Planar PCB Hazards to Fish, Wildlife, and Invertebrates: a - CLU-IN
... Polychlorinated biphenyls, a highly lipophilic group of global pollutants, consist of 209 congeners (Fig. 1) with widely different toxicity and other biological effects (Kannan et al. 1989). In vertebrates, toxicological effects of PCBs have been related to their ability to induce the cytochrome P45 ...
... Polychlorinated biphenyls, a highly lipophilic group of global pollutants, consist of 209 congeners (Fig. 1) with widely different toxicity and other biological effects (Kannan et al. 1989). In vertebrates, toxicological effects of PCBs have been related to their ability to induce the cytochrome P45 ...
Dear Mr. ferran: 1lftt`l`pJl - Oregon Department of Environmental
... critical habitat is found, NMFS must provide a Reasonable and Prudent Alternative (RPA), which is an alternative action that the Federal agency could take which would not violate section 7(a)(2). NMFS has developed an RPA, which, if implemented, will change the action such that NMFS would conclude n ...
... critical habitat is found, NMFS must provide a Reasonable and Prudent Alternative (RPA), which is an alternative action that the Federal agency could take which would not violate section 7(a)(2). NMFS has developed an RPA, which, if implemented, will change the action such that NMFS would conclude n ...
Contaminants in Aquatic Habitats at Hazardous Waste - CLU-IN
... Environmental Protection Agency during all phases of the remedial process to protect the environment and restore natural resources at hundreds of waste sites each year. As another part of its marine trusteeship responsibilities, ORCA conducts comprehensive assessments of damages to coastal and marin ...
... Environmental Protection Agency during all phases of the remedial process to protect the environment and restore natural resources at hundreds of waste sites each year. As another part of its marine trusteeship responsibilities, ORCA conducts comprehensive assessments of damages to coastal and marin ...
Guidance on tiered risk assessment for plant protection products for
... ecological threshold option (ETO), accepting negligible population effects only, and (2) the ecological recovery option (ERO), accepting some population-level effects if ecological recovery takes place within an acceptable time period. In the tiered acute and chronic effect assessment schemes, in pr ...
... ecological threshold option (ETO), accepting negligible population effects only, and (2) the ecological recovery option (ERO), accepting some population-level effects if ecological recovery takes place within an acceptable time period. In the tiered acute and chronic effect assessment schemes, in pr ...
Directive 98/8/EC concerning the placing biocidal
... 2.2.1 Human Health Risk Assessment Human health risk assessment is based on data submitted by the applicant. Toxicology of hydrogen cyanide and generally of various sources of cyanide ion has long tradition: rich material has been accumulated on all relevant effects, and repeatedly analysed and disc ...
... 2.2.1 Human Health Risk Assessment Human health risk assessment is based on data submitted by the applicant. Toxicology of hydrogen cyanide and generally of various sources of cyanide ion has long tradition: rich material has been accumulated on all relevant effects, and repeatedly analysed and disc ...
4-chloroaniline - World Health Organization
... The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitat ...
... The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitat ...
Arsenic Technical Report - Environmental Assessment
... 6.3.1.3.1. Evaluating fixation using expressate from moist wood ..................................45 6.3.1.3.2. Comparison of other methods to assess fixation with expressate evaluation .46 6.3.1.3.3. What level of fixation is “adequate”? ............................................................. ...
... 6.3.1.3.1. Evaluating fixation using expressate from moist wood ..................................45 6.3.1.3.2. Comparison of other methods to assess fixation with expressate evaluation .46 6.3.1.3.3. What level of fixation is “adequate”? ............................................................. ...
Glyphosate`s Suppression of Cytochrome P450 Enzymes and Amino
... suppression of the shikimate pathway. For example, half of the eight genes encoding ATP synthase were downregulated, suggesting an impairment in mitochondrial ATP synthesis. At the same time, genes involved in importing sugars were upregulated, which suggests a switch to anaerobic fermentation, prod ...
... suppression of the shikimate pathway. For example, half of the eight genes encoding ATP synthase were downregulated, suggesting an impairment in mitochondrial ATP synthesis. At the same time, genes involved in importing sugars were upregulated, which suggests a switch to anaerobic fermentation, prod ...
Fact Sheet
... What is arsenic? Arsenic is a naturally occurring element that is widely distributed in the earth's crust. In the environment, arsenic can exist in different forms such as elemental arsenic, inorganic arsenic and organic arsenic compounds. Elemental arsenic and inorganic arsenics are being used in m ...
