Groundwater Quality Evaluation for Potable Use and Associated Human Health Risk in Gaobeidian City, North China Plain

Table 6

Carcinogenic risk of Cr⁶⁺ and As in all the samples.

Sample	Cr^6+		As
	Children	Adult	Children	Adult
W1	1.98E − 04	1.33E − 04	0	0
W2	0	0	7.12E − 05	3.33E − 05
W3	0	0	7.12E − 05	3.33E − 05
W4	3.17E − 04	2.13E − 04	0	0
W5	0	0	0	0
W6	0	0	7.12E − 05	3.33E − 05
W7	0	0	0	0
W8	1.03E − 03	6.91E − 04	0	0
W9	6.73E − 04	4.52E − 04	0	0
W10	5.54E − 04	3.72E − 04	0	0
W11	1.98E − 04	1.33E − 04	0	0
W12	0	0	0	0
W13	0	0	0	0
W14	0	0	0	0
W15	3.56E − 04	2.39E − 04	0	0
W16	0	0	0	0
W17	3.56E − 04	2.39E − 04	0	0
W18	0	0	7.12E − 05	3.33E − 05
W19	0	0	0	0
W20	0	0	0	0
W21	0	0	0	0
W22	0	0	1.42E − 04	6.67E − 05
W23	0	0	0	0
W24	0	0	0	0
W25	0	0	8.55E − 05	4.00E − 05
W26	0	0	0	0
W27	0	0	0	0