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EF/ TRI Logo Column Name: PREF_QA_CODE


Description: Contains the results of four quality assurance tests (Test 1 through Test 4 below) used to determine facility location. "ZIP Code Bounding Box" is a rectangle generated from the ZIP Code boundaries, which is defined by the extreme north-south latitude and east-west longitudes, plus 1 kilometer (km) in each direction. The quality assurance tests are:
Test 1 = ZIP Code Bounding Box
Test 2 = ZIP Centroid Proximity
Test 3 = Alternate Coordinate Proximity
Test 4 = Alternate Coordinate Cluster

The results for Tests 1, 2, 3, and 4 are listed left to right in the column, respectively. The possible values and description for each result are:
0 = test was not performed
1 = test was performed and passed
2 = test was performed and failed


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Properties:

Definition Source: TRIS Data Dictionary


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