... What is arsenic? Arsenic is a naturally occurring element that is widely distributed in the earth's crust. In the environment, arsenic can exist in different forms such as elemental arsenic, inorganic arsenic and organic arsenic compounds. Elemental arsenic and inorganic arsenics are being used in m ...
Ultra Química
... in cosmetics and personal care products, and in pharmaceutical formulations. Common types include methyl paraben, ethyl paraben and propyl paraben. ...
... in cosmetics and personal care products, and in pharmaceutical formulations. Common types include methyl paraben, ethyl paraben and propyl paraben. ...
Human and Environmental Toxicity of Sodium Lauryl Sulfate (SLS
... Published by Libertas Academica. Learn more about this journal. ...
... Published by Libertas Academica. Learn more about this journal. ...
Microsoft Word - UWE Research Repository
... The diagnostic potential of clinical breath analysis has been recognised for centuries. It is said that the original research can be found within the writings of Hippocrates [1]. However, the first published quantitative analysis was not until 1784 when Lavoisier examined carbon dioxide in breath [2 ...
... The diagnostic potential of clinical breath analysis has been recognised for centuries. It is said that the original research can be found within the writings of Hippocrates [1]. However, the first published quantitative analysis was not until 1784 when Lavoisier examined carbon dioxide in breath [2 ...
Considerations for Exposure to Diazinon
... Recently, much better functional two-substrate assays have been developed that separate populations into individuals with specific functional genotypes as will be described below. The assay also provides the level of enzyme present in the plasma of each individual. An important genetic variability i ...
... Recently, much better functional two-substrate assays have been developed that separate populations into individuals with specific functional genotypes as will be described below. The assay also provides the level of enzyme present in the plasma of each individual. An important genetic variability i ...
Advice Summary - Product No. 63651, Application No. 49642
... Ametoctradin is hydrolytically stable, only slightly degradable by aqueous photolysis and not ready biodegradable. It does not persist in microbially-active aerobic and anaerobic water/sediment systems where it rapidly dissipates by partitioning. Ametoctradin is also not persistent in aerobic soils ...
... Ametoctradin is hydrolytically stable, only slightly degradable by aqueous photolysis and not ready biodegradable. It does not persist in microbially-active aerobic and anaerobic water/sediment systems where it rapidly dissipates by partitioning. Ametoctradin is also not persistent in aerobic soils ...
Additivity and Interactions in Ecotoxicity of Pollutant Mixtures: Some
... mixture should be given to further support the observed interaction. The isobole is however a graphic method and it seems obvious that with more than 3 components (three-dimensional isobole surface), the graphic is difficult to make and visualization of the effect of mixtures is difficult [14,27]. I ...
... mixture should be given to further support the observed interaction. The isobole is however a graphic method and it seems obvious that with more than 3 components (three-dimensional isobole surface), the graphic is difficult to make and visualization of the effect of mixtures is difficult [14,27]. I ...
sanoF aventi s ~ 7 2~ A ri123, 200
... Indeed, one such compound, tetrachloro-(dl-trans)-DACHplatinum(N), was tested in humans and was found to be active, but too neurotoxic, as compared to cisplatin and carboplatin, for continued development .23 Likewise, the SR200034 unspecified impurities (i.e. the unidentified platinum (N) impuritie ...
... Indeed, one such compound, tetrachloro-(dl-trans)-DACHplatinum(N), was tested in humans and was found to be active, but too neurotoxic, as compared to cisplatin and carboplatin, for continued development .23 Likewise, the SR200034 unspecified impurities (i.e. the unidentified platinum (N) impuritie ...
Contaminants in the Urban Environment: Bisphenol-A1
... sensitive windows, such as early stages of embryo development, have been identified. The risk of BPA effects will vary from one individual to another and in different life stages. On the other hand, the US Food and Drug Administration (FDA) has established (based on an ongoing safety review of scien ...
... sensitive windows, such as early stages of embryo development, have been identified. The risk of BPA effects will vary from one individual to another and in different life stages. On the other hand, the US Food and Drug Administration (FDA) has established (based on an ongoing safety review of scien ...
Arsenic is a semi-metal element in the periodic table
... of studies of orally-exposed human populations. These studies have identified effects on virtually every organ or tissue evaluated, although some end points appear to be more sensitive than others. The available data from humans identify the skin as the most sensitive noncancer end point of long-ter ...
