Site characterization report for Building 3515 at Oak Ridge National Laboratory, Oak Ridge, Tennessee. Environmental Restoration Program

Abstract

PIT* I ÍÜ 2.1a Site Pirn 2-2 2.1b Aerial photograph of South Tank Farm area and Building 3515 2-3 2.2 Plan and elevaiion views pocket 2.3a North wall exterior 2-7 2.3b East wall exterior 2-7 2.3c West wall exterior 2-7 2.3d South wall exterior 2-7 2.4 Copy of historical ORNL drawing A-RD 2108: Building 3515 alterations .. 2-8 2.5a Historical photograph: product sample and removal station exterior ..... 2-9 2.5b Historical photograph: top view of the product sample and removal station interior 2-9 2.5c Present-day photograph: entombed product sample and removal station .... 2-9 2.6 West wall of gallery or control room on east side of north cell 2-11 2.7 Electrical conduit lying at the base of the east wall 2-12 2.8 Concrete pad by the south wall 2-12 2.9 Concrete core (location 73.Sb002) from the concrete pad south of Building 3515 2-14 2.10 Blocked-up entrance ways to cells on the west wall 2-14 2.11 Two concrete cores from the north ce'l door 2-15 2.12a Single concrete core from the south cell door 2-15 2.12b Stacked block filling the south cell entrance way 2-16 2.13 North cell interior: composite photograph of vessel S-5, manometer board, and equipment rack 2-18 2.14 North cell interior: composite photograph showing overhead view of cell from cell doorway 2-19 2.15 North cell interior: northwest comer 2-20 2.16 North cell interior: southwest corner of cell behind vessel S-5 2-20 2.17 Historical photograph showing extension handles from north cell equipment rack penetrating east wall to control room 2-22 2.18 Location ot vessels on the north cell equipment rack 2-23 2.19 Historic (1953) photographs of individual sections of the north cell equipment rack 2-25 through 2-31 2.20 South cell 2-33 2.21 South cell 2-34 2.22 South cell: composite photograph from entrance way showing north and east northns of cell 2-36 2.23 South cell: composite photograph of cesium transfer tank and entrance way floor 2-37 2.24 South cell: composite photograph of floor area behind (to the east of) cesium transfer tank 2-38 2.25 South cell: composite photograph of southeast corner and south 2-39 2.26 South cell: bottom portion of southwest corner 2-40 KIT* I IV 3.1 Concrete core and soil sampling locations 3-2 4.1 WAG 1 soil boring locations near Building 3515 4-11 6.1 Penetration distance of long-handled tools into cells from access holes 6-4 6.2 Access to the south cell 6-5 6.3 North cell teletector measurement results 6-6 6.4 North cell HP-290 directional probe results 6-7 6.5 North cell exposure profile from HP-290 and teletector probes 6-8 6.6 North cell TLD results (deep dose) 6-10 6.7 North cell TLD results (shallow dose) 6-11 6.8 North cell TLD results (up) 6-12 »-iw.i VÍ ACRONYMS ALARA as low as reasonably achievable ASL analytical subcontract laboratory BNAE base/neutral/acid-extractable BZA breathing zone apparatus CH contact-handled CLP