{"ob_id":40101,"uuid":"a7b8c82ff43d4c9aaa7ddf32f535ab37","title":"Indoor Air Study - Phase II: Volatile Organic Compounds (VOC) concentrations","abstract":"The effects of using a commercial diffuser indoors were evaluated using a study group of 60 homes in Ashford, UK. Air samples were taken over 3 day periods with the diffuser switched on and in a parallel set of control homes where it was off. At least four measurements were taken in each home using vacuum-release into 6 L silica-coated canisters and with >40 VOCs (Volatile Organic Compounds) quantified using a custom thermal desorber unit (TDU), Agilent 7890A gas chromatograph (GC) fitted with flame ionisation detectors (FID) and an Agilent 5977A quadrupole mass spectrometer (QMS). Occupants self-reported their use of other VOC-containing products. \r\n\r\nData collected was used to understand better how the use of a plug-in diffuser increases population exposure to indoor VOCs. \r\n\r\nPlease see https://doi.org/10.1039/d2em00444e for publication.","keywords":"NERC, indoor, VOC","publicationState":"published","dataPublishedTime":"2023-08-03T11:54:54","doiPublishedTime":null,"updateFrequency":"","status":"completed","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/40165/?format=json","dataPath":"/badc/deposited2023/indoor_air_study_phaseII","oldDataPath":[],"storageLocation":"internal","storageStatus":"online","volume":169683,"numberOfFiles":2,"fileFormat":"Data are BADC-CSV 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