Lawrence Berkeley Laboratory Records Transmittal Records Description Addendum Division and Department Environment, Health and Safety--Environment Dept. LBL Accession Number Section, Group or Project Page Number Environmental Protection 2 Records Title Jensen Young's Group Leader's Administrative Subject Files Brief Description of the Records (Continued) Lawrence Radiation Laboratory publications relating to health chemistry equipment and techniques, ventilation equipment design drawings, radioautographsoffilter queen samples, schematics, plant engineering drawings, correspondence,draft notes, unit progress reports, memoranda,draft typescripts of reports, job orders, project authorizations,filter test results and filter specifications, description of ventilation procedures for various | Laboratory facilities, equipment and personnel photographs. Subjects documented in this series include design, construction, andalterationofall air treatment engineering equipment at Lawrence Berkeley Laboratory (formerly the Lawrence Radiation Laboratory) for the time period covered and air sampling for local radioactivity and radioactivefallout (also included in these records are somefiles of Myron D. Thaxter of the Health Chemistry Department, relating to air sampling, dating back to 1951). Young joined the Laboratory in 1955 as a Chemistand retired in 1991 as the head of the Environmental Health and Safety Departmentand the Deputy Division Director of the Occupational Health Division. As these records documenthis early career as well as the operations of a key environment, health and safety unit at LBL, they have both historical and epidemiological value and should be retained permanently. NOTE; A sample of CM-115E waterproofed glass-asbestos paper was removed from Box2, the folder labeled “Filters, General," from a memorandum to Mike Thaxter from from Jack Murrow dated February 20, 1961," and accessioned separately.