Equal concentrations of heptachlor, a known human carcinogen, are found at two different sites.

Question

Equal concentrations of heptachlor, a known human carcinogen, are found at       two different sites. 
(a)	The incremental risk is the same at the two sites
(b)	The incremental risk is different at the two sites
(c)	The incremental risk at the two sites might be the same or it might be different.

drwls · Answer

Your question is incomplete

bobpursley · Answer

Risk analysis for this long lasting compound will depend on the usage of the soil. Is there farming or gardening, or children playing on it? Is it used for parking?

Dr Russ · Answer

Depending on the detail required for your question you may also want to look at human take up/elimination rates.

Danielle · Answer

Dr Russ is totally right- you should take more advice from him Dr Russ- if you read this message plz tell me if ur the Dr Russ from neasham road surgury!!