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   _____     ___      _____     _____     _  _   
  / ___//   / _ \\   / ____||  |  ___||  | \| || 
  \___ \\  | / \ || / //---`'  | ||__    |  ' || 
  /    //  | \_/ || \ \\___    | ||__    | .  || 
 /____//    \___//   \_____||  |_____||  |_|\_|| 
`-----`     `---`     `----`   `-----`   `-` -`

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Text this: Seasonal variation, risk assessment and source estimation of PM 10 and PM10-bound PAHs in the ambient air of Chiang Mai and Lamphun, Thailand