Earlier quoted context omitted.
Amazing how you think your claim is better informed than those from a primary source. You're right, the mystery solvent must have been it.
You can't argue with some people, perhaps like the original poster. Even if figures and readings are produced, some will talk about bananas, flying in an aeroplane, and background radiation. The biggest joke of all has been how the "safety limits" of different types of radiation were all magically raised after Fukushima.
From listening to those people, you might almost think the numbers were factual information to be evaluated thoughtfully!