"Huh. Alright. Here, take a look at this," Tony nodded his head and refilled Peter's glass, then walked over to a back table, where a large, engine-like aparatus sat connected to several machines and monitors.
"Bruce and I were working on this. It's a filtration unit for radiation in soil. Handy in case anybody decides to nuke part of the City, since we wouldn't have much of a chance of escaping the radioactive zone."
It has also served as a way to study radiation reduction in general, which Bruce had always been keen on. Tony had at one moment been worried Bruce would try to put himself through whatever they came up with to get rid of the Hulk.
"The filtration hasn't worked consistently though. And if it can't guarantee all of the radiation being filtered, there's not much of a point to it."