Characterization of Ambient Air Particle Size Fractions in Three German Cities with the Aid of Electron Microscopy K. H. FriedrichsH. Behrendt Pages: 229 - 231
Distribution of Polychlorinated Naphthalene Congeners in Environmental and Source-Related Samples U. JärnbergL. AsplundE. Jakobsson Pages: 232 - 245
Concentration, Distribution, and Comparison of Selected Trace Elements in Bed Sediment and Fish Tissue in the South Platte River Basin, USA, 1992–1993 J. S. HeinyC. M. Tate Pages: 246 - 259
Assessment of Sediment Toxicity Using Different Trophic Organisms Y. H. CheungA. NellerM. H. Wong Pages: 260 - 267
Phototoxicity Identification by Solid Phase Extraction and Photoinduced Toxicity to Daphnia magna A.-S. WernerssonG. Dave Pages: 268 - 273
Environmental Health Assessment of the Benthic Habitat Adjacent to a Pulp Mill Discharge. I. Acute and Chronic Toxicity of Sediments to Benthic Macroinvertebrates P. K. SibleyJ. LeglerD. R. Barton Pages: 274 - 284
The Influence of Air Pollution on the Concentration of Airborne Elements and on the Production of Stress-Ethylene in the Lichen Usnea hirta (L.) Weber em. Mot. Transplanted in Urban Sites in Oulu, N. Finland J. GartyM. KauppiA. Kauppi Pages: 285 - 290
Immuno-Modulator Effects of Carbaryl and 2,4 D in the Earthworm Eisenia fetida andrei P. VilleP. RochJ.-F. Narbonne Pages: 291 - 297
Lethal and Sublethal Effects of Nitrogen Fertilizer Ammonium Nitrate on Common Toad (Bufo bufo) Tadpoles Q. XuR. S. Oldham Pages: 298 - 303
Relation Between Age and Heavy Metal Content in the Otoliths of Pomadasys stridens Forskål 1775 Collected from the Arabian Gulf S. AhmadS. M. Al-Ghais Pages: 304 - 308
Liver Cell Estrogen Receptor Binding in Prespawning Female Largemouth Bass, Micropterus salmoides, Environmentally Exposed to Polychlorinated Biphenyls E. F. GarciaR. J. McPhersonM. S. Greeley Jr Pages: 309 - 315
Organochlorine Contaminants in Double-Crested Cormorants from Green Bay, Wisconsin: II. Effects of an Extract Derived from Cormorant Eggs on the Chicken Embryo D. C. PowellR. J. AulerichS. J. Bursian Pages: 316 - 322
Tissue Mercury Concentrations in Alligators (Alligator mississippiensis) from the Florida Everglades and the Savannah River Site, South Carolina G. M. YanochkoC. H. JagoeI. L. Brisbin Jr. Pages: 323 - 328
Monitoring of Polychlorinated Biphenyls in Human Blood Plasma: Methodological Developments and Influence of Age, Lactation, and Fish Consumption E. GrimvallL. RylanderC. Östman Pages: 329 - 336
