Libby Mcneil And Libby is a superfund site located at 19029 Ne San Rafael St., Portland, OR 97230. The Environmental Protection Agency (EPA) identifies sites such as Libby Mcneil And Libby because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Libby Mcneil And Libby is currently registered as an Active superfund site by the EPA. Because it is part of a site that's on the NPL (National Priorities List), Libby Mcneil And Libby is considered a mid-level risk hazardous waster site identified by the EPA.