['24', '25', ' ', '11382', 'Bachelor', 'of', 'Science', 'degrees', 'in', 'both', 'chemistry', 'and', 'applied', 'mathematics', 'and', 'a', 'Ph.D.', 'in', 'analytical', 'chemistry.', 'Since', '1985,', 'I', 'have', 'been', 'employed', 'by', 'R.J.', 'Reynolds', 'Tobacco', 'Company', 'in', 'the', 'Research', 'and', 'Development', 'Department.', 'For', 'the', 'past', 'nine', 'years,', 'my', 'research', 'has', 'been', 'almost', 'exclusively', 'focused', 'on', 'studying', 'environmental', 'tobacco', 'smoke', 'by', 'developing', 'and', 'applying', 'methods', 'for', 'assessing', 'ETS', 'exposure.', 'My', '.testimony', 'will', 'address', 'the', 'treatment', 'of', 'exposure', 'to', 'ETS', 'in', 'the', 'Notice', 'of', 'Proposed', 'Rulemaking', 'and', 'comments', 'made', 'by', 'OSHA', 'consultants.', 'In', 'slide', '1,', 'I', 'pose', 'five', 'questions.', 'They', 'are:', '(1)', 'How', 'should', 'we', 'measure', 'exposure', 'to', 'ETS?', '(2)', 'What', 'is', 'the', 'correct', 'definition', 'of', 'exposure?', '(3)', 'How', 'much', 'ETS', 'is', 'actually', 'in', 'the', 'workplace?', '(4)', 'How', 'does', 'ETS', 'exposure', 'compare', 'for', 'living', 'with', 'smokers', 'and', 'working', 'with', 'smokers?', '(5)', 'How', 'many', 'workers', 'are', 'actually', 'exposed', 'in', 'their', 'workplace?', 'Significant', 'new', 'data', 'relevant', 'to', 'each', 'of', 'these', 'questions', 'and,', 'more', 'specifically,', 'to', 'OSHA’s', 'assertions', 'are', 'also', 'summarized', 'and', 'introduced', 'at', 'the', 'appropriate', 'places.', 'Before', 'OSHA', 'can', 'regulate', 'any', 'workplace', 'exposure,', 'including', 'ETS,', 'it', 'must', 'demonstrate', 'with', 'substantial', 'evidence', 'that', 'a', 'significant', 'risk', 'of', 'material', 'impairment', 'to', 'health', 'is', 'BAYLEY', 'REPORTING,', 'INC.', '(202)', '234-7787', '(800)', '368-8993', 'wr', 'he', '~', 'Dp', 'an', 'NI', '~J', 'es', 'ie}', ' ']