['24', '25', ' ', '11406', 'presumably', 'most', 'subjects', 'would', 'have', 'been', 'away', 'from', 'work', 'for', 'only', 'one', 'to', 'two', 'hours', 'before', 'providing', 'the', 'urine', 'sample.', 'Assuming', 'a', 'simple', 'model', 'of', 'first-order', 'decay', 'with', 'a', 'cotinine', 'half-life', 'of', '17', 'hours', 'shows', 'that', 'cotinine', 'concentrations', 'would', 'decrease', 'less', 'than', '8', 'percent', 'after', 'two', 'hours', 'away', 'from', 'the', 'source', 'of', 'ETS', 'exposure.', 'Moreover,', 'any', 'decrease', 'in', 'cotinine', 'concentrations', 'incurred', 'by', 'coming', 'to', 'the', 'clinic', 'is', 'equally', 'applicable', 'to', 'any', 'source', 'of', 'ETS', 'exposure,', 'whether', 'it', 'is', 'at', 'home,', 'at', 'work', 'or', 'in', 'public', 'places.', 'Slide', '27', 'contrasts', 'two', 'very', 'different', 'views', 'of', 'what', 'this', 'study', 'actually', 'shows.', 'The', 'NPR', 'states', 'that', 'the', 'data', 'of', 'Cummings', 'et', 'al', '"present', 'results', 'to', 'show', 'significant', 'workplace', 'exposures', 'to', 'ETS."', 'In', 'fact,', 'Cummings’', 're-analysis', 'of', 'the', 'cotinine', 'data', 'shows', 'one', 'thing', 'quite', 'clearly.', 'That', 'is,', 'and', 'this', 'is', 'very', 'important,', 'essentially', 'there', 'is', 'no', 'discernable', 'effect', 'of', 'workplace', 'exposure.', 'As', 'additional', 'evidence,', 'I', 'would', 'like', 'to', 'quote', 'from', 'the', 'second', 'study', 'cited', 'in', 'the', 'NPR,', 'that', 'of', 'Emmons', 'et', 'al.', 'This', 'passage', 'on', 'slide', '28,', 'however,', 'was', 'not', 'cited', 'in', 'the', 'NPR.', '"When', 'those', 'with', 'and', 'those', 'without', 'a', 'smoker', 'in', 'the', 'household', 'were', 'examined', 'separately,', 'we', 'found', 'that', 'subjects', 'who', 'lived', 'with', 'a', 'smoker', 'received', 'more', 'exposure', 'in', 'the', 'home', 'than', 'in', 'the', 'workplace."', 'BAYLEY', 'REPORTING,', 'INC.', '(202)', '234-7787', '(800)', '368-8993', '€LLe', '9PLTS']