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1.1 UNDERSTANDING DATA QUALITY CHOICES, CHARACTERISTICS AND LIMITATIONS

      • 1.1.1

        What IS Data, Anyway?

        • Data is what is used to measure the indicators of environmental performance of selected groups.

What Kinds Of Data Could We Use?

  • “Environmental Quality Data” : chemical, physical or biological characteristics of:

    • Air, water, soil

    • Emissions, discharges, wastes or raw materials

  • “Performance Data”

    • Are facilities taking the actions that we want them

to (recordkeeping, operation and maintenance, monitoring, using right materials, managing wastes properly, engaging in P2 etc.)?

INCREASING COST OF QUALITY CONTROL

Important Context

The level of data quality needed depends upon the uses for the information

Interesting Anecdote

Planning

Increasing data quality

Enforcement

Life or Death

The States Common Measures Project Final Report

20

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