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作者 Rock, Robert L.

標題 Sampling mine atmospheres for potential alpha energy due to the presence of radon-220 (thoron) daughters / by R.L. Rock.

出版資料 [Washington] : Mining Enforcement and Safety Administration, [1975]

複本

說明 15 pages : illustrations, tables ; 27 cm.
Content Type text txt rdacontent
媒體類型 unmediated n rdamedia
Carrier Type volume nc rdacarrier
系列 Informational report ; 1015
Informational report (United States. Mining Enforcement and Safety Administration) ; IR1015.
With: Bound With: Analysis of fatalities related to scoops and tractors in underground bituminous coal mines, 1971-1973 / by R.R. McLellan and R.A. Speirer. -- Analysis of disabling injuries related to roof bolting in underground bituminous coal mines - 1973 / by W.K. Miller and R.R. McLellan. -- Electrical hazards in underground bituminous coal mines / by W.A. Mason. -- Analysis of fatal accidents involving front-end loaders at metal and nonmetal mines, 1972-74 / by R.H. Oitto and R.R. McLellan. -- Application of statistics to radiation surveys in mines / by F. Leo Misaqi. -- The determination of free silica in airborne dust collected on membrane filters / by John W. Thatcher. -- Analysis of truck related fatalities and disabling injuries at metal and nonmetal surface mines / by Wayne K. Miller. -- Federal interest in coal mine waste disposal / by Donald P. Schlick. -- Analysis of injuries involving jackleg rock drills underground, 1973-1974 / by R.H. Oitto. -- Evaluation of radioactive aerosols in United States underground coal mines / by Robert L. Rock [and others]. -- Monitoring radon 222 content of mine waters / by Fazlollah L. Misaqi. -- Fifth International Labor Organization report on the prevention and suppression of dust in mining, tunneling, and quarrying in the United States / by T.F. Tomb and L.D. Raymond. -- Mine refuse impoundments in the United States / by D.P. Schlick and W.A. Wahler. -- Summary of some selected underground coal mine face machinery fatalities--1973 / by G.A. Wancheck ; Pittsburgh Technical Support Center. -- Respirable dust control and assessment in the mines of the United Kingdom / by T.F. Tomb and R.L. Mundell ; Pittsburgh Technical Support Center. -- Investigation of the effects of thrust and hardened washers on the installed tension of a roof bolt / by Stephen G. Sawyer, George J. Karabin, and William J. Debevec ; Pittsburgh Technical Support Center. -- Meeting mandatory federal health standards under difficult dust control conditions / by John J. Pendergast, Titus A. Cox, and William H. Sutherland. -- Comparative evaluation of conventional and resin bolting systems / George J. Karabin, Jr., and William J. Debevec ; Pittsburgh Technical Support Center. -- The noise environment of the underground coal mine / by Thomas G. Bobick and Dennis A. Giardino ; Pittsburgh Technical Support Center. -- Field evaluation of a proximity alarm device / by Richard L. Reynolds ; Pittsburgh Technical Support Center.
Bibliography Includes bibliographical references (page 15).
主題 Thoron -- Decay.
Mine gases -- Safety measures.
Alpha rays.
添加作者 United States. Mining Enforcement and Safety Administration.
政府出版物號碼 I 69.9:1015