analytical study to be conducted and based on available information of; Current technical capabilities are to be utilized to predict the direct or secondary carcinogenicity or other toxicity in humans of substances which are added to, become a part of, or naturally occur in, food and which have been found to cause cancer in animals. Direct and indirect health benefits and risks to individuals from foods which contain carcinogenic or other toxic substances. Existing means of evaluating the risks to health from the carcinogenicity or other toxicity of such substances, the existing means of evaluating the health benefits of foods containing such substances, and the existing statutory authority for, and appropriateness of, weighing such risks against such benefits. Instances in which requirements to restrict or prohibit the use of such substances do not accord with the relationship between such risks and benefits. Relationship between existing Federal food regulatory policy and existing Federal regulatory policy applicable to carcinogenic and other toxic substances used as other than foods. (B) The Secretary shall arrange a study to be conducted and to determine to the extent feasible of; Chemical identity of any impurities contained in commercially used saccharin. Toxicity or potential toxicity of any such impurities, including the carcinogenicity or potential carcinogenicity in humans. Health benefits, if any, to humans resulting from the use of non-nutritive sweeteners in general and saccharin in particular. Entity to conduct study National Academy of Sciences is to conduct the studies whereby the actual expenses incurred by the Academy directly related to the non-nutritive sweeteners studies will be incurred by the Department of Health, Education, and Welfare. If the National Academy of Sciences declines the request to conduct any such study under such an arrangement, then the Secretary shall enter into a similar arrangement with another appropriate public or nonprofit private entity to conduct the non-nutritive sweeteners study. Reports to congressional committees Within twelve months of the date of the enactment of the Act a report is to be submitted to the Senate Committee on Human Resources and the House Committee on Interstate and Foreign Commerce; Results of the study conducted shall include supporting data and other materials provided by the entity which conducted the study. Any action proposed to be taken on the basis of the results of the study. Within fifteen months of the date of the enactment of the Act a report is to be submitted