A fair use statement regarding the full text of the request

Your requested [Ambient CFCs and HCFC-22 observed concurrently at 84 sites in the Pearl River Delta region during the 2008-2009 grid studies] is currently limited to Guangzhou Institute of Geochemistry，Chinese Academy of Sciences internal sharing.

To solicit author authorization, you need to provide the following information: name, organization, personal e-mail, reason for request. The information you provide will be reviewed and you are committed to the truth of the information provided. The personal information you provide will be protected according to law.