Here is a little bit of news about Clean Air.  In the second article, I   
wonder if this study is the one that lead to using 2.5 micron Particulate   
Matter rather than 10 micron PM.

John Sharp
Merix Corp., Forest Grove, OR
503-992-4351   Telephone
503-359-1040   FAX
[log in to unmask]

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          OPPT NEWSBREAK           Monday, 7 April 1997
          Today's "Toxic News for the Net" brought to you by the OPPT
          Library
                       http://www.epa.gov/opptintr/oppt_nb.txt
            

                                        NEWS
             


          "O That Zone Again [The U.N. Report]."  Washington Times, 7   
April
          97, A14.
               The World Meteorological Organization reported that the
               ozone layer over the Arctic "is thinner than ever" but   
does
               not yet have a hole like that which appears over   
Antarctica
               every October.  The organization predicted that ozone loss   

               would peak between 2001 and 2005 if international   
agreements
               to reduce fluorocarbon compounds are maintained.
             

                      ENVIRONMENTAL REGULATIONS: CLEAN AIR ACT
             

          "Pollution Study Sparks Debate Over Secret Data [Science]."   
 Wall
          Street Journal, 7 April 97, B1, B7.
               A 1993 study published by Harvard University researchers
               found that microscopic particles polluting the air were
               causing thousands of deaths each year.  As the   
Environmental
               Protection Agency prepares to adopt new rules under the
               Clean Air Act that limit such particles, many industry
               groups and even the EPA are calling for public disclosure   
of
               the raw data used in that study. However, the scientists
               protest that requiring data to be available that   
identifies
               individuals will limit their ability to perform future
               epidemiological studies and lead to continuing   
controversies
               with industry groups adversely affected by the studies.
            

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