[' ', '11532', 'the', 'same', 'characteristics', 'as', 'markers', 'for', 'other', 'substances,', 'such', 'as', 'CO2', 'or', 'TVOC.', 'Therefore,', 'one', 'must', 'conclude', 'that', 'the', 'same', 'techniques,', 'namely,', 'ventilation', 'and', 'filtration,', 'can', 'be', 'used', 'for', 'tobacco', 'smoke.', 'A', 'review', 'of', 'the', 'submitted', 'papers', 'and', 'a', 'critical', 'examination', 'of', 'the', 'research', 'available', 'to', 'OSHA', 'clearly.', 'demonstrates', 'that', 'adequate', 'ventilation,', 'coupled', 'with', 'separation', 'of', 'smokers', 'and', 'non-smokers', 'effectively', 'minimizes', 'environmental', 'tobacco', 'smoke', 'concentrations', 'in', 'large', 'offices,', 'small', 'offices', 'and', 'restaurants.', 'Effective', 'engineered', 'solutions', 'available', 'to', 'OSHA', 'may', 'be', 'much', 'less', 'costly', 'than', 'the', 'OSHA', 'prescribed', 'smoking', 'rooms', 'and', 'would', 'certainly', 'be', 'less', 'disruptive', 'to', 'American', 'workers', 'and', 'the', 'American', 'workplace.', 'We', 'have', 'observed', 'that', 'there', 'is', 'no', 'reason', 'to', 'single', 'out', 'environmental', 'tobacco', 'smoke', 'from', 'all', 'other', 'indoor', 'air', 'constituents.', 'Scientific', 'evidence', 'indicates', 'that', 'properly', 'ventilated', 'spaces', 'have', 'very', 'low', 'levels', 'of', 'indoor', 'air', 'contaminants.', 'My', 'third', 'and', 'final', 'summary', 'pcint', 'in', 'my', 'comments', 'today', 'is', 'that', 'OSHA‘s', 'proposed', 'rules', 'for', 'environmental', 'tobacco', 'smoke', 'are', 'costly', 'and', 'unnecessary.', 'Many', 'economic,', 'enforcement', 'and', 'logical', 'deficiencies', 'of', 'the', 'proposed', 'rule', 'would', 'be', 'eliminated', 'by', 'BAYLEY', 'REPORTING,', 'INC.', '(202)', '234-7787', '(800)', '368-8993', '868', 'GPLTS']