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... A quantitative comparison of the experimental carcinogenicity of vinyl chloride and vinyl bromide, by integration of toxicokinetic elements, can be based on the following longterm studies (Bolt 1988): 1. Maltoni et al. (1974) and Maltoni and Lefemine (1975) exposed Sprague-Dawley rats (aged 11-17 wk ...
... A quantitative comparison of the experimental carcinogenicity of vinyl chloride and vinyl bromide, by integration of toxicokinetic elements, can be based on the following longterm studies (Bolt 1988): 1. Maltoni et al. (1974) and Maltoni and Lefemine (1975) exposed Sprague-Dawley rats (aged 11-17 wk ...
IPCS Risk Assessment Terminology
... documents and sources, to their respective networks of experts. The list of selected items is provided in Annex 1 to Part 1 of this document, and the list of the source documents is provided in Annex 2. The survey results are summarized in Annex 3. The IPCS/OECD Terminology Planning Working Group an ...
... documents and sources, to their respective networks of experts. The list of selected items is provided in Annex 1 to Part 1 of this document, and the list of the source documents is provided in Annex 2. The survey results are summarized in Annex 3. The IPCS/OECD Terminology Planning Working Group an ...
Deliverable 4.2 - Guidelines for appropriate “biomarker of exposure
... “biomarker of exposure” selection for EWAS studies WP4 Human Biomonitoring Version number 1 (January 2015) ...
... “biomarker of exposure” selection for EWAS studies WP4 Human Biomonitoring Version number 1 (January 2015) ...
A Review of the Toxicity and Environmental Behaviour of Bromine in
... The bromide ions are then oxidised by the chlorine to bromine and the vapour is removed by blowing air through the brine, the bromine being recovered from the air. This method is not widely used today, as there are more concentrated sources of bromide available. The largest producer nation is the US ...
... The bromide ions are then oxidised by the chlorine to bromine and the vapour is removed by blowing air through the brine, the bromine being recovered from the air. This method is not widely used today, as there are more concentrated sources of bromide available. The largest producer nation is the US ...
Statement of Need and Reasonableness (SONAR) (PDF: 1.05MB/196 pages)
... drink more water; that is, they are more exposed. People may also be more vulnerable because of genetic factors, pre-existing health conditions, age, diet, and a host of other factors. Infants and children are more highly exposed than adults because for their body weight, they drink more than adults ...
... drink more water; that is, they are more exposed. People may also be more vulnerable because of genetic factors, pre-existing health conditions, age, diet, and a host of other factors. Infants and children are more highly exposed than adults because for their body weight, they drink more than adults ...
Methyl tert-butyl ether (MTBE) and its Effects on
... • In 1995 the city of Santa Monica detected MTBE concentrations that peaked at 610μg/L in their toxicity of MTBE. Subacute exposure of MTBE studies have also levels measured in residents of US regions that had health demonstrated how MTBE has a significant adverse effect on the complaints following ...
... • In 1995 the city of Santa Monica detected MTBE concentrations that peaked at 610μg/L in their toxicity of MTBE. Subacute exposure of MTBE studies have also levels measured in residents of US regions that had health demonstrated how MTBE has a significant adverse effect on the complaints following ...
Lindane, Hexachlorocyclohexane (Technical Report on Carcinogens, Thirteenth Edition
... Hexachlorocyclohexane isomers have been detected in human fatty tissue, blood, and breast milk. The National Human Adipose Tissue Survey (NHATS), conducted in 1982, found β-hexachlorocyclohexane in 87% of composite post-mortem samples of fatty tissue. According to NHATS data, the mean concentration ...
... Hexachlorocyclohexane isomers have been detected in human fatty tissue, blood, and breast milk. The National Human Adipose Tissue Survey (NHATS), conducted in 1982, found β-hexachlorocyclohexane in 87% of composite post-mortem samples of fatty tissue. According to NHATS data, the mean concentration ...
Comparison of Toxicity for Methyl Iodide and Methyl Bromide
... carcinogenicity to humans and limited evidence for carcinogenicity to animals; the overall evaluation of carcinogenicity to humans was "not classifiable" (group ...
... carcinogenicity to humans and limited evidence for carcinogenicity to animals; the overall evaluation of carcinogenicity to humans was "not classifiable" (group ...
full public report daran sl143
... occurs during sewage treatment, would be 12 ppm. In view of the polymer's dispersible properties, dilution in receiving waters should rapidly reduce this concentration to sub ppm levels, and significant accumulation of residues near the point of discharge is not expected. The total annual discharge ...
