mining

..Excessive exposure to manganese (Mn), an essential trace element, has been shown to be neurotoxic, especially when inhaled. Few studies have examined potential effects of Mn on cognitive functions of environmentally exposed children...

..To describe causes of death and respiratory infections in HIV-infected miners in the pre-antiretroviral era, by duration of HIV infection...

..Asbestos-contaminated Libby vermiculite was used in loose-fill attic insulation that remains in millions of homes in the United States, Canada, and other countries...

..Two of the sites were within mining and smeltery districts, and the third was devoid of large-scale metal processing industries...

..A reduction of the external Hg burden on Mt. Diwata is urgently recommended. An attempt to treat the intoxicated participants with the chelating agent dimercaptopropanesulfonic acid (DMPS) is planned...

..for an epidemiologic study of mortality, including lung cancer, among diesel-exposed miners at eight non-metal mining facilities [the Diesel Exhaust in Miners Study (DEMS)]...

..The exposure matrix of the historical Chinese total dust concentrations was multiplied by these conversion factors to obtain an exposure matrix of historical respirable crystalline silica concentrations...

Microbial diversity was characterized in mining-impacted soils collected from two abandoned uranium mine sites, the Edgemont and the North Cave Hills, South Dakota, using a high-density 16S microarray (PhyloChip) and clone libraries...

..quot; Specifically, community-level conflict appears to interfere with previously established social support patterns. The observed phenomenon can be understood as the deterioration of a previously supportive community...

..We have reported elevated levels of ANA and ANoA in human populations exposed to mercury in artisanal gold mining, though other confounding variables that may also modulate ANA/ANoA levels were not well controlled...

..Thus, the effectiveness of the BCR procedure has proved to be a useful tool for predicting short- and long-term mobility of trace elements, even in complex environmental scenarios...

A gold mining company in the Free State Province, South Africa...

..historical components of DE from side-by-side area measurements taken in underground operations of seven non-metal mining facilities...

..To investigate the risk of silicosis among tin miners and to investigate the relation between silicosis and cumulative exposure to dust (Chinese total dust and respirable crystalline silica dust)...

..The objective was to calculate the effect of HIV on the rate and severity of work-related injuries by duration of infection...

..The present study aimed to estimate relationships between measured multi-metal exposures and the presence of behavioural problems for the school-aged children in the polluted area...

Plankton communities in acidic mining lakes (pH 2.5-3.3) are species-poor because they face extreme environmental conditions, e.g. 150mg l(-1) Fe2+ +Fe3+...

..This article presents the various follow-up activities that have been conducted to date by ATSDR and partnering state health departments...

..The presence of this and other closely related Thermoplasmales suggests that these acidophiles are important contributors to acid mine drainage and may substantially impact iron and sulfur cycles...

..The development of higher-temperature processes will extend the variety of minerals that can be commercially processed...

In widespread informal gold mining in the Amazon Basin, mercury is used to capture the gold particles as amalgam. Releases of mercury to the environment have resulted in the contamination of freshwater fish with methylmercury...

To investigate HIV/sexually transmitted infections (STIs) among female sex workers (FSWs) and clients in a mining region of China.

..Changes in conductivity were not always coincident with changes in ORP and pH, indicating that conductivity may be a more sensitive tool for locating and monitoring specific zones of SRB activity...

b>Mining waste rock dumps (WRDs) are potential sources of pollution, which after rainfall produce leachate discharges, loaded with acid mining drainage (AMD)...

..86, F = 62.38 (p-level < 10(-13)) and R2 = 0.90. F = 62.30 (p-level < 10(-13))) identified poultry manure and two other carbon sources as the critical variables for sulfate-reduction rate...

..The health impacts on workers with silica mixed dust exposure in tin mines and dose-response relationships between cumulative dust exposure and the mortality from lung cancer are investigated...

Arsenic sources to the biosphere associated with gold mining include waste soil and rocks, residual water from ore concentrations, roasting of some types of gold-containing ores to remove sulfur and sulfur oxides, and bacterially enhanced ..

..To evaluate the potential unstability of the dump, the leaching process, ore surface erosion, particle size, chemical elements and mechanical properties of the waste rock in DCM were investigated through experiment in this paper...

..The increasing responses of several biomarkers at reference sites may suggest a progressive pollution of key Doñana ecosystems...

..A specialized clinic was established in a mining hospital in the Free State, South Africa, with the primary aim of delivering preventive therapy such as isoniazid ..

