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Change in methane concentration <br />C02 <br />®Oxygen <br />^ Methane <br />Conclusion <br />Based on the data <br />Recommondatlons <br />Methane <br />Oxygen <br />C02 <br />seating or the two coal bed methane wells m the Toupal <br />~rkmgs past elevation 8758 feet above MSL have both <br />and an increase in oxygen content m the affected area. <br />to host rocks, Some dewatenng occurred when the mine <br />~t entry Dewatenng may have also occurred to some <br />lemonstrates that methane can move along well bores <br />her completion and after abandonment Improper well <br />well is now believed to be properly cemented and <br />imng tdewatenng) followed by flooding of the mine <br />ed at 6781 feet above MSL (Nov 2002) some 25 leer <br />source of the majority of the mine methane and water <br />ination of these pathways and sources of methane in the <br />s reduced or eliminated the seepage of methane to the <br />this conclusion. <br />The Dwision of Minerals and Geology recommends that mondonng be conbnued at a mammal frequency through <br />the 2003 growing season If continued reduction of methane occurs and soil oxygen content remains elevated <br />or increases, vegetation growth is likely to resume. Reseeding of affected areas, at a minimum on a test basis. <br />would be helplul to determine d the area has returned to normal conditions. Any work in the Toupal pasture <br />area should be based on the availability of water and coordination with Mr Toupal <br />