... occurs during sewage treatment, would be 12 ppm. In view of the polymer's dispersible properties, dilution in receiving waters should rapidly reduce this concentration to sub ppm levels, and significant accumulation of residues near the point of discharge is not expected. The total annual discharge ...
Chloroform - Santa Cruz Biotechnology
... ■ There is ample evidence that this material can be regarded as being able to cause cancer in humans based on experiments and other information. There is some evidence that human exposure to the material may result in developmental toxicity. This evidence is based on animal studies where effects hav ...
... ■ There is ample evidence that this material can be regarded as being able to cause cancer in humans based on experiments and other information. There is some evidence that human exposure to the material may result in developmental toxicity. This evidence is based on animal studies where effects hav ...
TOXICOLOGY I :
... These adverse effects may occur in many forms, ranging from immediate death to subtle changes not realized until months or years later. They may occur at various levels within the body, such as an organ, a type of cell, or a specific biochemical. Knowledge of how toxic agents damage the body has pro ...
... These adverse effects may occur in many forms, ranging from immediate death to subtle changes not realized until months or years later. They may occur at various levels within the body, such as an organ, a type of cell, or a specific biochemical. Knowledge of how toxic agents damage the body has pro ...
Chlorine Toxicity - InspectAPedia.com
... How can chlorine affect children? Short-term exposures (minutes) to high concentrations of chlorine affect children in the same manner they affect adults, but children may be more sensitive. We do not know what the effects could be in children following longer-term, low-level exposure to chlorine ga ...
... How can chlorine affect children? Short-term exposures (minutes) to high concentrations of chlorine affect children in the same manner they affect adults, but children may be more sensitive. We do not know what the effects could be in children following longer-term, low-level exposure to chlorine ga ...
Layered structure of UASB granules gives microbial populations
... suspended sludge is slowly flocculated and granulated. Special conditions are necessary to promote the aggregation of microbial populations. This is caused by the extracellular matrix produced by acidogens, methanogens and H2 -consuming microorganisms. Granular sludge is generally seen in two or thr ...
... suspended sludge is slowly flocculated and granulated. Special conditions are necessary to promote the aggregation of microbial populations. This is caused by the extracellular matrix produced by acidogens, methanogens and H2 -consuming microorganisms. Granular sludge is generally seen in two or thr ...
Environmental Protection Agency (EPA) has deemed PBDEs a concern for children’s health
... As part of EPA's efforts to enhance the existing chemicals program under the Toxic Substances Control Act (TSCA)1, the Agency identified an initial list of widely recognized chemicals, including polybrominated diphenyl ethers (PBDEs), for action plan development based on their presence in humans and ...
... As part of EPA's efforts to enhance the existing chemicals program under the Toxic Substances Control Act (TSCA)1, the Agency identified an initial list of widely recognized chemicals, including polybrominated diphenyl ethers (PBDEs), for action plan development based on their presence in humans and ...
Pdf Format - Journal of Chemical and Pharmaceutical Sciences
... The highest levels of airborne formaldehyde have been detected in indoor air, where it is released from various consumer products such as building material and home furnishings. One survey reported formaldehyde levels ranging from 0.10 to 3.68 parts per million (ppm) in homes. Higher levels of ...
... The highest levels of airborne formaldehyde have been detected in indoor air, where it is released from various consumer products such as building material and home furnishings. One survey reported formaldehyde levels ranging from 0.10 to 3.68 parts per million (ppm) in homes. Higher levels of ...
Contaminant Release Incidents and Short
... Basic information about these standards and guidelines is presented in Table II; air concentration guides developed by selected states, including California, were also reviewed, as were guidelines for water [1-10]. From this review, it was found that health-based standards and guidelines are not ava ...
... Basic information about these standards and guidelines is presented in Table II; air concentration guides developed by selected states, including California, were also reviewed, as were guidelines for water [1-10]. From this review, it was found that health-based standards and guidelines are not ava ...
In situ thermal remediation of DNAPL and LNAPL using electrical
... Pressures. Consequently, the VOC/water mixture will boil when the vapor pressure of the VOC plus the vapor pressure of water is equal to the ambient pressure. Once subsurface heating starts, the boiling points of various VOC/water mixtures are reached in the following order: separate-phase NAPL in c ...
