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 9 Records Title Jensen Young's Group Leader's Administrative Subject Files Office Box Number 2/4 cont'd. Description of Records in Each Box Filters Literature--Copies of memoranda, AEC Health Safety Information newsletters, testing and specification standards, 1958-65 Filters Cambridge--Cambridge Filter Corporation design drawings, 1958 Punctured Filters--photographs Specs Filters - LRL E-85 Model #4--Specification E-139 (LRL Model 4A) and E-85 (Model 4), with memoranda, annotations, HCventilation equipment design drawings, 1960-62 Filters LRL Mod$A, E-139 (2 profilters)--memorandaandtest results (1964) Filters LRL #5 (rev), E-93A--memoranda,test results, Specifications E-93A, LRL Model 5, draft and final, 1963 Filters, General--Address lists, AEC newsletters, non-LBL design drawings, memoranda and correspondence to AEC and underwriter laboratories re LRL filter specifications, 1960-61 Filters LRL mod 7 (1 profilter), E 140--Test results, memoranda, correspondence, Specification E-142, LRL Model 7, 1965-68 Filter Specs LRL #5, E-93--Memoranda, purchase requisitions, draft and final Specification E-93, LRL Model5, 1961 Filters, Livermore--Filter specifications, Mechanical Engineering Department, Livermore, 1959-62 Extra Copies of "Disposable Decon Vac Cleaner" Prints--memoranda, cutaway drawing, H.C. lab equipment design drawings of radioactive dust collector, 1960 Labeled Photos--equipmentandscientists, labeled and with LBL photographidentification number, 1960-63 Napkin Ring 4A-B, 5AB, General Notes--equipmentdesign sketches by Jensen Young, job orders and draft notes re leak rates of NR #5 boxes, 1956-57 Cave-Run Airborne Log (logbook)--ventilation procedures for 6 Inch Cave Run Operation cave boxes, memorandum with Cave Run 1959 Airborne assignments, survey readings, 1959 Box Location