... of studies of orally-exposed human populations. These studies have identified effects on virtually every organ or tissue evaluated, although some end points appear to be more sensitive than others. The available data from humans identify the skin as the most sensitive noncancer end point of long-ter ...
ORGANIC MATTER, HUMUS, HUMATE, HUMIC ACID, FULVIC
... extractants is able to remove all of the organic matter from a soil sample. Obviously since these chemicals are the best extracts known it is impossible to determine the exact amount of organic matter present within a soil. In realty soil organic matter is not a measurable soil component The organic ...
... extractants is able to remove all of the organic matter from a soil sample. Obviously since these chemicals are the best extracts known it is impossible to determine the exact amount of organic matter present within a soil. In realty soil organic matter is not a measurable soil component The organic ...
Lindane, Hexachlorocyclohexane (Technical Report on Carcinogens, Thirteenth Edition
... at least 189 hazardous-waste sites currently or formerly on the National Priorities List; it occurred in air at 9 sites, surface water at 33 sites, sediment at 36 sites, and soil at 90 sites. The Non-Occupational Pesticide Exposure Study, published in 1990, collected personal air samples at one U.S. ...
... at least 189 hazardous-waste sites currently or formerly on the National Priorities List; it occurred in air at 9 sites, surface water at 33 sites, sediment at 36 sites, and soil at 90 sites. The Non-Occupational Pesticide Exposure Study, published in 1990, collected personal air samples at one U.S. ...
Can highly hydrophobic organic substances cause aquatic baseline
... the critical body residue approach that suggests baseline toxicity to occur at a relatively constant body burden [9]. Regulatory guidelines and standard methods for aquatic toxicity tests were developed for essentially pure substances that are soluble and stable in water, whereas they are less suite ...
... the critical body residue approach that suggests baseline toxicity to occur at a relatively constant body burden [9]. Regulatory guidelines and standard methods for aquatic toxicity tests were developed for essentially pure substances that are soluble and stable in water, whereas they are less suite ...
Methyl tert-butyl ether (MTBE) and its Effects on
... 4. Belpoggi, F. , Soffritti, M. , & Maltoni, C. (1995). Methyl-tertiary-butyl ether (mtbe)--a gasoline additive--causes testicular and lymphohaematopoietic cancers in rats. Toxicology and Industrial Health, 11(2), 119-149. 5. Bird, M.G., Burleigh-Flayer, H.D., Chun, J.S., Douglas, J.F., Kneiss, J.J. ...
... 4. Belpoggi, F. , Soffritti, M. , & Maltoni, C. (1995). Methyl-tertiary-butyl ether (mtbe)--a gasoline additive--causes testicular and lymphohaematopoietic cancers in rats. Toxicology and Industrial Health, 11(2), 119-149. 5. Bird, M.G., Burleigh-Flayer, H.D., Chun, J.S., Douglas, J.F., Kneiss, J.J. ...
Nanomaterials in the aquatic environment: A
... pelagic species, settling may result in increasing exposure concentrations for benthic species and decreasing concentrations for pelagic species. Such problems not only are of scientific concern but also have practical implications for testing strategies; for example, excessive aggregation might inva ...
... pelagic species, settling may result in increasing exposure concentrations for benthic species and decreasing concentrations for pelagic species. Such problems not only are of scientific concern but also have practical implications for testing strategies; for example, excessive aggregation might inva ...
Organometallic compounds: TBT
... consumption. This drag effect is increased by the growth of marine organisms and plants on the ship’s hull known as ‘fouling’. As a ship typically only enters dry dock every two to five years for cleaning, an alternative approach to reduce fouling is the application of anti-fouling paints. These coa ...
... consumption. This drag effect is increased by the growth of marine organisms and plants on the ship’s hull known as ‘fouling’. As a ship typically only enters dry dock every two to five years for cleaning, an alternative approach to reduce fouling is the application of anti-fouling paints. These coa ...
Do earthworms impact metal mobility and
... and Johnson, 2007; Coeurdassier et al., 2007) or decreases (e.g. Liu et al., 2005; Lukkari et al., 2006; Ma et al., 2006) in metal availability. It can therefore be concluded that the individual metals are not as important as the earthworms themselves or soil properties when determining the impact o ...
... and Johnson, 2007; Coeurdassier et al., 2007) or decreases (e.g. Liu et al., 2005; Lukkari et al., 2006; Ma et al., 2006) in metal availability. It can therefore be concluded that the individual metals are not as important as the earthworms themselves or soil properties when determining the impact o ...