Table 2. Radionuclide concentrations for samples collected on a glass fiber filter at four sampling sites.

	Radionuclide concentrations (mBq m−3)*
Site ID	131I (364 keV)	134Cs (795 keV)	137Cs (662 keV)
KO-1	2.3 ± 0.8	5.6 ± 4.3	ND**
FU	2.9 ± 0.9	8.7 ± 3.8	7.7 ± 3.0
IW-2	10.0 ± 2.6	20.1 ± 15.2	15.2 ± 11.4
KA	ND**	88.8 ± 22.8	66.3 ± 18.0

*Radionuclide concentrations were corrected to the sampling date.

**ND: Under the detection limit.