MPs will hear calls later for a full inquiry into claims of the blacklisting of workers on major public projects such as Crossrail and the Olympics. The move follows disclosures about a database of 3,000 names used to vet workers in the construction sector for more than 15 years...The existence of the list was exposed by a raid by the Information Commissioner's Office in 2009. The raid, on an organisation called the Consulting Association, confirmed that construction companies had been checking potential employees against a blacklist. This list included details ranging from employment history to trade union activity and other personal information...Cullum McAlpine, a director at construction giant Sir Robert McAlpine, confirmed to MPs that the company had checked workers against the list to protect against "deliberatively disruptive or unlawful" behaviour on sites. Employment Relations Minister Jo Swinson said: "The Government condemns blacklisting as a totally unacceptable practice..."