![]() | Monitoring & Testing E-Zine May 2008 |
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| This Month´s Featured Articles, Papers & Reports |
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![]() | New US smog standards aim to protect public health The Environmental Protection Agency significantly strengthened its national ambient air quality standards (NAAQS) for ground-level ozone, the primary component of smog. These changes will improve both public health protection and the protection of sensitive trees and plants. Based on its review of the air quality criteria for ozone (O3) and related photochemical oxidants and national ambient air quality standards (NAAQS) for O3, EPA is making revisions to the primary and secondary NAAQS for O3 to ... | ||||
![]() | Easter Freeze of 2007: analysis by the National Climatic Data Center Unseasonably warm weather in March 2007 over the eastern half of the United States prompted early growth of many agricultural and horticultural crops, ranging from wheat in the Central Plains to fruit trees and pastures across the Southeast and parts of the Midwest. March monthly temperatures averaged between 2 and 6°F above normal in these areas, and this was the second warmest March on record for the entire US. Arctic cold followed in early April with over 1500 weather stations breaking ... | ||||
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