53 STAT.] 76TH CONG., 1ST SESS.-CH. 253 -JUNE 30, 1939 Agricultural engineering investigations: For investigations, experi- ments, and demonstrations involving the application of engineering principles to agriculture for the investigation, development, experi- mental demonstration, and application of methods for the prevention and control of dust explosions and fires during the harvesting, han- dling, milling, processing, fumigating, and storing of agricultural products, and of other dust explosions and resulting fires not otherwise provided for, including fires in grain mills and elevators, cotton gins, cotton-oil mills, and other structures; the heating, charring, and igni- tion of agricultural products; fires on farms and in rural communities and other explosions and fires in connection with farm and agricul- tural operations; for investigating and reporting upon the different kinds of farm power and appliances: upon farm domestic water supply and sewage disposal, upon the design and construction of farm buildings and their appurtenances and of buildings for processing and storing farm products; upon farm power and mechanical farm equipment and rural electrification; upon the engineering problems relating to the processing, transportation, and storage of perishable and other agricultural products; and upon the engineering problems involved in adapting physical characteristics of farm land to the use of modern farm machinery; for investigations of cotton ginning under the Act approved April 19, 1930 (7 U. S. C., 424, 425); for giving expert advice and assistance in agricultural and chemical engineering; for collating, reporting, and illustrating the results of investigations and preparing, publishing, and distributing bulletins, plans, and reports, $349,469. Naval-stores investigations: For the investigation of naval stores (turpentine and rosin) and their components; the investigation and experimental demonstration of improved equipment, methods, or proc- esses of preparing naval stores; the weighing, storing, handling, trans- portation, and utilization of naval stores; and for the assembling and compilation of data on production, distribution, and consumption of turpentine and rosin, pursuant to the Act of August 15, 1935 (5 U. S. C. 556b), $89,400. Fertilizer investigations: For investigations within the United States of fertilizers, fertilizer ingredients, including phosphoric acid and potash, and other soil amendments and their suitability for agri- cultural use, $225,000. Total, salaries and expenses, Bureau of Agricultural Chemistry and Engineering, $1,379,369, of which amount not to exceed $895,500 may be expended for personal services in the District of Columbia, and not to exceed $3,725 shall be available for the purchase of motor- propelled and horse-drawn passenger-carrying vehicles necessary in the conduct of field work outside the District of Columbia. BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE SALARIES AND EXPENSES For necessary expenses connected with investigations, experiments, and demonstrations for the promotion of economic entomology, for investigating and ascertaining the best means of destroying insects and related pests injurious to agriculture, for investigating and importing useful and beneficial insects and bacterial, fngal, and other diseases of insects and related pests, for investigating and ascer- taining the best means of destroying insects affecting man and animals, to enable the Secretary of Agriculture to carry into effect the provisions of the Plant Quarantine Act of August 20, 1912, as amended, to conduct other activities hereinafter authorized, and for the eradication, control, and prevention of spread of injurious insects and plant pests, independently or in cooperation with other branches 959 Agricultural engi- neeringinvestigations. Cotton ginning. 46 Stat. 248 . 7 U. . C. §§ 424,425. Naval-stores inves- tigations. 49 Stat. 683. 5 U. S.C. .Supp IV, i SSb. Fertilizer investiga- tions. Personal services. Vehicles. Investigations, etc. Plant Quarantine Act, enforcement. 37 Stat. 315 . 7U.S.C.ch.8; Supp. IV, ch. 8 .
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