Literature Survey: Subsurface and Groundwater Protection Related to Petroleum Refinery Operations This report is the principal product of an API - sponsored project to prepare a background basis for the development of further information on subsurface and groundwater protection at refineri es. It contains an explanation of how the literature survey was conducted; annotations for pertinent articles; a discussion of applicable federal st atutes and regulations; and annotations for pertinent regulatory programs under the 5 principal statutes that apply to refinery operations