Review this official PDF document from the Institute for Policy Studies in Wash DC, one of the nation's top 5 think tank organizations.
Link to PDF on spent fuel
In this document you will find some very interesting information worth consideration, so I suggest everyone look over the entire document.
Also, after trying to find technical information about the spent fuel rods and comparing them with Chernobyl, all I can really find is the repeated
statement that MOX fuel is at Fukushima whereas Chernobyl did not have any.
So it appears that the fuel at Fukushima is even more dangerous than a 1:1 ratio (if we are talking about MOX). I don't know the exact ratios yet but
I'll try to find out exactly what they may be.
Also it is claimed that spent fuel is more dangerous than a basic meltdown for various reasons.
In that PDF I linked above it has charts of the different types of isotopes released and in what quantities they are released including their
half-life expectancy. There are other important isotopes to look at including Strontium 90 and Plutonium 241, among others.
I am sorry but this 1 Chernobyl meltdown = 10 Fukushima fuel rods ( but instead I am under the impression it's more than 1:1 or it is equivalent
radiation release potentials).
Oh I just realized I misread the articles. This '85 times greater claim' is in reference to the entire 10,000 + in storage there at Fukushima.
So 1 Chernobyl = 100 Fukushima assemblies? Don't think so.
It would be more scientifically accurate to say Fukushima holds 10,000 Chernobyl equivalents, but that only 1,000 or so of them are at immediate risk
in reactor #4's sfp, where as the 9000 others are at less risk and are supposedly in long-term storage last I heard.
Why do I have a feeling that the 85x claim is totally out of context, misleading, and being used to downplay the amount of material held within the