LIBRARY OF CONGRESSE HE LIBRARY ESS S THE LIBRARY OF CONGRESS, THE LIBRARY OF CONGRESS с NO ་ LIBRARY OF CONGRESS TH THE SE CONGRESS OF CONGRESS RY OF CONGRESS CONGRESS LIBRARY ESS THE LIBRARY OF CONGRE LIBRARY OF CONGRES HE LIBRARY OF THE KERESS THE LIBRARY OF THE THE LIBRARY OF CONGRESS THE 2 LIBRARY OF CONGRESS, LIBRARY OF CONGRESS LIBRARY OF ES LIBRARY OF CONGR ST. ESS LIBRARY OF CONGRESS T OF CONGRE THE LIBRARY OF S THE LIBRARY R OF CONGRES GRESS THE OF CONGRESS THE LIBRARY OF CONGRESS OF CONGRESS TE 10 COMMITTEE ON ENERGY AND COMMERCE NINETY-NINTH CONGRESS SECOND SESSION NOVEMBER 18, 1986 Serial No. 99-180 Printed for the use of the Committee on Energy and Commerce 72-431 U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: 1987 For sale by the Superintendent of Documents, Congressional Sales Office |