Contact reporters with potential data issues
Another key component of data quality assurance is to contact facilities with potential data issues to verify reported data. The reporters of the data can often confirm whether anomalous data points are accurate. For example, a reported ten-fold increase in releases of a chemical between consecutive years at first may appear to be an error, but upon contact with the facility the ten-fold increase is confirmed. A facility may also be able to confirm a reporting error and provide revised information to resolve the issue. Contact may take the form of phone calls, e-mails, letters, or site visits.
For a cost-effective management scheme, you may wish to implement the next sub-element (Establish Error Correction Procedures) or choose another element from the Management scheme elements list.