California Air Resources Board

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1995 Integrated Monitoring Study (IMS95)

  Updated December 11, 2003  

The 1995 Integrated Monitoring Study (IMS95) was a preliminary field program designed to collect PM10 and PM2.5 data to more effectively plan the upcoming California Regional PM10/2.5 Air Quality Study (CRPAQS).  The IMS95 had three primary components: a two week fall sampling program in November 1995; a four week winter sampling program in December 1995 and early January 1996; and a two week fog sampling program in January 1996.  Data from the study can be obtained below.  

Detailed information about the study can be obtained from Karen Magliano at (916) 322-7137 or via email at

Please send questions or comments regarding the CCAQS site to: