Announcing examination for substitute clerk and substitute carrier for Post Office Service at following places, Springfield, Va., Vienna, Va., Lorton, Va. (substitute clerk only), McLean, Va. (substitute clerk only), $1.82 an hour, Chantilly, Va. (substitute clerk only), Dun Loring, Va. (substitute clerk only), Merrifield, Va. (substitute clerk only), $1.53 an hour, announcement 32 local (revised).