Assessing Health Risks from Arsenic Intake by Residents in Cambodia - Environmental Contamination: Health Risks and Ecological Restoration - page 81

2.00

Significant effect

1.00

Effect

Safe standard for toxic
risk 1.00

0.00

Non-effect

-1.00

-2.00

-3.00

Kandal

Kratie Kampong cham

(a) Study area

0.00

Carcinogenic effect

-2.00

Safe standard for cancer
risk 1 in 10,000

-4.00

Safe standard for cancer
risk 1 in 1,000,000

-6.00

Carcinogenic safe

-8.00

Kandal Kratie Kampong cham

(b) Study area

FIGURE 5.2
Risk. incidence. in. the. three. study. area. provinces. in. the. Mekong. River. basin. of. Cambodia.
through. groundwater. drinking. pathway:. (a). toxic. risk. and. (b). carcinogenic. risk.. (From.
Sthiannopkao,.S..et.al.,. Appl. Geochem .,.23,.1086,.2008.)

scalp.hair.samples.of.Kandal.province.residents.ranged.from.0.10.to.7.95.μg/g.
(n.=.40,.median.=.0.54.μg/g,.mean.=.1.41.μg/g);.Sampson.et.al..(2008).reported.
that.arsenic.concentration.in.hair.samples.in.Preak.Russey.village.in.Kandal.
province,. where. residents. affected. with. arsenicosis. patients. were. found,.
ranged. from. 2.1. to. 13.94.μg/g. (n.=.36),. with. geometric. mean. of. 5.64.μg/g;.
and. Mazumder. et. al.. (2009). reported. that. the. arsenic. level. in. scalp. hair. of.
the. same. Preak. Russey. residents,. Kandal. province,. ranged. from. 0.92. to.