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The levels of indoor phthalates or phthalate esters were assessed in several facilities.Indoor dust samples were collected from various childcare facilities (40 daycare centers,42 childcare centers,44 kindergartens and 42 indoor playgrounds) in summer (from July to September,2007) and winter (from January to February,2008) periods and analyzed using GC-MS.DEHP was detected in almost all samples (detection rate is 99%),DnBPand BBzP were also detected in most samples (detection rate is more than 80%).