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1 Introduction
Pages 1-3

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From page 1...
... The act states that among its purposes- is ato protect and enhance the quality of the nation's air resources so as to promote the public health and welfare and the productive capacity of its populati~.a The stimulus for establishing a sulfur dioxide standard was asignificant body of evidence indicating that ambient sulfur dioxide was associated with adverse health effects at the high concentrations measured during recognized air pollution diasters and with less severe increase in morbidity and mortality at lower concentrations. Much additional information has been oh tained since the original air quality criteria -docu~nent for sulfur oxides was publish" in early 1969 {U$DHEW-.
From page 2...
... It would theref ore be inappropriate to use the failure to observe a human response to sulfur dioxide during controlled exposure as a reason to allow an increase in the emission of sulfur dioxide. The literature concerning the health effects of sulfur oxides has recently been reviewed by scientific panels in the United states and elsewhere {=S 1974, Rall 1974, Holland 1972,~ NATO 1972~.
From page 3...
... I: , .i As LITERATURE CITED d W (1972) Air Pollution andi Retspira tory Disease.


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