106 STAT. 1612 PUBLIC LAW 102-389—OCT. 6, 1992 senger motor vehicles; not to exceed $2,500 for ofiEicial reception and representation expenses; $158,000,000, to remain available until expended: Provided, That receipts for support services and materials provided for non-Federal activities may be credited to this appropriation: Provided further. That no funds in this account shall be used for the purchase of aircraft other than ones transferred from other Federal agencies. UNITED STATES ANTARCTIC LOGISTICAL SUPPORT ACnVITIES For necessary expenses in reimbursing Federal agencies for logistical and other related activities for the United States Antarctic Program pursuant to the National Science Foundation Act of 1950, as amended (42 U.S.C. 1861-1875); acquisition, maintenance, and operation of aircraft for research and operations support; improvement of environmental practices and enhancements of safety; $63,360,000, to remain available until expended: Provided, That receipts for support services and materials provided for non-Federal activities may be credited to this appropriation. EDUCATION AND HUMAN RESOURCES ACTIVITIES For necessary expenses in carrsring out science and engineering education and human resources programs and activities pursuant to the purposes of the National Science Foundation Act of 1950, as amended (42 U.S.C. 1861-1875), including services as authorized by 5 U.S.C. 3109 and rental of conference rooms in the District of Columbia, $487,500,000, to remain available until September 30, 1994: Provided, That to the extent that the amount of this appropriation is less than the total amount authorized to be appropriated for included program activities, all amounts, including floors and ceilings, specified in the authorizing Act for those program activities or their subactivities shall be reduced proportionally. CRITICAL TECHNOLOGIES INSTITUTE For necessary expenses for support of the Critical Technologies Institute as authorized by section 822 of the National Defense Authorization Act for Fiscal Year 1991, as amended (42 U.S.C. 6686), $1,000,000, to remain available until expended. SALARIES AND EXPENSES For necessary salaries and expenses in carrying out the purposes of the National Science Foundation Act of 1950, as amended (42 U.S.C. 1861-1875); services authorized by 5 U.S.C. 3109; hire of passenger motor vehicles; not to exceed $6,000 for official reception and representation expenses; uniforms or allowances therefor, as authorized by law (5 U.S.C. 5901-5902); rental of conference rooms in the District of Columbia; reimbursement of the General Services Administration for security guard services; $111,000,000: Provided, That contracts may be entered into under salaries and expenses in fiscal year 1993 for maintenance and operation of facilities, and for other services, to be provided during the next fiscal year.
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