How many NPL sites are there?
1,681.
The US Environmental Protection Agency (EPA) states on its website that, by early June 2010, there was a total of 1,681 NPL sites: 1,279 final sites, 61 proposed sites and 341 deleted sites. A National Priorities List site is a waste site in the United States into which hazardous substances have been discharged – EPA investigates and takes counteracting action on NPL sites.
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