Analytical Evaluation of Laboratories Wishing to Perform Environmental Characterization Studies (pp. 145-1351)
G.G. Lauenstein, A.Y. Cantillo

Desorption Kinetics of Chlorobenzenes, Polycyclic Aromatic Hydrocarbons and Polychlorinated Biphenyls: Sediment Extraction with Tenax® and Effects of Contact Time and Solute Hydrophobicity (pp.1351-1357)
G. Cornelisson, P.C.M. van Noort, H.A.J. Govers

Estimating Total Body Residues and Baseline Toxicity of Complex Organic Mixtures in Effluents and Surface Waters (pp. 1358-1365)
W.M.G.M. van Loon, M.E. Verwoerd, F. G. Wijnker, C.J. van Leeuwen, P. van Duyn, C. van deGuchte, J.L.M. Hermens

Toxic Effects of Some Benzamines on the Growth of Azotobacter vinelandii and Other Bacteria (pp. 1366-1369)
K-T Chung, S-C Chen, Y.-Y. Zhu, T.Y. Wong, S.E. Stevens, Jr.

Acute Toxicity of Fire-Retardant and Foam-Suppressant Chemicals to Hyalella azteca (Saussure) (pp. 1370-1376)
S.F. McDonald, S.J. Hamilton, K.J. Buhl, J.F. Heisinger

Inability of Bacteria to Degrade Low concentrations of Toluene in Water (pp. 1377-1383)
F. Roch, M. Alexander

The Uptake, Distribution, and Metabolism of Benzo[a]pyrene in Coho Salmon, Oncorhynchus kisutch, During the Parr-Smolt Transformation (pp. 1384-1388)
M.A. Lemke, C.J. Kennedy

Separation of 2,3,3’,4’,6- Pentachlorobiphenyl (IUPAC 110) from 3,3’,4,4’- Tetrachlorobiphenyl (IUPAC 77) Using High Performance Liquid Chromatography (pp. 1389-1392)
M.Qi, M. Anderson

Distribution of Metals and Accumulation of Lead by Different Tissues in the Freshwater Snail Lymnaea stagnalis (L) (pp. 1393-1395)
F.B. Pyatt, A.J. Pyatt, V.W. Pentreath

Effects of Air Pollution on Cell Membrane Integrity, Spectral Reflectance, and Metal and Sulfur Concentration in Lichens (pp. 1396-1402)
J. Garty, Y. Cohen, N. Kloog, A. Karnieli

Modulation of 2’-5’ Oligoadenylate Synthetase by Environmental Stress in the Marine Sponge Geodia cydonium (pp. 1403-1409)
H. C. Schröder, M. Wiens, A. Kuusksalu, M. Kelve, W. E. G. Müller

Responses of Carp Hepatopancreatic 7-Ethoxyresorufin -O -deethylase and Glutathione-Dependent Enzymes to Organic Pollutants - A Field Study (pp. 1410-1416)
M. Petrivalsky´,M. Machala, K. Nezveda, R. Ulrich, L. Dusek, V. Piacka, Z. Svobodova´

Glutathione-dependent Detoxifying Enzymes in Rainbow Trout Liver: Search for Specific Biochemical Markers of Chemical Stress (pp. 1417-1422)
M. Petrivalsky´,M. Machala, K. Nezveda, V. Piacka, Z. Svobodova´, P. Drabek

Phytotoxicity of Floodplain Soils Contaminated with Trace Metals Along the Clark Fork River, Grant-Kohrs Ranch National Historical Site, Deer Lodge, Montana, USA (pp. 1423-1432)
B.R. Rader, D.W.R. Nimmo, P.L. Chapman

Levels of Asymmetry in Formica pratensis Retz. (Hymenoptera, Insecta) from a Chronic Metal-Contaminated Site (pp. 1433-1440)
W.B. Rabitsch

Hepatic Ethoxyresorufin-O-deethylase Activity and Inducibility in Wild Populations of Double-Crested Cormorants (Phalacrocorax auritus) (pp. 1441-1449 )
J.A. Davis, D.M. Fry, B.W. Wilson

