Re: project on mobile telephones help needed!!!
I don't think that you will find any plastic specification, as different companies uses different type of plastic in different models.
The only danger which is still need to address is radiation and in my view even if you are not a mobile phone user you are still exposed to this danger. It could be due to the booster Antenas.
There are many articals on this subject on WHO's site. www.who.org just search for Mobile Phone.