..Some previous studies have observed an increased mortality regarding ischemic heart disease (IHD) among miners and industrial sand workers. The purpose was to study the occurrence of IHD mortality among silica-exposed workers...

A field survey of herbaceous growing on lead-zinc mining area in Yunnan, China were conducted to identify species accumulating exceptionally large concentrations of Pb, Zn and Cd in shoots...

We studied the toxicity of sediments downstream of lead-zinc mining areas in southeast Missouri, using chronic sediment toxicity tests with the amphipod, Hyalella azteca, and pore-water toxicity tests with the daphnid, Ceriodaphnia dubia...

..To determine the HIV prevalence rate at Anglo Platinum, a large, multinational organisation operating in South Africa (Gauteng, Limpopo and North-West), and to assess the merits, methodology and outcomes of the survey...

The concentration of metals in microbial habitats influenced by mining operations can reach enormous values...

Trace elements may present an environmental hazard in the vicinity of mining and smelting activities...

..3+/-1.2) and 232Th (5.3+/-1.7), while the smallest R/S ratio for 238U was observed in clover (2.8+/-0.9)...

Mine tailings are one of the main environmental problems in post-mining landscapes and their removal is often complicated due to their high heavy metal content and dimensions...

..assess the contamination status of 22 trace elements, especially As in water and residents in Tarkwa, a historic mining town in Ghana...

..It was closely related to an unnamed Thiomonas strain (NO115) isolated from a Norwegian mining site, though sequence identities between strain b6(T) and characterized Thiomonas species were less than 95%...

..Surface waters are diverted around surface mining operations...

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Studies of birds from Doñana (southwestern Spain) after the Aznalcóllar mining accident (April 1998) have reported high levels of genetic damage when compared to conspecifics from reference areas...

..69 mg kg(-1)) and the strong correlation between TS and TA) suggests a strong effect of previous mining activities...

..We find that since 2003, recent mining deforestation in Madre de Dios, Peru is increasing nonlinearly alongside a constant annual rate of increase in ..

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..5 km downstream of the discharge point was highly toxic to the test organism. At 25 km downstream of the discharge point where stream water pH was as high as 5.75, marked toxic responses of the test organism were still observed...

..Air monitoring surveys at seven of the eight study mining facilities were conducted between 1998 and 2001 and provided reference personal REC exposure levels and ..

..As a consequence of the heavy metal migration, an accumulation zone has formed up to 30 cm into the underlying soil at the time of investigation. In the future, there may be further penetration of heavy metals to greater depths...

..This study presents an overview of functional gene diversity and the structure of AMD microbial communities and also provides insights into our understanding of metabolic potential in AMD ecosystems...

..was described in the municipality of Gentio do Ouro, in the state of Bahia, Brazil, and in a small artisan quarry-mining community approximately 13 km distant in a remote area of the same municipality...

..This article is a report of a mixed method to examine the determinants of reproductive health and quality of life among Indian women...

..These values are commonly found in the environment. In general, there is reasonable agreement between the results measured with different detectors and measuring methods...

..To assess HIV/sexually transmitted infection (STI) prevalence and associated risk factors among miners in Yunnan, China...

The small-scale gold mining activities using mercury began in the late 1980s in Sibutad, Western Mindanao. It is located very near the Murcielagos Bay with tailing ponds directly discharging into bodies of water...

..ecological design to study the association between malaria incidence rates, the reported annual production of gold mining extraction and monetary investments for the control of malaria from 1985 to 1996 in Mato Grosso, Brazil...

..A group of educators provided support to miners, training 4200 people in 141 mining locations. The effectiveness of this training was evaluated based on 20 performance indicators...

..Further, the relation of mining waste to blood lead concentrations (BPbs) of rural children is controversial...

..An iron-rich creek soil of a former uranium-mining district (Ronneburg, Germany) showed high porewater concentrations of heavy metals and radionuclides...

..to stream biota, groundwater, and humans in the Río Artiguas (Sucio) river basin, Nicaragua, where local gold mining occurs...

..Therefore, long-term occupational exposure to Hg0 could be one of the risk factors for increased lipid peroxidation and increased mortality due to ischaemic heart disease (ICH) found among the mercury miners of the Idrija Mine...

Despite significant reductions, the number of injuries and fatalities in mining remains high. A persistent area of concern continues to be equipment-related incidents.

..Radon is a well-established lung carcinogen that has been extensively studied. Very high concentrations can occur in some underground mines. Concentrations also tend to build up in homes...

