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Data Analysis <br />Methodology <br />In May 2008, SeeComm Group compiled an email list of 4,728 water constituents from lists <br />acquired by CWCB. SeeComm Group emailed the 2008 CWCB Attitude & Awareness <br />Survey along with an invitation to participate. After duplications and bad emails were <br />filtered 3,224 emails were sent. The initial survey was followed -up with two reminder <br />requests. A total of 336 people responded to some of the survey questions comprising a <br />10.4% overall response rate (336/3224), and 209 respondents completed the entire survey. <br />At the 95% confidence level, the maximum margin of error on all dichotomous questions is <br />6.6% - based on 209 completed surveys. The contact lists of Colorado and surrounding area <br />water constituents were provided by CWCB. Note: Totals may add to more or less than <br />100% due to rounding. Care should be taken when interpreting individual data sets with <br />small base sizes. <br />CWCB Awareness Study <br />July 2008 <br />Page 4 SEECOMMGROUP <br />