$2-$ Suppose an individual eats fish from a river contaminated with benzene. What

concentration of benzene in the water would produce a lifetime risk of $1{10}^{-6}$

to an individual who eats the amount of fish suggested by EPA exposure factors

in Table $4\mathrm{.}10$ in the textbook? Use the oral PF for benzene and the BCF given in

Table $4\mathrm{.}12$ in your book.

TABLE $4\mathrm{.}10$

Source: U$.$S$.$

$2-$ Suppose an individual eats fish from a river contaminated with benzene. What

concentration of benzene in the water would produce a lifetime risk of $1{10}^{-6}$

to an individual who eats the amount of fish suggested by EPA exposure factors

in Table $4\mathrm{.}10$ in the textbook? Use the oral PF for benzene and the BCF given in

Table $4\mathrm{.}12$ in your book.

$2-$ Suppose an individual eats fish from a river contaminated with benzene. What

concentration of benzene in the water would produce a lifetime risk of $1{10}^{-6}$

to an individual who eats the amount of fish suggested by EPA exposure factors

in Table $4\mathrm{.}10$ in the textbook? Use the oral PF for benzene and the BCF given in

Table $4\mathrm{.}12$ in your book.

TABLE $4\mathrm{.}10$

Example EPA Exposure Factors Recommended for Risk Assessments

Source: U$.$S$.$ EPA, $1991.$