..These results are discussed and compared with others sites of the South Pacific. For monitoring perspectives, some indicators related to expected disturbances are proposed...

The extent of mercury contamination in Surinamese food fishes due to small-scale gold mining was investigated by determination of the total mercury concentration in 318 freshwater fishes, 109 estuarine fishes, and 110 fishes from the ..

..Additionally, we asked whether pre-browsed plants differed in nutrient content between or within species in the separate systems...

..We studied the risk of motor alterations in people living in a mining district in Mexico...

..response relationship between mercury exposure and likelihood of prevalent malaria infection, but there was a possible reduction in acquisition of immunity that may be associated with conditions in gold mining, including mercury exposure.

Ninty-five inhabitants of the gold mining area of Mt. Diwata (on Mindanao, Philippines), who were diagnosed to be mercury (Hg) intoxicated, were orally treated with 2 x 200 mg of the chelating agent DMPS (Dimaval, Co...

..Infection with human immunodeficiency virus (HIV) increases the risk of tuberculosis (TB), but no study has assessed how this risk changes with time since HIV seroconversion...

Historic placer gold mining in the Clear Creek tributary to the Sacramento River (Redding, CA) has highly impacted the hydrology and ecology of an important salmonid spawning stream...

..Although the general population is primarily exposed to Me-Hg through contaminated fish and marine mammals, in Hg mining areas a long history of mining activities can produce serious Hg pollution to the local environment In a study of ..

..However, follow-up ended in 1987 and white-collar workers and the employees of subcontractors were not studied...

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..The quality of asbestos produced in India is very poor. The mining and milling and other related processes expose the people to cancer and related diseases...

Gold mining can release contaminants, including mercury, into the environment, and may increase exposure to naturally occurring elements such as arsenic...

..calcine (retorted ore), and leachates obtained from water leaching experiments of calcine from two large Hg mining districts in the U.S...

..The area is heavily contaminated with heavy metals and dusts from large tailings piles as result of centuries of mining operations. The aim of this study is to investigate potential health threats associated with site contamination...

To reduce the prevalence of curable sexually transmitted diseases (STDs) in a South African mining community through provision of STD treatment services, including periodic presumptive treatment and prevention education to a core group of ..

..This recently discovered organism is the most rapidly growing chemolithoautotrophic arsenite oxidizer known...

..to the respective non-immobilised sensors was assessed on 10 natural soil and sediment samples from Aznalcollar mining area (Spain). On the average 0.2% of the total Hg and 0...

..The concentration reduction factor (CRF) of As in both soil and groundwater follows the order: Songchun>Dongjung>Dongil>Myoungbong>Duckum mine...

..b>Mining started in the late 1870s, and reports of disability and death followed in Britain (1898), in France (1906), and ..

..To obtain robust estimates of survival with HIV in individuals with known dates of seroconversion in Africa in the pre-antiretroviral era...

A centuries long history of mining and mineral processing has resulted in elevated Cd, Pb and Zn soil concentrations in the vicinity of the Silvermines abandoned mine site (AMS), Co. Tipperary, Ireland...

b>Mining of mercury deposits located in the California Coast Range has resulted in the release of mercury to the local environment and water supplies...

..edaphic factors were investigated, including heavy metal concentrations, in three mine tailings from a semiarid mining zone in Southeast Spain...

Determining the chemical speciation of mercury in contaminated mining and industrial environments is essential for predicting its solubility, transport behavior, and potential bioavailability as well as for designing effective remediation ..

..The results of XRD and SEM in the mine tailings showed that main arsenic-containing minerals were pyrite (FeS2) and arsenopyrite (FeAsS) which would be the source of arsenic contamination in the study area...

This study evaluated mortality among workers at a talc mining and milling facility.

From World War II until 1971, the government was the sole purchaser of uranium ore in the United States. Uranium mining occurred mostly in the southwestern United States and drew many Native Americans and others into work in the mines and ..

..analysis of public health (epidemiological) research conducted in the Navajo lands since the inception of uranium mining from the 1950s untill the end of the 20th century, we analyze the successes and failures in the research ..

Nearly 20years of industrial scale metal mining operations in Tibet have caused an impact on the region's surface water quality. However, no information with respect to the pollution has been provided to the public...

Natural uranium exposure derives from the mining, milling, and processing of uranium ore, as well as from ingestion of groundwater that is naturally contaminated with uranium...

..The burden of silicosis, pulmonary tuberculosis and COPD is described in 624 South African gold miners 18 months after cessation of work...

