References

Assaf G. Gat J. J. (1967) Direct determination of short-lived radon daughter products on air filters by liquid scintillation counting using a delayed-coincidence technique. Nucl. Instrum. Methods 49, 29.

Breslin A. J. , Private communication.

Breslin A. J. George A. C. Weinstein M. S. Investigation of the radiological characteristics of uranium mine atmospheres. USAEC Report HASL-220, Health and Safety Laboratory, U.S. Atomic Energy Commission, New York (1969)

Chamberlain A. C. Dyson E. D. (1956) The dose to the trachea and bronchi from the decay products of radon and thoron. Br. J. Radiol. 29, 317.

Chapuis A. Lopez A. Fontan J. Madelaine G. J. (1973) Determination de la fraction d'activité existant sous forme de RaA non attaché dans l'atmosphére d'une mine d'uranium. Health Phys. 25, 59.

Craft R. F. Oser J. L. Norris F. W. (1966) A method for determining relative amounts of combined and uncombined radon daughter activity in underground uranium mines. Am. Ind. Hyg. Assoc. J. 27, 154.

Duggan M. J. Howell D. M. (1969) The measurement of the unattached fraction of airborne RaA. Health Phys. 17, 423.

Fasamura N. Kurosawa R. Maruyama M. Determination of f-value in uranium mine air. Assessment of Airborne Radioactivity in Nuclear Operations, p. 213. International Atomic Energy Agency, Vienna (1967)

George A. C. (1972) Measurement of the uncombined fraction of radon daughters with wire screens. Health Phys. 23, 390.

George A. C. Hinchliffe L. (1972) Measurement of uncombined radon daughters in uranium mines. Health Phys. 23, 791.

Groer P. G. (1972) The accuracy and precision of the Kusnetz method for the determination of the working level in uranium mines. Health Phys. 23, 106.

Harley N. H. Pasternack B. S. (1969) The rapid estimation of radon daughter working levels when daughter equilibrium is unknown. Health Phys. 17, 109.

Recommendations of the International Commission on Radiological Protection, Report of Committee 11 on Permissible Dose for Internal Radiation. ICRP Publication 2. Pergamon Press, Oxford (1969)

Recommendations of the International Commission on Radiological Protection. ICRP Publication 9. Pergamon Press, Oxford (1965)

General principles of monitoring for radiation protection of workers. A Report by Committee 4 of the International Commission on Radiological Protection. ICRP Publication 12. Pergamon Press, Oxford (1968)

Recommendations of the International Commission on Radiological Protection. Implications of Commission Recommendations that Doses be kept as Low as Readily Achievable. A Report of ICRP Committee 4. ICRP Publication 22. Pergamon Press, Oxford (1973)

James A. C. Bradford G. F. Howell D. M. (1972) Collection of unattached RaA atoms using a wire gauze. J. Aerosol Sci. 3, 243.

Kusnetz H. L. (1956) Radon daughters in mine atmospheres—A field method for determining concentrations. Am. Ind. Hyg. Assoc. Q. 17, 85.

Lopez Z. Chapuis A. Fontan J. Billard F. Madelaine G. J. (1970) Mesure de l'état d'equilibre entre le radon et ses descendants dans les mines d'uranium. J. Aerosol Sci. 1, 255.

Loysen P. (1969) Errors in the measurement of working level. Health Phys. 16, 629.

Markov K. P. Ryabov N. V. Stas K. N. (1962) A rapid method for estimating the hazard associated with the presence of radon daughter products in air. At. Ehnerg. 12, 315.

Martz D. E. Holleman D. F. McCurdy D. E. Schiager K. J. (1969) Analysis of atmospheric concentrations of RaA, RaB and RaC by alpha spectroscopy. Health Phys. 17, 131.

Martz D. E. Schiager K. J. (1969) Protection against radon progeny inhalation using filter type respirators. Health Phys. 17, 219.

Mercer T. T. Stowe W. A. (1969) Deposition of unattached radon decay products in an impactor stage. Health Phys. 17, 259.

Raabe O. G. Wrenn M. E. (1969) Analysis of the activity of radon daughter samples by weighted least squares. Health Phys. 17, 593.

Rock R. L. Appendix B in Controlling employee exposure to alpha radiation in underground uranium mines. Vol. 2, by Rock R. L. Dalzell R. W. Harris E. J. , U.S. Department of the Interior, Bureau of Mines. Washington D.C. (1971)

Rolle R. (1969) Improved radon daughter monitoring procedure. Am. Ind. Hyg. Assoc. J. 30, 153.

Rolle R. (1970) Determination of radon daughters on filters by a simple liquid scintillation technique. Am. Ind. Hyg. Assoc. J. 31, 718.

Rolle R. (1972) Rapid working level monitoring. Health Phys. 22, 233.

Rolle R. (1972) Radon daughters and age of ventilation air. Health Phys. 23, 118.

Thomas J. W. Determination of radon progeny in air from alpha activity of air samples. USAEC Report HASL-202, Health and Safety Laboratory, U.S. Atomic Energy Commission, New York (1968)

Thomas J. W. (1970) Modification of the Tsivoglou method for radon daughters in air. Health Phys. 19, 691.

Thomas J. W. Measurement of radon daughters in air by alpha counting of air samples. USAEC Report HASL-256, Health and Safety Laboratory, U.S. Atomic Energy Commission, New York (1972)

Thomas J. W. (1972) Measurement of radon daughters in air. Health Phys. 23, 783.

Thomas J. W. Hinchliffe L. E. (1972) Filtration of 0.001 μm particles by wire screens. J. Aerosol Sci. 3, 387.

Thomas J. W. Evaluation of activated carbon canisters for radiation protection in uranium mines. USAEC Report HASL-280, Health and Safety Laboratory, U.S. Atomic Energy Commission, New York (1974)

Tsivoglou E. C. Ayer H. E. Holaday D. A. (1953) Occurrence of nonequilibrium atmospheric mixtures of radon and its daughters. Nucleonics 11(9), 40.