This European standard specifies a test method for the determination of emissions resulting from the use of combustible air fresheners into indoor air by means of chamber operation according to ISO 16000-9. This standard provides a measurement method for the determination of the following substances emitted directly from the burning process: ¾ð VOC ¾ð Benzene ¾ð Naphthalene ¾ð Formaldehyde ¾ð SO2 ¾ð NOx ¾ð CO ¾ð The measurement methods can allow the determination of other substances. This standard does not apply to non-combustible air fresheners.