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Air Quality Criteria for Lead Volume II of II - (NEPIS)(EPA) - US ...

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210 Pb <strong>for</strong>med in soils by the in-situ decay <strong>of</strong> 222 Rn from the total 210 Pb (Moore and Poet, 1976;<br />

Nozaki et al., 1978).<br />

Benninger et al. (1975) measured fallout 210 Pb in soils and streamwater at Hubbard Brook<br />

and at an undisturbed <strong>for</strong>est in Pennsylvania. They estimated atmospheric 210 Pb export in<br />

streamwaters to be

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