a system and methods of the present invention advantageously provide efficient mail processing and handling that , as compared to existing procedures , enhances detection within the mail being processed or handled of biological , germ , chemical , or other harmful agents . a system and methods provide additionally a higher level of quality and consistency for processing and handling mail so that concerns over contamination of postal workers and potential mail recipients are reduced . a system and methods further provide enhanced disabling of contaminated mail contents , mail , mail equipment , mail containers , and mail personnel due to exposure or contact with harmful agents associated with mail .