Boots – shoes – and leggings
Patent
1993-10-04
1997-08-05
Voeltz, Emanuel T.
Boots, shoes, and leggings
454 99, E06B 518
Patent
active
056548990
ABSTRACT:
A ventilation, radon and thoron detection system and method is provided. The natural air ventilation rate of a closed space is determined by causing the purging of a closed space, to expel most of the equilibrium radon gas. The gradual buildup of the radon to equilibrium levels is closely monitored via an electronically controlled alpha detector. A one-to-one correspondence between the rate of return buildup of radon to the ventilation rate of the space is established. Empirically measured values of radon accumulation after purge are compared to stored tables of theoretical values. Adjustments may be made to account for residual radon after purge.
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"Ventilation Rates by Direct Measurement of Radon Time-Dependent Bahavior", author Bobby E. Leonard, Jun. 2-6, 1991, Transactions of the American Nuclear Societ, Orlando Fl, vol. 63, pp. 376-377.
Peeso Thomas
Voeltz Emanuel T.
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