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Division Equation 4: Substitution for missing data for measurement-based methodologies

United Kingdom

Original text. Later amendments are not shown.

C * subst = C – + 2σ C _

Where:

C –

  • the arithmetic mean of the concentration of the specific parameter over the whole reporting period or, where specific circumstances applied when data loss occurred, an appropriate period reflecting the specific circumstances;

    • σ C_

  • the best estimate of the standard deviation of the concentration of the specific parameter over the whole reporting or, where specific circumstances applied when data loss occurred, an appropriate period reflecting the specific circumstances.