We tested the hypothesis that runoff of uranium-bearing particles from mining waste disposal areas was a significant mechanism for redistribution of uranium in the northeastern part of the Upper Puerco River watershed (New Mexico)...

..These data indicate substantial downstream transport of Hg from the Almadén mine and significant conversion to methyl-Hg in the surface environment...

..Many policymakers have relied upon this model in forming public health policy as well as deciding litigation issues. Chrysotile asbestos meets Hill's nine proposed criteria, establishing chrysotile asbestos as a cause of mesothelioma...

..A. bolidensis reduced 0.06-0.20 mM day(-1) As(V). As(V) reduction displays a direct correlation between the initial As(V) concentration, growth rate, and biomass yield...

..In addition, these microcrustaceans are absent in polluted bottom sediments or areas with high hydrodynamic gradients, whereas they decrease in both density and diversity if the subaerial exposure increases...

..Unfortunately, many if not most are not active organophosphate hydrolases. We have developed a data mining method for identifying active OPH's...

The Navajo Nation is home to the largest Native American tribe in the U.S. In the mid 1940's active uranium (U) mining began in the Four Corners region of the southwest U.S. where the Navajo Nation is located...

..to use high resolution cryo transmission-electron-microscopy (cryo-TEM), computer reconstruction and structure mining to solve the structure and molecular mechanism(s) of BmrA, a multidrug bacterial transporter belonging to the ABC ..

Increased productivity and high out-of-seam dilution (15% to 20%) mining in US underground coal mines continue to generate dust control problems and the need to develop and implement alternate more efficient technologies for dust ..

Increased productivity and high out-of-seam dilution (15% to 20%) mining in US underground coal mines continue to generate dust control problems and the need to develop and implement alternate more efficient technologies for dust ..

..Also of importance is that this work will significantly increase the sequence-function information obtained from the structural genomics initiative with very little incremental increase over the current investment. ..

..g., silica associated with mining & construction industries, respirable dust in coal mines, allergens and endotoxin associated with agriculture ..

..This will include global protein modification analysis using data mining techniques, and a chemical approach to global phosphorylation specifically...

..molecule LF inhibitors through a combination of screening of chemical libraries and 3D sub-structure database mining. These inhibitors have been shown to specifically bind to LF with low (M potencies in enzymatic assays and to ..

..In states like Montana, where mining has resulted in regionally high levels of lead in the environment, there are focal regions where lead levels in ..

..effectiveness in mobilizing a Native American community to respond to heavy metal contamination from lead and zinc mining. Ottawa County Oklahoma, the site of the proposed research, was heavily mined for zinc and lead in the first half ..

..Having an understanding of the critical elements of the Chlamydia TTS system should lead to the development of strategies to subvert the TTS system with the ultimate goal of attenuating or preventing infections with this pathogen. ..

..with other related systems;(ii) compliant with the emerging requirements for data collection, access, mining, management and sharing;and (iii) a computing platform useful for developing novel hypotheses and studies aimed at ..

..Having an understanding of the critical elements of the Chlamydia TTS system should lead to the development of strategies to subvert the TTS system with the ultimate goal of attenuating or preventing infections with this pathogen. ..

..Our goal is to develop the community-based Vaccine Ontology (VO) and apply it to efficient vaccine literature mining and analysis of protective immune mechanisms...

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..Alsoof importance is that this workwill significantly increase the sequence-function informationobtained from the structural genomics initiative with very little incremental increase over the current investment. ..

..worn by aircraft air and ground crews, military personnel, and emergency responders, and persons in industry, mining and construction working in noisy environments, have long complained that HPDs interfere with their ability to ..

..worn by aircraft air and ground crews, military personnel, and emergency responders, and persons in industry, mining and construction working in noisy environments, have long complained that HPDs interfere with their ability to ..

..First, our current data-mining approaches are designed to generate Bayesian networks that model a structure-function relationship; that is, these ..

..First, our current data-mining approaches are designed to generate Bayesian networks that model a structure-function relationship;that is, these ..

..The objectives of this project are to develop and validate a data mining based, noninvasive ICP assessment method...

..Data mining techniques are increasingly used to discover predictive in vitro system profiles for a cancer or toxicological ..

Inhalation of silica in mining, sandblasting and quarrying occupations results in serious, potentially life threatening, pulmonary inflammatory and fibrotic pathologies including acute and chronic (nodular pulmonary fibrosis) silicosis...

..The mining industry presents particularly challenging safety and health needs...