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4.again, or in cases of stress of weather nor when the Government Analyst has given his certificate as hereinafter mentioned, the use of steam to discharge the Petroleum on board.
6.The Master of every ship arriving at this Port and having on board Petroleum in Bulk shall on entering his vessel inwards and before proceeding to the wharf hereinafter mentioned to discharge any cargo declare in writing to the Harbour Master:
a.what quantity of petroleum the ship is carrying.
b.the number of compartments or tanks in which Oil is stored.
c.the nature and quality of the Oil and whether it is covered by any and what certificate from the port of discharge as to the temperature at which the Oil gives off an inflammable Vapour.
6.When the Master of the ship shall have made the declaration in rule 5 the Harbour Master shall cause an officer of his department to go on board the ship without delay to obtain samples of the Petroleum from each compartment or tank.
7.The Master shall forthwith deliver to the officer aforesaid without charge samples from each tank or compartment in which Petroleum is carried. Such samples shall be taken under the personal supervision of the officer aforesaid.
8.Every such sample shall consist of about forty fluid-ounces and every sample shall be rapidly transferred from the compartment or tank in which it is stored into a separate bottle to be provided by the said officer.
9.When the samples have been delivered to the said officer he shall take away the bottles containing them and shall seal and label them with the name of the ship, the name of the consignee and the description or number of the compartment or tank from which each sample has been taken and such other distinguishing marks as may be necessary. He shall immediately forward them to the Government Analyst.
10.The Government Analyst shall test the samples thus received in the manner prescribed...