Amended by
G.O. 287

The Board of
Railway Commissioners for Canada.

Order no. G.O. 260

Friday, the 7th of
March, A.D. 1919

In the matter of the General Order of the Board No. 208, dated August 11, 1917, approving the regulations for the transportation by freight of dangerous articles other than explosives as amended by General Orders Nos. 206 and 207, dated respectively September 7 and October 26, 1917, and the application of the Prest-O-Lite Company of Canada, Limited, for an order amending the regulations approved by said General Order No. 203.


H. L. Drayton
Chief Commissioner

W. B. Nantel
Deputy Chief Commissioner

S. J. McLean

A. S. Goodeve

A. C. Boyce

Upon reading what has been submitted in support of the application, and the recommendation of the Chief Traffic Officer of the Board, the chairman of the Canadian Freight Association consenting for the railway companies, as appears by his letter to the Secretary of the Board, dated January 28, 1919,—

It is ordered: That the regulations approved by said General Order No. 203, dated August 11, 1917, be, and they are hereby, amended by striking out paragraph (j) of rule 1861 and substituting therefor the following, namely:—

(j) Cylinders containing acetylene gas must be completely filled with a porous material that has been tested with satisfactory results by the Bureau of Explosives, and this material must be charged with acetone, or its equivalent, not to exceed 40 per cent of the interior volumetric capacity of the cylinder. The pressure in cylinders containing acetylene gas must not exceed 250 pounds per square inch at a temperature of 70° F.

Cylinders containing acetylene gas must not be shipped unless they were charged by the person or company by or from whom the cylinders were manufactured. Provided that they may be charged by a-person or company having possession of complete information, furnished in writing by the person by or for whom the cylinders were manufactured, showing the nature of the porous filling and solvent in the cylinders and the meaning of the test markings, solvent indicator markings, and other markings on the cylinders.

H. L. Drayton
Chief Commissioner,
The Board of Railway Commissioners for Canada.