GBK was tasked with performing the compliance monitoring schedule at Fort Sill’s Dodge Hill Landfill. This consisted of completing the semi-annual groundwater and quarterly methane monitoring events as required by Oklahoma State Regulations. FIn-situ field results were derived at 10 wells and groundwater samples taken for laboratory analysis. All analytes were determined with EPA and Standard Method determinations. The results were subject to indepth satatistical analysis to determine exceedences. Methane monitoring was performed quarterly at 25 monitoring points. Bag samples were taken and analyzed where positive readings were identified in the field.