Effects of 3,3',4,4',5-Pentachlorobiphenyl (PCB126), 2,3,7,8-Tetrachlorodibenzo-p-dioxin or an Extract Derived from Field-Collected Cormorant Eggs Injected into Double-Crested Cormorant (Phalacrocorax auritus) eggs (pp. 1450-1455)
D.C. Powell, R.J. Aulerich, J.C. Meadows, D.E. Tillitt, J.F. Powell, J.C. Restum, K.L. Stromborg, J.P.Giesy, S.J. Bursian

Polychlorinated Biphenyls in Eggs and Chorioallantoic Membranes of American Alligators (Alligator mississippiensis) from Coastal South Carolina (pp. 1456-1462)
G.P. Cobb, P.D. Wood, M. O'Quinn

Biomagnification of Polychlorinated Biphenyls Through a Riverine Food Web (pp. 1463-1471)
D.T. Zaranko, R.W. Griffths, N.K. Kaushik

Biomarker Sensitivity for Polynuclear Aromatic Hydrocarbon Contamination in Two Marine Fish Species Collected in Galveston Bay, Texas (pp. 1472-1479)
K. Willett, S.J. McDonald, M.A. Steinberg, K.B. Beatty, M.C. Kennicutt, S.H. Safe

Using a Water-effect Ratio Approach to Establish Effects of an Effluent-influenced Stream on Copper Toxicity to the Fathead Minnow (pp. 1480-1487)
J.M. Diamond, C. Gerardi, E. Leppo, T. Miorelli

Comparison of Azinphosmethyl Toxicity to Juvenile Red Drum (Sciaenops ocellatus ) and the Mummichog (Fundulus heteroclitus ) (pp. 1488-1493)
R.F. Van Dolah, P.P. Maier, M.H. Futon, G.I. Scott

Chronic Effects of Organochlorine Exposure in Sediment to the Marine Polychaete Neanthes arenaceodentata (pp. 1494-1503)
M.H. Murdoch, P.M. Chapman, D.M. Johns, M.D. Paine

Spiking Sediment with Organochlorines for Toxicity Testing (pp. 1504-1509)
M.H. Murdoch, P.M. Chapman, D.M. Norman, V.M. Quintino

Differential Toxicity of Three Polychloronated Biphenyl Congeners of Comparable Body Burdens in Developing Sea Urchin Embryos and Implication of TEQ Approach (pp. 1510-1514)
L.E. Schweitzer , J.E. Hose, I. H. Suffet, S. M. Bay

High Accumulation of Tributyltin in Blood Among Tissues of Fish and Applicability to the Environmental Montoring Short Communication (pp. 1515-1517)
Y. Oshima, K. Nimala, J. Go, Y. Yokota, J. Koyama, N. Imada, T. Honjo, K. Kobayashi

Bioaccumulation of Polychlorinated Dibenzo-p-dioxins in Sediment by Oligochaetes: Influence of Exposure Pathway and Contact Time (pp. 1518-1525)
H. Loonen, D.C.G. Muir, J.R. Parsons, H.A.J. Govers

Subchronic Effects of Five Di-ortho PCB Congeners on Survival Growth and Reproduction in the Fathead Minnow Pimephales promelas (pp. 1526-1532)
B.C. Suedel, T.M. Dillon, W.H. Benson

2,3,7,8-Tetrachlorodibenzo-p-dioxin Equivalents in Extracts of Baltic White-Tailed Sea Eagles (pp. 1533-1544)
J. Koistenen J. Koivusaari, I. Nuuja, P.J. Vuorinen, J. Paasivirta, J.P. Giesy

Evaluation of a First-Order Midel for the Prediction of the Bioaccumulation of PCBs and DDTs from Sediment into the Marine Deposit-Feeding Clam Macoma nasuta (pp. 1545-1553)
B.L. Boese, H. Lee II, S. Echols

Estimating Inhibition Concentrations for Different Response Scales Using Generalized Linear Models (pp. 1554-1560)
A.J. Bailer, J. T. Oris

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