"June 4, 2013"--Front cover.

"The purpose of this project was to conduct remediation of acidic and hydrocarbon impacted waste and soil (acidic waste/soil) under the street and limited areas of sidewalk directly adjacent to 334 South Wolcott Street in order to minimize possible human exposure to the acidic waste/soil migrating to the street surface. The Wyoming DEQ OSRP preferred remedial alternative was excavation of waste materials and impacted soil, followed by on-site netralization and off-site disposal of the treated waste/soil as petrolem contaminated soil (PCS).....Tetra Tech was retained by the ... Wyoming DEQ to conduct remediation at the former Lobell Refinery of waste materials (i.e., acidic petroleum sludge-like material) and impacted soil under a specified portion of South Wolcott Street and, as necessary, limited areas of sidewalk directly adjacent to 334 South Wolcott Street located in downtown Casper....This Final Remediation Report provides a brief description and environmental history of the subject site, a summary of the excavation and remediation activities, photo-documentation of remedial activities (Appendix I), daily field notes that documented project activities (Appendix II), excavation, and an interpretation of the confirmation analytical results with respect to Wyoming DEQ's remedial objectives."--Introduction, p. 1