Lawrence Berkeley Laboratory Records Transmittal Addendum Division and Department LBL Accession Number Section, Group or Project Page Number Environment, Health and Safety--EnvironmentDept. Environmental Protection 6 Records Title Jensen Young's Group Leader's Administrative Subject Files Office Box Number 1/4 contd. " _ Description of Records in Each Box Box Location Radioactive Dust Collector, 6-2-60 (labeled press binder)--copy of memorandum from Jensen Young regarding experimentation with new modelof disposable decon vacuum cleaner along with cutaway drawing, labeled photographs, and H.C. ventilation equipment drawingsandsketches of radioactive dust collector, 1960-61 Hood Air Samplers (labeled press binder)--labeled photographs, typescript "Hood Air Samplers (Stack Samplers)," copy of memorandum re stack sampler evaluation, H.C. lab equipment drawing and sketches, typescriptlist of hoods, and draft notes (1960-61) 128 Channel Gamma PHA Rogue's Gallery (labeled press binder)-radioautographsoffilter queen air samples, including swipes from Hilac post-stripper, 70-218, Crocker TMT Room Hood Air Samplers (labeled press binder)--labeled photographs, typescript “Hood Air Samplers (Stack Samplers)," copy of memorandum re stack sampler evaluation, H.C. lab equipment drawing and sketches Aries (Airborne Radiation in Environmental Sample) input cards and printouts, 1963-65 Building 70A Ventilation and Hoods - Building 70--Multiple copies of ventilation system performance summaries (1965) Operating Instructions Hastings Air Velocity Meter (manila envelope) Unlabeled folder containing circular graphs, summary data charts (CF 750), and draft notes (1965) Operating Instructions and Parts List for David Bradley Generator, n.d. Hood Air Samplers Design Data (labeled press binder)-- typescript "Hood Air Samplers (Stack Samplers)," copy of memorandum re stack sampler evaluation, H.C. lab equipment drawing and sketches (1959-61) Supervisory Tgn--draft notes, certificate of training (lensen Young), class handouts, 1962 aes