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Geospatial Quality Council

GIS-QA Evaluation Guidance

Project Scoping
What is the purpose of the project?
What will the results be used for?
How will the results be viewed?
Input Data Requirements
Coverage by date (temporal requirement)
Coverage by area (areal extent requirement)
Accuracy requirement
  Positional (e.g., line boundaries, points, areas)
  Attribute (e.g., location linked information)
Completeness of data
Potential/acceptable Lineage or Source (i.e., documentation)

Processing software requirements (e.g., software, size of data sets, run time, relevant models and assumptions, format, projections)

Lineage or Source Information
What was the source of the data?
Did the producers have written data quality goals (or standards) and standard operating procedures?
In what medium was it originally produced?
How was the data checked by the producer?
For what purpose was the data compiled?

What is the reliability of the provider?

Environmental Sciences | Research & Development
National Exposure Research Laboratory
Send questions or comments to the ESD Info Desk (contractor operated)
(Library-lv@epa.gov)


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