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. 2020 Jul 18;2(29):537–540. doi: 10.46234/ccdcw2020.146

Table 1. Mean concentration (Bq/kg, wet weight) of radionuclides in different foods of China, 2012−2019.

Food	No. of samples	²³⁸U mean (95%CI)	²²⁸Ra mean (95%CI)	²²⁶Ra mean (95%CI)	⁴⁰K mean (95%CI)	¹³⁷Cs mean (95%CI)
Milk and dairy products	646	2.15 (1.95−2.35)	0.57 (0.51−0.63)	1.13 (1.00−1.26)	228.00 (218.90−237.10)	0.79 (0.64−0.94)
Vegetables	2,203	0.55 (0.51−0.59)	0.29 (0.27−0.31)	0.39 (0.29−0.49)	102.00 (98.30−105.70)	0.08 (0.07−0.09)
Tea	430	2.88 (2.49−3.27)	1.75 (1.52−1.98)	1.09 (0.98−1.20)	305.00 (282.60−327.40)	0.33 (0.29−0.37)
Cereal	1,264	1.76 (1.63−1.89)	0.50 (0.46−0.54)	0.62 (0.57−0.67)	105.00 (98.00−112.00)	0.20 (0.17−0.23)
Livestock and poultry meat	653	0.94 (0.77−1.11)	0.43 (0.36−0.50)	0.46 (0.40−0.52)	96.90 (82.63−111.17)	0.23 (0.18−0.28)
Fish and seafood	802	0.95 (0.84−1.06)	0.94 (0.82−1.06)	0.55 (0.47−0.63)	67.50 (63.97−71.03)	0.04 (0.037−0.042)
Seaweed	131	2.47 (1.56−3.38)	1.11 (0.90−1.32)	0.56 (0.44−0.68)	371.00 (265.68−476.32)	0.03 (0.027−0.033)