ECONOMIC VALUE OF FUMIGATION 231 



Lieutenant- Governor in Council, in accordance with 

 the provisions of the San Jose Scale Amendment Adi, 

 passed April i, 1899 : 



1. Fumigation must be carried on in a box, room, com- 

 partment, or house, suitable for the purpose, which must be 

 air-tight and capable of rapid ventilation. The owner or 

 proprietor will notify the Minister as soon as preparation for 

 fumigation is complete. The Minister will thereupon order 

 an inspection of the fumigation appliances. No fumigation 

 under the Act is to be carried on until such inspection has been 

 made and a satisfactory report sent to the Minister. 



2. The Inspector, after examining and measuring the box 

 or house, or other compartment in which fumigation is to be 

 carried on, will prescribe the amounts of material to be used 

 for every fumigation, and the instructions as to the same 

 must be carefully followed out. The Inspector may. if 

 thought advisable, supply the material for each fumigation in 

 weighed packages. 



3. The fumigation house (which shall include all apparatus 

 or appliances used in the fumigation, such as generators, etc.) 

 is to be subject to the orders of the Minister on the recom- 

 mendation of the Inspector. Subject to the approval of the 

 Inspector, the fumigation house may be on other lots than 

 those on which the nursery stock are growing. 



*^.' The fumigation is to be by hydrocyanic acid gas, pro- 

 duced according to the instructions of the Inspector and from 

 such formulas as he prescribes for the purpose. 



5. The fumigation is to be continued for a period of not 

 less than forty-five minutes. After the expiration of this 

 time, or longer, and when fumigation is complete, the house 

 is to be thoroughly ventilated for fifteen minutes at least. 



6. No person is to be allowed to enter the fumigating 

 house until after the ventilation period has expired. Enter- 

 ing before may prove injurious, if not fatal, as the gas is a 

 deadly poison. 



7. The fumigation of buds and scions may be done in 



