Windscale, Cumberland: Process workers wearing protective clothing as they prepare to enter No1 Pile at windscale on a normal shift for their routine jobs. The clothing is to protect them from radio-active dust and contamination, following the recent discovery that uranium rods in the atomic reactor at windscale had become overheated and that a surge of radio-active dust had escaped from the 500 foot high chimneys All milk from the coastal strip seven miles lond and two miles wide around the windscale plutonium factor near Calder Hall was a banned from distribution when tests of milk samples showed a content of radio iodine content to be six times the permissible level. 18 October 1957