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  • Title: 14CO2-in-air sampling with passive diffusion samplers.
    Author: Wood MJ, Surette RA, Mohindra JK, Patterson JG.
    Journal: Health Phys; 1998 Feb; 74(2):253-8. PubMed ID: 9450595.
    Abstract:
    Passive diffusion samplers designed for measuring HTO-in-air have been evaluated for measuring 14CO2-in-air. Controlled exposures to HTO-in-air, 14CO2-in-air, and a combination of the two gases were carried out. The sampling rate of the 14CO2-in-air was found to be approximately 0.7 that of HTO-in-air. This value is consistent with the calculated relative sampling rates based on the diffusion coefficients of the gases. Passive diffusion samplers currently used for sampling HTO-in-air at CANDU facilities have been shown to be suitable for also measuring 14CO2-in-air and HTO-in-air simultaneously when prepared with the appropriate sampling solution.
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