UNITED STATES DEPAETMEIJT OF AGRICULTUIffl 
 Bureau of Sntomolo^^y and Plant Quarantine 
 Washington, D. C. 
 
 B. E. P. U80 
 
 A]DMIKISTIIA.TI71 IlTSTRUCTlOlTS 
 FUMIGATION OF TOMATOES BY IvETHYL BROMIDE AS A COIIDITION OF 
 CERTIFICATION OF TOlilATOES MOVING BY REFRlGERilTOR CAR FROM 
 THE AREA LISTED IN REGULATION 5 OF QUARANTINE NO. kS 
 
 (Approved August 18, 193S; effective A^jigust 22, 1933) 
 
 Regulation 5» Sec. B, paragraph (2) of the Japanese beetle quarantine 
 (No. Us) authorizes the issuance of certificates for the interstate move- 
 ment of fruits and vegetahles via. refrigerator car from the area listed in 
 that regulation to points outside the regulated areas "between June I5 and 
 OctolDer 15 when they have "been handled or treated under the supervision of 
 an inspector in manner and by method to free them from any infestation, 
 
 TFJ:AT?.fflNT AUTHORIZED 
 
 The treatment described herein has "been found to be effective against 
 the Japfmese beetle and such treatment is authorized as a basis for certi- 
 fication of tomatoes moving to points outside the regulated areas between 
 June 15 and October 15 via refrigerator car when such treatment is carried 
 out under the supervisior of tm inspector a.nd in a manner satisfactory to 
 him. 
 
 TREATIvIEM imTlO D 
 
 Fumigation of tomatoes in dry refrigerator cars with methyl bromide 
 at a dosage of 2 pomids per 1,000 cubic feet of space, including the space 
 occupied by the tomatoes and bunkers of the cars, for a period of 2 hours, 
 during which time the car ^shall remain tightly closed with the plugs in 
 pla.co in the ventilator hatches. The temperature within the car when fumi- 
 gated shall be not less than 70° F. Provision shall be made for circulat- 
 ing the mixture of air and furaigant in the car for as long a time as is 
 deemed necessary by the inspector. At the end of the fumigation period the 
 )iatches shall be opened, the plugs removed, screens placed in the hatch 
 openings, and the car shipped under standard ventilation. 
 
 In authorizing the moverient of tomatoes fumigated according to the 
 requirements stated above, it is to be understood that no liability shall 
 a.tte.ch either to the United States Department of Agric^ilture or to any of 
 its employees in the event of injury. 
 
 Caution : Methyl bromide is a. gas at ordinary temperatures. It is 
 colorless and practically odorless in concentration used for the furiigation 
 of tomatoes. It is a poison, and the operator should use an approved gas 
 mask when exposed to the gas at concentrations used in fumigation, and v/hen 
 opening the hatches for ventilating the cars. The ca.r sho\ild not be entered 
 until it is v/ell aera.tcd, 
 
 (SEAL) AVERY S. HOYT, 
 
 Acting Chief, Bureau of Entomology and Plant 
 
 Q;uarantine . 
 
 LIBRARY 
 STATE PLANT BO*«, 
 
UNIVERSITY OF FLORIDA 
 
 3 1262 09314 6255