PUBLIC LAWS-CH. 529-JULY 1, 1946 engaged in their work; travel, and other incidental expenses of employees in attendance at meetings and conferences held for pro- moting safety and health in the coal-mining industry; $1,483,000: Provided, That the transfer without compensation of fifty passenger automobiles to this activity from "Enforcement of Federal Explo- sives Act" is hereby authorized. Testing fuel: To conduct inquiries and scientific and technologic investigations concerning the mining, preparation, treatment, and use of mineral fuels, and for investigation of mineral fuels belonging to or for the use of the United States, with a view to their most toRcommendtatio efficient utilization; to recommend to various departments such cies. changes in selection and use of fuel as may result in greater economy, and, upon request of the Director of the Bureau of the Budget, to investigate the fuel-burning equipment in use by or proposed for any of the departments, establishments, or institutions of the United States in the District of Columbia; and special wearing apparel and equipment for protection of empldyees while employed- and pur- chase (not exceeding four), maintenance and operation of passenger automobiles; $500,000, of which not to exceed $112,000 may be expended for personal services in the District of Columbia. Anthracite investigations: For all expenses necessary to conduct inquiries and scientiic and technologic investigations concerning the mining, preparation, treatment, and use of anthracite coals; includ- ing purchase of special wearing apparel and equipment for the pro- tection of employees while engaged in their work; and other items otherwise properly chargeable to the appropriation "Contingent expenses, Department of the Interior"; operation, maintenance, and repair of passenger automobiles; and not to exceed $7,000 for personal services in the District of Columbia, $99,000. Anthracite Research Laboratory: For the construction and equip- ment, in accordance with the Act of December 18, 1942 (56 Stat. 1056), of an anthracite research laboratory, including not to exceed $25,000 for employment by contract, or otherwise at such rates of compensation as the Secretary may determine of engineers, archi- tects, or firms or corporations thereof necessary to design and con- struct said laboratory; and the purchase, maintenance and operation of one passenger automobile; $450,000. Synthetic liquid fuels: For all expenses, without regard to section 4pUS.C. 5. 3709, Revised Statutes, necessary to carry into effect the Act author- izing the construction and operation of demonstration plants to pro- duce synthetic liquid fuels from coal, oil shales, agricultural and for- 58 Stat. 11.sup estry products, and so forth, approved April 5, 1944 (30 U. S . C . 321- 30 U. S. C., Supp. v, i321-325 . 325) including construction and acquirement of camp and laboratory buildings and equipment, personal services in the District of Colum- bia (not exceeding $115,000); not to exceed $50,000 for temporary employment of engineers, architects, or firms or corporations thereol, by contract or otherwise, without regard to civil-service and classifi- cation laws; purchase of special wearing apparel or equipment for the protection of employees while engaged in their work; purchase (not exceeding three), maintenance, and operation of passenger auto- mobiles; printing and binding; and purchase in the District of Co- lumbia and elsewhere of items otherwise properly chargeable to the appropriation "Contingent expenses, Department of the Interior" Transportation. $5,250,000, to remain available until expended: Provided That thse funds may be utilized to provide transportation between the proposed plants and related facilities and communities that provide adequate living accommodations of persons engaged in the operation and maintenance of these plants; and for transportation to and from 372 [60 STAT.