MDEQ ⟩ Water ⟩ Groundwater Assessment and Remediation ⟩ Library ⟩ General ⟩ Background Background Click on the links below to download resource documents. Determination of Background Concentrations of Inorganics in Soils and Sediments at Hazardous Waste Sites (EPA 549/S-96/500-December 1995. LINK Verification of Soil Remediation, April 1994, Revision 1, Michigan Department of Environmental Quality LINK Background Back MDEQ ON FACEBOOK MDEQ