Titlebook: Arsenic; Exposure and Health Charles O. Abernathy,Rebecca L. Calderon,Willard R Book 1997 Springer Science+Business Media Dordrecht 1997 c

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反省

Estimating cancer risks from air arsenic exposure using data on copper smelter workers, estimated levels of air arsenic exposure (Pinto and Bennett, 1963). As late as the 1970s the question as to whether air arsenic caused lung cancer was still being debated. As now, there was no good animal evidence that arsenic is a carcinogen. Also, there were both positive and negative epidemiological studies.

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coltish

The geochemistry of arsenic,the sources and pathways contributing to human exposure. Arsenic is a metalloid element, within Group Vb of the Periodic Table, but is often incorrectly referred to as a metal. Arsenic is ubiquitous in the environment, usually being present in small amounts in all rock, soil, dust, water, air and bi

Mets552

抚慰

Determination of arsenic compounds in human urine by HPLC-ICP-MS, daily dose of total arsenic in the range of 10 to 50μg appears to be no threat to human health. However, in geographically limited regions Taiwan, India, Argentina, Chile) the concentrations of arsenic in drinking water and perhaps in food are elevated leading to excessive intake of arsenic and to

semiskilled

无畏

,Chronic arsenicism and cancer in Inner Mongolia — consequences of well-water arsenic levels greaterstablished as Huhhot in 1954. The Huhhot region lies in a triangular, segmented and sunken lake basin in Inner Mongolia, China, south of the Daqing (Great Green) Mountains and along the northern coast of the Yellow River (Figure 5.2). This region comprises approximately 4800km.. The subterranean wat

Ingest

Chronic arsenic poisoning in Ronpibool Nakhon Sri Thammarat, the Southern Province of Thailand,, the Institute of Skin Diseases, Ramathibodi and Siriraj Hospital had treated more than 100 cases of chronic arsenic poisoning from traditional drug ingestion. Very few cases were caused from work-related problems.