GAUSS; HANDLER, P/NATIONAL ACADEMY OF SCIENCES; HILL; HUME; MUSKIE, E; OCCAM; X/BROOKINGS INST; X/NATIONAL ACADEMY OF SCIENCES; X/FOOD AND DRUG ADMINISTRATION; X/ENVIRONMENTAL PROTECTION AGENCY; X/OSHA; X/US CENSUS BUREAU; X/NATL AIR SAMPLING NETWORK; X/US CONSUMER PRODUCT SAFETY COMMISSION