54 STAT.] 76TH CONG. , 3D SESS.-CH. 780-OCT. 9, 1940 1039 DEPARTMENT OF COMMERCE ADMINISTRATOR OF CIVIL AERONAUTICS Washington National Airport: For the construction, with or with- Washington Na- out advertising, of five hangars at the Washington National Airport, tional Airport Arlington County, Virginia, including a roadway service underpass and other necessary appurtenances, $2,700,000; to remain available until June 30, 1942, of which $150,000 shall be available for adminis- trative expenses, including personal services in the District of Columbia and elsewhere, in connection with the preparation of plans, specifi- cations, and estimates, and supervision of construction: Provided,That for use in the operation of such airport no agreement shall be entered into for of hangars, etc. the use of any hangar or space therein for a period exceeding three years nor shall any agreement be entered into for the operation of any concession for a period exceeding five years except the restaurant. For all necessary expenses incident to the care, operation, mainte- Expenses for main- nance, and protection of the Washington National Airport in accord- ne, etc. ance with the Act of June 29, 1940, including personal services in the A nt e.p. 686. District of Columbia, purchase, operation, and maintenance of one motor-propelled ambulance, one fire-and-crash truck, and one rescue- fire-and-crash motorboat; purchase (including exchange), operation, and maintenance of two passenger-carrying motor vehicles; purchase of equipment, materials, and supplies, including $700 for the pur- chase, cleaning, and repair of uniforms for the guards, $152,200, and, in addition, the sum of $103,450 is transferred to this appropriation from the appropriation "Maintenance and Operation of Air Naviga- tion Facilities," contained in the Independent Offices Appropriation Ante, p. 114 . Act, 1941: Provided,That $15,000 of this appropriation shall be avail- Prvso. able for personal services in the District of Columbia, employed in connection with the completion of the construction of said airport, without regard to the Civil Service Act and regulation. Development of landing areas: For the construction, improvement, Development of and repair of not to exceed two hundred and fifty public airports and ain other public landing areas in the United States and its territories and possessions, determined by the Administrator, with the approval of a Board composed of the Secretary of War, Secretary of the Navy, and Secretary of Commerce, to be necessary for national defense, includ- ing areas essential for safe approaches and including the acquisition of land, $40,000,000, of which $2,000 000 shall be available for general administrative expenses, including the objects specified in section 204 62 Stat. 93. of the Civil Aeronautics Act of 1938 and including engineering serv- v,4i2i.44 . spp. ices and supervision of construction: Provided,That this appropriation Proeiso. shall not be construed as precluding the use of other appropriations priations. available for any of the purposes for which this appropriation is made. Establishment of air-navigation facilities: For an additional Establishment of air-navigation facill- amount for the establishment of air-navigation facilities, including ties. the objects specified under this head in the Independent Offices Appropriation Act, 1941, $2,091,000, to remain available until June 30, Ate. p.115 1942. NATIONAL BUREAI OF STANDARDS Operation and administration: For an additional amount for the operation and ad- general operation and administration of the National Bureau of Standards, including the objects specified under this head in the Department of Commerce Appropriation Act, 1941, $21,000. Ant e, p. 196. PATENT OFFICE Salaries: For an additional amount for the Commissioner of Salais. Patents and other personal services in the District of Columbia, Ap. $19,320.