Kung-Don Ye

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Section 303(d) of the Clean Water Act requires states to assess the condition of their waters and to implement plans to improve the quality of waters identified as impaired. U.S. Environmental Protection Agency guidelines require a stream segment to be listed as impaired when greater than 10% of the measurements of water quality conditions exceed numeric(More)
How much the flight crew can contribute to the flight safety depends on if they can perform their duties properly. Flight crew needs adequate rest before they can carry on their next mission. If they perceive fatigues due to work both mentally and physically, not only that they may not be able to provide appropriate cabin services, but also their awareness(More)
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