books.google.co.uk - Discusses individual substances, mixtures of chemicals, or exposure circumstances associated with technological processes which are known to be human carcinogens or which may reasonably be anticipated to be human carcinogens. Also contains information relating to estimated exposures and exposure standards...http://books.google.co.uk/books/about/Eighth_Annual_Report_on_Carcinogens.html?id=uAP7svih6pEC&utm_source=gb-gplus-shareEighth Annual Report on Carcinogens