They also compare their estimated activity level of 300,000 Bq/l with the limit set for liquids after treatment, 50 Bq/l.

The first report is actually totally unrelated: it was released just ahead of the incident by chance. It discusses their research into illegal/improper dumping of nuclear waste at the site. There is an earth mound on the site that is the apparent source of high radiation levels that hides nuclear waste from 1969-76, improperly (no groundwater shielding, defense against erosion), but it appeared in the national registry of nuclear waste only in 2002, with lacking detail, and the nuclear authority carries out no checks just trusts the owner.

_{*Lunatic*, n.
One whose delusions are out of fashion.}