Map of RRL location Lab manager Ivan Penskiy Office: 0105 Eng. Annex #093 Phone: (301) 405-6875 Email: ipenskiy[at]umd[dot]edu RRL location RRL occupies rooms 0303, 0305, and 0307 in the Engineering Annex building (UMD web map). The swipe access to the lab is located in the rooms 0305 and 0307 (near the entrance to AV Williams). Google map coordinates: @(38.990664,-76.936750). Phone (rm. 0303): (301) 405-6590 Phone (rm. 0307): (301) 405-8439