles in Water (pp. 1457-1463)
S. Masunaga, N.L. Wolfe, K. Hayase

Overview and Rationale for Developing Regulatory Guidelines for Nontarget Plant Testing with Chemical Pesticides (pp.1465-1475)
C. Boutin, K.E. Freemark, C.J. Keddy

Sediment Sorption Coefficient Measurements for Four Phthalate Esters: Experimental Results and Model Theory (pp. 1477-1486)
M.D. Williams, W.J. Adams, T.F. Parkerton, G.R. Biddinger, K.A. Robillard

Parameters Affecting the Adsorption of Hexachlorobenzene to Natural Sediments (pp. 1487-1497)
R. Jepsen, S. Borglin, W. Lick, D.L. Swackhamer


Environmental Toxicology
Ammonia Variation in Sediments: Spatial, Temporal and Method-Related Effects (pp. 1499-1506)
N. Sarda, G.A. Burton, Jr.

Successive Changes in Bacterioplankton Communities in the River Rhine After Copper Additions (pp. 1507-1512)
D.M.J. Tubbing, W. Admiraal, A. Katako

Second-Round Interlaboratory Comparison of Hepatic Ethoxyresorufin-O-Deethylase Activity in White Sucker (Catostomus commersoni) Exposed to Bleached-Kraft Mill Effluent (pp. 1513-1520)
M.R. van den Heuvel, K.R. Munkittrick, J.J. Stegeman, D.G. Dixon

Hexazinone Effects on Stream Periphyton and Invertebrate Communities (pp. 1521-1527)
D.P. Kreutzweiser, S.S. Capell, B.C. Sousa

Stimulation of Increased Short-Term Growth and Development of Mayflies by Pulp Mill Effluent (pp. 1529-1541)
R.B. Lowell, J.M. Culp, F.J. Wrona

Avian Consumption of Blank Pesticide Granules Applied at Planting to Iowa Cornfields (pp. 1543-1549)
D.L. Fischer, L.B. Best

Bioavailability of Polycyclic Aromatic Hydrocarbons from a Historically Contaminated Sediment Core (pp. 1551-1560)
G.A. Harkey, P.L. Van Hoof, P.F. Landrum

Uptake and Elimination of Resin Acids and Physiological Responses in Rainbow Trout Exposed to Total Mill Effluent From an Integrated Newsprint Mill (pp. 1561-1568)
K. Johnsen, K. Mattsson, J. Tana, T.R. Stuthridge, J. Hemming, K.J. Lehtinen

A Summary of the Acute Toxicity of 14 Phthalate Esters to Representative Aquatic Organisms (pp. 1569-1574)
W.J. Adams, G.R. Biddinger, K.A. Robillard, J.W. Gorsuch

A Method for Partitioning Cadmium Bioaccumulated in Small Aquatic Organisms - Short Communication (pp. 1575-1577)
P.P.G.S.N. Siriwardena, K.J. Rana, D.J. Baird

Lethal Body Burdens of Polar Narcotics: Chlorophenols (pp. 1579-1585)
A.P. van Wezel, S.S. Punte, A. Opperhuizen

The Effects of Sublethal Dimethoate Exposure on the Locomotor Behavior of the Collembolan Folsomia candida (Isotomidae) - Short Communication (pp. 1587-1590)
F.F. Sørensen, M. Bayley, E. Baatrup

Use of Joint Toxic Response to Define the Primary Mode of Toxic Action for Diverse Industrial Organic Chemicals (pp. 1591-1605)
S.J. Broderius, M.D. Kahl, M.D. Hoglund

The Response of Biota in Experimental Stream Channels to a 24-Hour Exposure to the Herbicide Velpar L® (pp. 1607-1613)
J. Schneider, A. Morin, F.R. Pick


Hazard/Risk Assessment
Validation of Models on Uptake of Organic Chemicals by Plant Roots (pp. 1615-1623)
M.D. Polder, E.M. Hulzebos, D.T. Jager

A Mechanistic Model of Contaminant-Induced Feeding Inhibition in Daphnia magna (pp. 1625-1630)
Y. Allen, P. Calow, D.J. Baird

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