Nick Oza/The Arizona RepublicA dust storm passes through Ahwatukee and the south Phoenix area.
Read more: http://www.azcentral.com/news/articles/2011/09/25/20110925phoenix-bad-air-dust-storms.html#ixzz1YxvL7W88
"Maricopa County violated federal dust-pollution standards a record number of times this year, but local officials hope to convince federal regulators that this year's particularly dry monsoon weather and a series of summer dust storms are to blame.
By most accounts, it will require a "herculean effort" to gather necessary documentation to prove to the federal government that the violations were caused by natural events, not man-made ones.
The U.S. Environmental Protection Agency relies on documentation submitted by states to determine whether to dismiss violations of dust-pollution standards as "exceptional events" - meaning that while proper controls are in place, violations still occur because of natural events beyond a state's control."
'via Blog this'
By most accounts, it will require a "herculean effort" to gather necessary documentation to prove to the federal government that the violations were caused by natural events, not man-made ones.
The U.S. Environmental Protection Agency relies on documentation submitted by states to determine whether to dismiss violations of dust-pollution standards as "exceptional events" - meaning that while proper controls are in place, violations still occur because of natural events beyond a state's control."
'via Blog this'
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