Following the recent mishap with the Soyuz, Kazakhstan's deputy minister for defense and the aerospace industry said that about 22 tons of fuel (kerosene and liquid oxygen) were dumped/fell over the Kazakh countryside. Somewhat oddly, it seems to me, he noted that radiation in the area in question was at background level, which seems like a redundant but anxiety-provoking clarification, since why could there be any additional radiation anyway? Anyway, my question for those who might be in the know, is whether 22 tons of kerosene and oxygen seems like a potentially hazardous amount, also bearing in mind that this fuel was dumped as it was combusting at 47 kilometres into the air?
Here is the original report for Russian speakers:
UPD: Another report also alludes to 820 kilograms of nitric acid and what the Russians call heptyl. Oddly, this does not seem to be in the Kazakh media account, so the information presumably comes from Roscosmos rather than the Kazakhs.