Guidance

Los Alamos National Laboratory Site Characterization for TA-3-141, Volume 2-Detailed Analysis of Site Characterization Results (abbreviated)

Los Alamos National Laboratory
Site Characterization for Ta-3-141
Volume 2-Detailed Analysis
Of Site Characterization Results
February 13, 1996
Prepared for
Los Alamos National Laboratory
Industrial Hygiene Group
Under Contract No. 9-XQ3-1432E-J
Work Release 95-0017
Prepared by
Radian Corporation
115 Longview Drive
White Rock, NM 87544
Doc. #F960110.1TT51

CONTENTS

TABLES ..........................................................................v
FIGURES ........................................................................vii
ACRONYMS AND INITIALISMS ...................................ix

1.    INTRODUCTION ...................................................1-1
       1.1 BACKGROUND AND HISTORY....................1-3
       1.2 VENTILATION SYSTEMS................................1-5
       1.3 OTHER HOMOGENEOUS AREAS................1-9
       1.4 LEVEL OF CONCERN DETERMINATION....1-10

2.   SURVEY METHODOLOGY......................................2-1
       2.1 METAL WIPE SAMPLES...................................2-3
       2.2 PCB WIPE SAMPLES.......................................2-10
       2.3 BULK DUST SAMPLES....................................2-10
       2.4 ROOF SAMPLES...............................................2-11
       2.5 PAINT SAMPLES...............................................2-11
       2.6 PERCHLORATE RISK SURVEY....................2-11
       2.7 PHYSICAL HAZARDS ASSESSMENT...........2-13
       2.8 HISTORICAL DATA............................................2-13

3.   RESULTS ..................................................................3-1
       3.1 METALS OF CONCERN...................................3-1
       3.2 METAL WIPE SAMPLES...................................3-2
           3.2.1 Exhaust Ventilation System............3-3
           3.2.2 Supply Ventilation System...............3-5
           3.2.3 Walls.......................................................3-8
           3.2.4 Rotating Equipment............................3-13
           3.2.5 Miscellaneous Horizontal Surfaces.......3-17
        3.3 PCB WIPE SAMPLES..............................................3-25
        3.4 BULK DUST SAMPLES..........................................3-25
        3.5 ROOF SAMPLES......................................................3-29
        3.6 PAINT SAMPLES......................................................3-33
        3.7 PERCHLORATE..................................................3-38
        3.8 PHYSICAL HAZARDS ASSESSMENT...................3-38
        3.9 HISTORICAL DATA...................................................3-42
           3.9.1 Historical Beryllium Surveys....................3-42
              3.9.2 Historical Radiological Surveys...............3-44

4.    RECOMMENDATIONS ...............................................4-1
         4.1 RECOMMENDED MONITORING..........................4-1
         4.2 RECOMMENDED PPE..........................................................................4-13
         4.3 RECOMMENDED EQUIPMENT/STRUCTURE REMOVAL METHODS.........4-14
         4.4 PHYSICAL HAZARDS PLANNING................................................................4-17
         4.5 BUILDING DECONTAMINATION PRIOR TO RECONSTRUCTION.............4-17

APPENDIX 

APPENDIX A:     FIELD LOG OF CHARACTERIZATION ACTIVITIES
APPENDIX B:     FIELD LOG OF PHYSICAL HAZARDS ASSESSMENT
APPENDIX C:     HISTORICAL RADIOLOGICAL AND BERYLLIUM DATA