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. 2019 Nov 4;9:15920. doi: 10.1038/s41598-019-52325-z

Table 2.

LTCR associated with HMs in well-water and borehole water in Iju and Atan.

LTCR Child LTCR ADULT
LTCR associated with HMs in well-water at Iju
Metals Mean 5 th Percentile 95 th Percentile Mean 5 th Percentile 95 th Percentile
Cr 0.000013 0.000007 0.000021 0.000027 0.000015 0.000042
Ni 0.000081 0.000039 0.000124 0.000163 0.000079 0.000248
Pb 8.157E-7 1.547E-7 0.000001 0.000002 7.378E-7 0.000003
LTCR associated with HMs in borehole water at Iju
Cr ND ND ND ND ND ND
Ni 0.000065 0.000047 0.000088 0.000131 0.000089 0.000173
Pb 0.000002 9.847E-7 0.000003 0.000004 0.000002 0.000006
LTCR associated with HMs in well-water at Atan
Cr ND ND ND ND ND ND
Ni 0.000028 0.00002 0.000039 0.000056 0.000039 0.000078
Pb 1.626E-7 −4.457E-8 3.675E-7 3.289E-7 −9.263E-8 7.484E-7
LTCR associated with HMs in borehole water at Iju
Cr ND ND ND ND ND ND
Ni 0.000005 0.000002 0.000009 0.00001 0.000004 0.000018
Pb 4.09E-7 −3.252E-7 0.000001 8.13E-7 −6.488E-7 0.000002