Proving once again that the internet is good for something other than pornography and pirating music, one of the more useful state agencies you've never heard of, the California Department of Toxic Substances Control, has created EnviroStors, an online database of contaminated sites throughout the state. The database, the San Jose Mercury News reports, "includes 8,261 industrial sites, schools, military bases, vacant lots, farms and other properties -- everything from Silicon Valley Superfund s