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|Address||Birchwood Park, Warrington, WA3 6AE|
|No. of tenants||150|
|No. of workers||5,000|
During World War II it was the site of Risley Royal Ordnance Factory. It was then used by the Admiralty as a storage depot until 1961, except for the north west section which was taken over by UKAEA in 1956.