Assessment of Heavy Metals in Water, Sediment, and Fishes of a Large Tropical Hydroelectric Dam in Sarawak, Malaysia

Table 4

The health risk assessment of Hg.

Fish species	Conc. (mg/kg in wet weight)	Estimated dose (mg/kg)				Hazard index (HI)				Exposure ratio (ER)				Consumption limits (CR), g, of fish/week
		0-1 year old	1–11 years old	Adult women	Adult men	0-1 year old	1–11 years old	Adult women	Adult men	0-1 year old	1–11 years old	Adult women	Adult men	0-1 year old	1–11 years old	Adult women	Adult men
Cyclocheilichthys armatus	0.15	0.0002	0.0001	0.0002	0.0002	0.69	0.38	0.62	0.55	3.47	1.89	3.08	1.17	93	280	1426	1601
Barbonymus schwanenfeldii	0.43	0.0006	0.0003	0.0005	0.0005	1.99	1.09	1.76	1.57	9.95	5.43	8.82	3.34	33	98	497	559
Puntioplites waandersii	0.31	0.0004	0.0002	0.0004	0.0003	1.44	0.78	1.27	1.13	7.18	3.91	6.36	2.41	45	135	690	775
Pangasius micronemus	0.04	0.0001	0.0000	0.0000	0.0000	0.19	0.10	0.16	0.15	0.93	0.51	0.82	0.31	350	1050	5346	6004
Cyclocheilichthys apogon	0.4	0.0006	0.0003	0.0005	0.0004	1.85	1.01	1.64	1.46	9.26	5.05	8.21	3.11	35	105	535	600
Hemibagrus planiceps	0.41	0.0006	0.0003	0.0005	0.0004	1.90	1.04	1.68	1.50	9.49	5.18	8.41	3.19	34	102	522	586