On the plus side, unlike the common case in the mining industry, the Valley companies involved are mostly at least paying for the cleanup of their associated si

On the plus side, unlike the common case in the mining industry, the Valley companies involved are mostly at least paying for the cleanup of their associated sites. Granted, it might just be because they have no choice, since the sites are clearly theirs, while in mining the sites seem to frequently end up attributed to some tiny company that promptly goes bust, leaving taxpayers paying for the cleanup.