... Pressures. Consequently, the VOC/water mixture will boil when the vapor pressure of the VOC plus the vapor pressure of water is equal to the ambient pressure. Once subsurface heating starts, the boiling points of various VOC/water mixtures are reached in the following order: separate-phase NAPL in c ...
Introduction to Toxicology
... therapy; on a subsequent test she was identified as positive, and the drug was stopped. The pregnancy ended up as a miscarriage (Uhl et al., 2006). Thus, a clear understanding of mechanism of action led to the development of strict prescribing guidelines and patient monitoring, thereby allowing a p ...
... therapy; on a subsequent test she was identified as positive, and the drug was stopped. The pregnancy ended up as a miscarriage (Uhl et al., 2006). Thus, a clear understanding of mechanism of action led to the development of strict prescribing guidelines and patient monitoring, thereby allowing a p ...
Benzene
... exposure limit. ACGIH TLV--American Conference of Governmental and Industrial Hygienists' threshold limit value expressed as a time-weighted average; the concentration of a substance to which most workers can be exposed without adverse effects. AIHA ERPG--American Industrial Hygiene Association's em ...
... exposure limit. ACGIH TLV--American Conference of Governmental and Industrial Hygienists' threshold limit value expressed as a time-weighted average; the concentration of a substance to which most workers can be exposed without adverse effects. AIHA ERPG--American Industrial Hygiene Association's em ...
Complete publication
... (Bel53). Hepatic dysfunctioning has been reported after occupational exposure to Halowax (ACG91). In an inhalation study in rats liver effects were observed after exposure to 1 mg/m3 tetrachloronaphtahalene during 6 weeks (Dri37). The activity of several enzymes was increased in liver and kidneys o ...
... (Bel53). Hepatic dysfunctioning has been reported after occupational exposure to Halowax (ACG91). In an inhalation study in rats liver effects were observed after exposure to 1 mg/m3 tetrachloronaphtahalene during 6 weeks (Dri37). The activity of several enzymes was increased in liver and kidneys o ...
Monochlorobenzene
... Quantitative data on skin penetration are not available. The critical systemic effects on liver and kidneys as well as the haematological effects are considered to result from epoxide formation. At similar low exposure concentrations as they occur under workplace conditions, internal exposure to the ...
... Quantitative data on skin penetration are not available. The critical systemic effects on liver and kidneys as well as the haematological effects are considered to result from epoxide formation. At similar low exposure concentrations as they occur under workplace conditions, internal exposure to the ...
TOXICOLOGY
... • Antidote: nitrite, thiosulfate • Asbestos: exposure is by inhalation of the fibers. • Abestosis, mesothelioma and lung cancer are associated with its exposure. • Symptom: pain in the vicinity of the lesion, dyspnea and cough. • Silica: occupational, seen in mine workers, construction sites and sto ...
... • Antidote: nitrite, thiosulfate • Asbestos: exposure is by inhalation of the fibers. • Abestosis, mesothelioma and lung cancer are associated with its exposure. • Symptom: pain in the vicinity of the lesion, dyspnea and cough. • Silica: occupational, seen in mine workers, construction sites and sto ...
Six Common Errors Relating to Environmental Pollution
... Environmental exposure to TCE, perchloroethylene (PCE), ethylene dibromide (EDB), and other pollutants is thousands of times lower than the exposure to these same agents in the work place. If one expects to find some effect of PCE, or TCE or ethylene dibromide, the work place is where to look. The s ...
... Environmental exposure to TCE, perchloroethylene (PCE), ethylene dibromide (EDB), and other pollutants is thousands of times lower than the exposure to these same agents in the work place. If one expects to find some effect of PCE, or TCE or ethylene dibromide, the work place is where to look. The s ...
Trichloroethylene
The chemical compound trichloroethylene (C2HCl3) is a halocarbon commonly used as an industrial solvent. It is a clear non-flammable liquid with a sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, which is commonly known as chlorothene.The IUPAC name is trichloroethene. Industrial abbreviations include TCE, trichlor, Trike, Tricky and tri. It has been sold under a variety of trade names. Under the trade names Trimar and Trilene, trichloroethylene was used as a volatile anesthetic and as an inhaled obstetrical analgesic in millions of patients.