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Grams of tin and leadAn alloy is 7 parts tin and 3 parts lead. How many grams of each are in 40g of the alloy? Let x= the number of grams of tin in the 40g of the alloy. Next, we note that there are 8 total parts of the alloy, of which 7 are tin. Thus 7 is to 8 as x is to ___. How many grams of tin and lead are there and what is the ratio?
It is common that people are exposed to more than one hazardous substance at a time. The different substances may interact such that one substance may alter the toxicity of one or more of the chemicals present. Discuss the possible interactions th..
Name two analytical methods commonly used in Industrial Hygiene. Illustrate your answer with two typical examples What are the four significant physical parameters that you would use to assess the thermal comfort of employees working in a hot and..
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Discuss how transmission electron microscopy (TEM) can provide information complementary to that which can be obtained from standard X-ray or neutron diffraction methods, giving suitable examples.
Explain what is meant by the term Threshold Limit Values (TLVs). Describe briefly the different TLVs used by Industrial Hygienists. Outline the strengths and weaknesses of these occupational exposure limits and illustrate how they may best be u..
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