Identify four chemicals in gasoline that serve as environmental health hazards.

Question

Identify four chemicals in gasoline that serve as environmental health hazards. Filling in a few sentences for each portion of the table below consistent with data on each of the chemicals.

Possible environmental pathways for migration of chemical

Chemical 1- Chemical-2 Chemical-3 Chemical-4

Biogeochemical cycles disrupted by human use of chemical (water, carbon, oxygen, etc.)

Chemical 1- Chemical-2 Chemical-3 Chemical-4

Possible environmental effects of chemical

Chemical 1- Chemical-2 Chemical-3 Chemical-4

Possible route of chemcial exposure to human

Chemical 1- Chemical-2 Chemical-3 Chemical-4

Possible human health effects of chemical exposure

Chemical 1- Chemical-2 Chemical-3 Chemical-4

Explanation / Answer

Four chemicals in gasoline that serve as environmental health hazards:

1) Benzene

2) Naphthalene

3) Toluene

4) Methyl tertiary butyl ether (MTBE)

Environmental pathways:

1) Releases to air

2) Gasoline spills

3) Drilling

4) Hydraulic fracturing

Possible Environmental effects:

1) Air pollution

2) Global warming due to emission of CO2

3) Acid rain due to the release of SO2

4) Formation of ground level ozone due to the release of toxic volatile organic compounds

Possible route of chemical exposure to human

1) inhalation

2) Skin contact

3) Eye

4) Ingestion

Possible human health effects

1) Respiratory disorder

2) cardiovascular effects

3) Carcenogenicity

4) Affect the central nervous system

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