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Hazard Ranking System (HRS) PDF Print E-mail
Friday, 17 November 2006 01:00
A Hazard Ranking System (HRS) is the method EPA uses to assess and score the hazards posed by a site that takes into account the nature and extent of Contamination and the potential for the hazardous substances to migrate from the site through air, soil, surface water, or groundwater; HRS scores are used to determine whether a site should be placed on the National Priorities List (NPL)
 

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