Dry Standard vs Affected Reading

Delta above the unaffected dry standard, a dry/wet verdict, and points still to remove from moisture-meter readings.

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Formula and source

delta = affected_reading - reference_reading (the unaffected dry standard); at_dry_standard = delta <= acceptable_delta; points_to_go = max(0, delta - acceptable_delta).

IICRC S500-2021 dry-standard concept by name: a material is dry when its moisture content matches similar unaffected material in the same structure.

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