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Abstract A radon-aerosol chamber having an inner volume of approximately 25 m 3 has been developed at the National Institute of Radiological Sciences (NIRS). The chamber is designed to control… (More)
Commercial heterogeneous solvent products (e.g., paints, inks and ad-hesives) were collected nationwide in Japan in 1980. The vapor phase of the product containers were analyzed for volatile organic… (More)
The sequential two-phase extraction technique (5 mL CS2 extraction followed by 10 mL water extraction) was applied to the determination of methanol and/or toluene on carbon felt in a passive… (More)
Decontamination Factors (DFs) of HEPA filter were measured against 239Pu oxide aerosols. Collection performance of HEPA filter media was investigated using monodisperse NaCl aerosols at various air… (More)
DF (decontamination factor) of two types of air filter was investigated against 198Au aerosol particles with AMAD (activity median aerodynamic diameter)=1.2μm and σg (geometric standard… (More)
Size measurements of PSL (polystyrene latex) particles in a size range from 0.109 to 0.330 μm were made by laser aerosol spectrometer (PMS, LAS-X). The results were compared with those by electron… (More)