Presence of volatile organic compounds in water samples

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Reference no: EM133873699

Question

What conclusion can be drawn between the presence of volatile organic compounds in water samples and incidences of leukemia and lymphoma in Washington County in southwestern Pennsylvania, and Bradford County, Clinton County, and Lycoming County in north-central Pennsylvania?

a. There is a strong and definitive link between the elevated levels of ethylbenzene and styrene in the groundwater of these counties, and the higher-than-average incidences of leukemia and lymphoma within those counties.

b. While there are elevated levels of ethylbenzene and styrene in the groundwater of these counties, it cannot be definitively proven that a clear link exists between the two sets of variables due to significant differences in cancer rates between these counties. Other factors may play a role in influencing the epidemiological data.

c. A strong link exists between the elevated levels of ethylbenzene and styrene in the groundwater of these counties and the incidence of leukemia in those counties, but no link exists between toxins in the groundwater and incidences of lymphoma in these counties.

d. There is no link whatsoever between the elevated levels of ethylbenzene and styrene in the groundwater in these counties and the incidence of leukemia and lymphoma within those counties.

Reference no: EM133873699

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