Specifications include, but are not limited to: The Casper Regional Solid Waste Facility is required to perform water quality and methane emissions monitoring and reporting as part of the Wyoming Department of Environmental Quality, Solid Hazardous Waste Division (WDEQ/SHWD) Balefill Closure Permit, Permit Number 10.070 for the Closed Balefill, and to meet the requirements for evaluating the effectiveness of Closed Balefill remedies in-place to reduce the environmental impacts to groundwater. Under this closure permit, the City of Casper is required to perform the following: • Conduct semi-annual groundwater (GW) sampling at GW wells; • Conduct semi-annual Statistical Analysis of GW sampling data; • Prepare semi-annual Statistical Analysis GW Letter Report; • Conduct quarterly methane monitoring (MM) at perimeter MM wells; • Conduct quarterly water levels at GW wells; • Prepare quarterly MM and water levels Letter Report; • Perform annual maintenance of 20% of GW wells; • Obtain Casper Closed Balefill Gas Collection Control System (GCCS) and Title V Reporting Data for Annual Permit Report; • Prepare Annual WDEQ/SHWD Permit Report; • Participate annually in three (3) conference calls; and • Meet annually with City and WDEQ/SHWD staff to review GW data and GCCS Effectiveness as a remedy.
