The state environmental department has said air monitoring showed "no significant risk" to people off site.

And companies are much more concerned about sending information off site, where they cannot be sure that it has been destroyed.

Off site The lake, around 300 yards away, is nearly on site.

Long stay car parks are situated both on and off site.

Larger companies may also send their backups off site for added security.

"There are certainly no plumes off site that we don't know about," he said.

Off site, away from the platforms, there is a station master's house.

Can the waste be recovered, either on or off site?

Most important, the service is tailored to meet your needs, on or off site.

The rest of the units, both on and off site, are to be built in the next five years.