. Author manuscript; available in PMC: 2019 Dec 1.

Published in final edited form as: Environ Int. 2018 Oct 28;121(Pt 2):1210–1216. doi: 10.1016/j.envint.2018.10.039

Table 2.

Characteristics of the 1- to 28-day moving averages of gross beta radioactivity level.

Day moving average, ×10⁻³ pCi/m³	Mean ± SD	Interquartile Range	Pearson Correlation Coefficients
Day moving average, ×10⁻³ pCi/m³	Mean ± SD	Interquartile Range	7-day	14-day	21-day	28-day

1-day	7.45 ± 2.26	2.93	0.82	0.68	0.61	0.58
7-day	7.46 ± 2.04	2.63		0.88	0.78	0.73
14-day	7.48 ± 1.81	2.42			0.94	0.87
21-day	7.48 ± 1.65	2.30				0.96
28-day	7.48 ± 1.56	2.23

Note: SD, standard deviation.