A post-election audit will be held by the Ridgefield Registrars of Voters today.  A percentage of all voting districts in Connecticut must be audited, according to state mandate, to ensure the integrity of voting tabulators.  The Ridgefield audit of machines from East Ridge Middle School will be held at 9am in the large lower level conference room at Town Hall.  The audit is open to public observation.  Alternate locations selected by the Secretary of the State's Office for an audit including machines from Meeting House Hill School in New Fairfield, Southbury Public Library and machines in Wilton from Cider Mill School and Middlebrook School.  All districts were chosen by random lottery earlier this month.