Megan Rippy collects soil samples at a stormwater detention basin along Interstate 95 in Northern Virginia. (IMAGE)

Virginia Tech

Megan Rippy collects soil samples at a stormwater detention basin along Interstate 95 in Northern Virginia.

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Megan Rippy collects soil samples at a stormwater detention basin along Interstate 95 in Northern Virginia.

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Photo courtesy of Stanley Grant.

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Photo courtesy of Stanley Grant.

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