The DEA has scheduled another National Prescription Drug Take Back Day on Saturday, October 29, 2011, from 10:00 am - 2:00 pm to provide a venue for persons who want to dispose of unwanted and unused prescription drugs. State and local law enforcement agencies will set up collection sites at local police and fire stations where people can drop off unwanted and unused prescription drugs. To find a collection site near you, to find links to how to handle used prescription drugs to read more click the link to NATIONAL TAKE BACK INITIATIVE. Local Sites as of today include PITTSBURGH POLICE ZONE 5 STATION 1401 WASHINGTON BLVD. PITTSBURGH POLICE ZONE 4 STATION 5858 NORTHUMBERLAND ST. CARNEGIE MELLON UNIVERSITY POLICE STATION. 300 S. CRAIG ST.