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Sets out guidelines for the determination of the total desorbable gas content of coal seams, using samples obtained by surface drilling and from underground.
 

Document History

  1. AS 3980:2016


    Determination of gas content of coal and carbonaceous material - Direct desorption method

    • Most Recent
  2. AS 3980-1999


    Guide to the determination of gas content of coal - Direct desorption method

    • Historical Version
  3. AS 3980-1991

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    Guide to the determination of desorbable gas content of coal seams - Direct method

    • Historical Version