Importance of different volatile petroleum hydrocarbon fractions in human health risk assessment

Human and Ecological Risk Assessment | June 1, 2003| | Copyright

ABSTRACT

Soil vapor data for benzene and four aliphatic and aromatic hydrocarbon fractions from five volatile petroleum hydrocarbon (VPH)-contaminated sites in western Canada were used together with the Canadian Council of Ministers of the Environment (CCME) Canada-Wide Standard for petroleum hydrocarbons to investigate the relative importance of benzene and the different fractions in human health risk assessment. VPH concentrations in soil vapor samples ranged from 4.0 to 4200 mg/m^sup 3^, of which 0 to 4.6% was BTEX and 90 to 95% was hydrocarbons of the C^sub 5-8^ aliphatic fraction. VPH ...

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