1.1 UNDERSTANDING DATA QUALITY CHOICES, CHARACTERISTICS AND LIMITATIONS
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
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
The level of data quality needed depends upon the uses for the information
Increasing data quality
Life or Death
The States Common Measures Project Final Report