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• Degasification Gas Collection System Monitoring Point - Corresponds to centralized monitoring point or individual well from previous tab Select from the pick list
• Quarter Select from the pick list
  • Dates where degasification of mining operations is taking place (start date and stop date).
    • If there was continuous degasification during the quarter, insert the first date of the quarter in the column labeled "Start date" and insert the last date of the quarter in the column labeled "Stop date". If there were interruptions, include as many rows as needed for the well monitoring point/ quarter combination.
• Method used for concentration Select from the pick list
  • If Method 1 (CEMS) is selected, you are required to provide the following information:
    • The quarterly CEMS CH4 concentration used to calculate CH4 liberated from degasification systems
    • The length of time that substitute data are used for the quarterly CEMS CH4 concentration used to calculate CH4 liberated from degasification systems
    • The dates when continuous monitoring equipment is not properly functioning, if applicable (start date and stop date). Insert the first date of the episode in the column labeled "Start date" and insert the last date of the episode in the column labeled "Stop date"; include as many rows as needed for the quarter. If CEMS was not used during the quarter, or if CEMS was functioning properly during the quarter, do not enter any information in these columns.

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=PNG1}

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The next example shows the next 6 columns:

• If Method 2 (weekly sampling) is selected provide the quarterly CH4 concentration based on results from weekly sampling data
• If Method 2 (weekly sampling) is selected provide the length of time that substitute data are used for the quarterly CH4 concentration data based on results from weekly sampling data used to calculate CH4 liberated from degasification systems
• Was Eq. FF-9 required to calculate CH4 concentration? Select from the pick list
  • If yes, provide the gaseous organic concentration correction factor, used in Eq. FF-9
• Temperature used in Eq. FF-3
• Length of time that substitute data are used for the temperature used in Eq. FF-3

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:id

=PNG2}

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The final example shows the last 4 columns:

• Pressure used in Eq. FF-3
• Length of time that substitute data are used for the pressure used in Eq. FF-3
• Moisture content used in Eq. FF-3
• Length of time that substitute data are used for the moisture content used in Eq. FF-3

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=PNG3}

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