Environmental Health Perspectives

Environmental Health Perspectives (EHP) is a peer-reviewed journal of the United States' National Institute of Environmental Health Sciences, published monthly. Its stated role is to disseminate environmental health information and research findings. As of 2008, EHP is considered a top ranking journal amongst Environmental Researches with an Impact Factor of 5.86 [1]. Its contents are available free of cost for online users and is largely in the Public Domain as a publication of the United States Government [2]. Authors are required to pay "page charges" to have their peer-reviewed articles published in EHP.[3]