Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Brian I. O'Connor"'
Autor:
Joanne L. Parrott, Michael R. van den Heuvel, Tibor Kovacs, Brian I. O'Connor, Pierre H. Martel, Glen Van Der Kraak, Deborah L. MacLatchy, Mark E. McMaster, L. Mark Hewitt
Publikováno v:
Environmental sciencetechnology. 51(6)
This study builds upon the work of a multiagency consortium tasked with determining cost-effective solutions for the effects of pulp mill effluents on fish reproduction. A laboratory fathead minnow egg production test and chemical characterization to
Autor:
Myriam Méthot, Brian I. O'Connor, Jean-François Le Berre, Gregory Chauve, Jean Bouchard, Carole Fraschini, Steven Ellis
Publikováno v:
Nordic Pulp & Paper Research Journal. 29:31-40
Autor:
L. Mark Hewitt, Sharon Semeniuk, Joanne L. Parrott, Brian I. O'Connor, Michael R. van den Heuvel, Tibor Kovacs, Glen Van Der Kraak, Mark E. McMaster, Deborah L. MacLatchy, Pierre H. Martel
Publikováno v:
Journal of Environmental Science and Health, Part A. 46:833-843
A long-term monitoring study was conducted on effluents from a bleached kraft pulp and paper mill located in Eastern Canada. The study was designed to gain insights into temporal effluent variability with respect to fish reproduction as it related to
Autor:
Mark E. McMaster, Joanne L. Parrott, Michael R. van den Heuvel, Tibor Kovacs, L. Mark Hewitt, Brian I. O'Connor, Deborah L. MacLatchy, Steven D. Melvin, Glen Van Der Kraak, Pierre H. Martel
Publikováno v:
Water Quality Research Journal. 45:175-186
Under the Canadian Environmental Effects Monitoring (EEM) program for pulp and paper effluents, the observation of a national response pattern of decreased gonad size and increased fish condition and liver size has triggered a centralized multiagency
Summary of Case Studies Investigating the Causes of Pulp and Paper Mill Effluent Regulatory Toxicity
Autor:
Sharon Gibbons, Valerie Naish, Pierre H. Martel, R.H. Voss, Brian I. O'Connor, Michael G. Paice, Tibor Kovacs
Publikováno v:
Water Quality Research Journal. 39:93-102
In Canada, effluents from pulp and paper mills are regulated for toxicity. The regulation requires ≥50% survival of rainbow trout (Oncorhynchus mykiss) exposed to full-strength (i.e., 100%) effluent for 96 h in tests that must be conducted monthly.
Publikováno v:
Water Quality Research Journal. 35:189-200
Rainbow trout exposed to effluent from a UNOX (oxygen activated sludge) treatment plant were found to exhibit signs of distress during the first hours of exposure. While the final effluent was not acutely lethal at full strength, it was still importa
Publikováno v:
Environmental Toxicology and Chemistry. 16:2375-2383
The source and identity of two mixed-function oxygenase (MFO)-inducing substances present in the primary-treated effluent of a thermomechanical pulp (TMP) mill producing newsprint was determined. The source was pinpointed by exposing rainbow trout (O
Autor:
Brian I. O'Connor, Mark E. McMaster, Joanne L. Parrott, Michael R. van den Heuvel, Deborah L. MacLatchy, Tibor Kovacs, Pierre H. Martel, L. Mark Hewitt, Glen Van Der Kraak
Publikováno v:
Journal of environmental science and health. Part A, Toxic/hazardous substancesenvironmental engineering. 48(10)
Building on breakthroughs recently made at kraft mills, a survey of mechanical pulp and paper mill effluents was undertaken to gain insights concerning potential effects on fish reproduction. Effluents from seven Canadian mills were characterized che
Autor:
A.H. Slade, Jagmohan Kohli, Douglas A. Holdway, D. Scott Smith, Rodrigo Orrego, Mark R. Servos, Brendan D. Smith, Philip D. Scott, Brian I. O'Connor, Tibor Kovacs, Heidi Engelhardt, Vance L. Trudeau, Tatiana Heid Furley, John T. Arnason, Andrew Waye, Milestone Craig Brennan, L. Mark Hewitt, Deborah L. MacLatchy
Publikováno v:
Environmental sciencetechnology. 46(3)
This study investigates factors affecting reproduction in fish exposed to pulp and paper mill effluents by comparing effluents from countries with varying levels of documented effects. To explore the hypothesis of wood as a common source of endocrine
Autor:
Pierre H. Martel, Christian Blaise, Brian I. O'Connor, Lauren Hall, Valerie Naish, Vance L. Trudeau, François Gagné, Tibor Kovacs
Publikováno v:
Nanotoxicology. 4(3)
The pulp and paper industry in Canada is developing technology for the production and use of nanocrystalline cellulose (NCC). A key component of the developmental work is an assessment of potential environmental risks. Towards this goal, NCC samples