Results 121 to 130 of about 3,180 (158)
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Global hexachlorobenzene emissions
Chemosphere, 2001Information from a variety of sources has been assembled to give a global picture of hexachlorobenzene (HCB) emissions in the mid 1990s. No single overwhelming source of HCB was identified. The best estimates of global HCB emissions from different categories of sources are as follows: pesticides application - 6500 kg/yr; manufacturing - 9500 kg/yr ...
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Biomonitoring equivalents for hexachlorobenzene
Regulatory Toxicology and Pharmacology, 2010Recent efforts worldwide have resulted in a growing database of measured concentrations of chemicals in blood and urine samples taken from the general population. However, few tools exist to assist in the interpretation of the measured values in a health risk context.
Aylward, Lesa L. +4 more
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Hexachlorobenzene toxicity in pigs
Toxicology and Applied Pharmacology, 1978Hexachlorobenzene Toxicity in Pigs. den Tonkelaar, E. M., Verschuuren, H. G., Bankovska, J., de Vries, T., Kroes, R., and van Esch, G. J. (1978). Toxicol. Appl. Pharmacol. 43 , 137–145. A 90-day toxicity study was carried out in which pigs received 0.05, 0.5, 5.0, and 50 mg/kg/day of hexachlorobenzene (HCB).
E M, den Tonkelaar +5 more
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Intestinal excretion of hexachlorobenzene
Archives of Toxicology, 19811. The intestinal excretion of hexachlorobenzene (HCB) was studied in rats using the method of pendular perfusion. One and four weeks after i.p. application of 100 micrograms HCB/kg body weight segments of jejunum, ileum and colon were perfused with light liquid paraffin or squalane for 5 h. 2.
E, Richter, S G, Schäfer
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Hexachlorobenzene (HCB) residues in fish
Bulletin of Environmental Contamination and Toxicology, 1974Analysis of fish collected by the U.S. Fish and Wildlife Service for the fall 1970 National Pesticide Monitoring Program detected the presence of a compound eluting with, and subsequently identified incorrectly as B-benzenehexachloride. This compound was frequently observed when Florisil cleanup was used in the analysis of organochlorine residues in ...
J L, Johnson, D L, Stalling, J W, Hogan
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Public health assessment of hexachlorobenzene
Chemosphere, 2001Recently, hexachlorobenzene (HCB) was proposed for inclusion in the system of toxicity equivalency factors (TEFs) currently used for dioxin-like compounds. In this paper, we explore the practical implications of the proposition to the Agency for Toxic Substances and Disease Registry (ATSDR) programs by comparing respective health guidance values for 2 ...
H R, Pohl +4 more
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Hexachlorobenzene (HCB): A review
Environmental Research, 1979Current knowledge about hexachlorobenzene (HCB) is reviewed. HCB is not a naturally occurring compound and is known to accumulate in both terrestrial and marine animals. The toxicity to human beings of long-term low level exposure to HCB is discussed. The occurrence of HCB in humans, food, wild mammals, birds, fish, and soil is described.
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Carcinogenesis of hexachlorobenzene in mice
International Journal of Cancer, 1979AbstractHexachlorobenzene (HCB) is a fungicide and a by‐product in the manufacture of many chlorinated solvents and pesticides. In Turkey, between 1955 and 1959 HCB was the causative agent of an epidemic of toxic porphyria, which involved more than 3,000 people, predominantly children.
J R, Cabral +3 more
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Hexachlorobenzene and its metabolism
Toxicological & Environmental Chemistry, 1988This overview of the metabolism of the fungicide hexachlorobenzene (HCB) reviews the extensive metabolic studies and the numerous metabolites found in animals. The complex processes of the metabolic pathways of HCB into sulfur‐containing metabolites, or into non‐sulfur‐containing phenolic metabolites, or into non‐sulfur‐ and non‐oxygen‐containing ...
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Oncogenicity of hexachlorobenzene.
IARC scientific publications, 1987Subchronic and chronic toxicities of hexachlorobenzene (HCB) were studied in both sexes of Swiss mice, Syrian golden hamsters and Sprague-Dawley rats, at dietary dosages of 0, 100 and 200 ppm (mice), and 0, 200 and 400 ppm (hamsters and rats) for 90 days. At day 91, 25/50 animals in each of 18 groups were killed for histology studies.
E, Ertürk +6 more
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