Ground-Truthing Validation to Assess the Effect of Facility Locational Error on Cumulative Impacts Screening Tools

Table 3

Distribution of EJSM changes in hazard proximity scores resulting from ground-truth correction by census tract (760 total tracts) in the San Joaquin Valley. Positive values indicate that the hazard score increased for that tract, while negative values indicate a decreased hazard score.

Change in hazard score	Number of census tracts
−4	7
−3	32
−2	77
−1	131
0	200
1	135
2	88
3	62
4	27
5	1