Virginia regulations · Through 2026 Regular Session (effective July 1, 2026)

17VAC15-50-70: Densities

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Title 17. Libraries And Cultural Resources
Agency 15. Library of Virginia (Library Board)
Chapter 50. Standards for Computer Output Microfilm (Com) for Public Records
Part V. Microfilming Procedures

All densities shall be consistent throughout the microform. The background density on negative appearing original silver masters shall meet or exceed 1.8. Background density on positive appearing silver masters shall be no greater than 0.30. Measurements are made using a densitometer properly calibrated from a step tablet.

Collected 2026-09-14T04:52:16Z. Source file · JSON

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