Important: Employment is subect to verification of the applicant's backround. Persons selected for employment must (1) Present an original social security card; (2) Pass a medical examination by the Department Physician. This examination will include testing for current use of drugs and/ or controlled substances. If tracees of drugs or controlled substances are present in a candidate's blood or urine and have NOT been obtained and taken as directed by a valid prescription, the candidate WILL NOT be given further consideration under the present announcemt for this classification. (3) Additionally the District is required by federal law to verify, through documents provide by applicant, the applicant's identity and right to work in the United States.