Authority figures have a history of weaseling on this topic.

A dreadful day it was for young Dobbin when one of the youngsters of the school, having run into the town upon a poaching excursion for hardbake and polonies, espied the cart of Dobbin & Rudge, Grocers and Oilmen, Thames Street, London, at the Doctor's door, discharging a cargo of the wares in which the firm dealt.

A nordcaper would yield 700 to 800 kg. or even more, and in addition it was generally very fat, one particular specimen in Bunaveneader producing 120 barrels of oil.

Furthermore, this increase in risk is comparable to the risk of death from leukemia after long-term exposure to benzene, another solvent, which has the well-known property of causing this type of cancer.