SEVENTIETH C ONGRESS . SEss . II. CH. 227. 1929 . plants for propagation when offered for export and to certify to shippers and interested parties as to the freedom of such products from injurious plant diseases and insect pests according to the sani- tary requirements of the foreign countries affected and to make such reasonable charges and to use such means as may be necessary to accomplish this object, $30,000 : Provided, That moneys received on account of such inspection and certification shall be covered into the Treasury as miscellaneous receipts . Total, Plant Quarantine and Control Administration, $2,633,500, of which amount not to exceed $244,000 may be expended for personal services in the District of Columbia . ENFORCEMENT OF THE GRAIN FUTURES ACT To enable the Secretary of Agriculture to carry into effect the provisions of the Grain Futures Act, approved September 21, 1922 (U . S . C., pp . 87-90, sees . 1-17), $110,000, together with $30,000 of the unexpended balance of the appropriation for this purpose for the fiscal year 1928, of which amount not to exceed $27,000 may be expended for personal services in the District of Columbia . FO OD, DR UG, AND INSECT ICIDE ADMINIS TRATION SALARIES AND GENERAL EXPENSES For all necessary expenses, for chemical apparatus, chemicals and supplies, repairs to apparatus, gas, electric current, official traveling expen ses, t elegra ph an d tele phone service, express and freight charges, for the employment of such assistants, clerks, and ot her persons as the Secretary of Agriculture may consider necessary for the purposes named, in the city of Washington and elsewhere, in conducting investigations ; collecting, reporting, and illustrating the results of such investigations ; and for rent outside of the District of Columbia for carrying out the investigations and work herein authorized as follows F or nec essary expen ses f or gen eral admi nist rati ve pu rpos es, including the salary of chief of administration and other personal services in the District of Columbia, $104,000 . For collaboration with other departments of the Government desir- ing chemical investigatio ns and whose heads request the Secretary of Agriculture for such assistance, and for other miscellaneous work, $16,300 . Enforcement of the Food and Drugs Act : For enabling the Sec- retary of Agriculture to carry into effect the provisions of the Act of June 30, 1906 (U . S . C ., pp . 621-624, sees . 1-15), entitled "An Act for preventing the manufacture, sale, or transportation of adulter- ated, or misbranded, or poisonous, or deleterious foods, drugs, medi- cines, and liquors, and for regulating traffic therein, and for other purposes " ; to cooperate with associations and scientific societies in the revision of the United States Pharmacopoeia and development of methods of analysis, and for investigatinthe character of the chem- ical and physical tests which are applied -to American food products in foreig n countries, a nd for inspec ting the same before shipme nt when desi red by the shi ppers or owne rs of these p roducts intend ed for countries where chemical and physical tests are required before the said products are allowed to be sold therein, $1,030,000 : Pro- vided, That not more than $4,280 shall be used for travel outside of the United States . Enforcement of the tea importation act : For enabling the Secre- tary of Agriculture to carry into effect the provisions of the Act approved March 2, 1897 (U . S . C ., pp . 625, 626, sees . 41-50), entitled 1217 Proviso . Moneys received to be, covered into the Treasury. Services in the Dis- trict. Grain Futures Act. Enfo rcem ent e x- penses . Vol.42,p.998. U.S. Code, p.87. Balance available . Vol. 44, p. 1002. Foo d, Dr ug, and Insecticide Adminis- tration. General expenses. Items specified . Outside rent. Chief of Administra- tion, and office person- nel . Collaboration with departments, etc. Pure-food inspection . Vol. 34, p. 768. U.S. Code, p.621. Revision of Pharma- copoeia . Examining foreign tests of American food products. Pr ovi so . Foreign travel . Impure tea imports . Expenses preventing.