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Geospatial Research, Analysis and Services Program (GRASP)

Description

Geospatial Research, Analysis, and Services Program (GRASP) Use Geographic Information System (GIS) to: • identify potentially susceptible populations that live near hazardous substances waste sites or emergency events • characterize cases, affected populations, and contamination • analyze relationships between geographic features.

Supplier

Centers for Disease Control and Prevention, Agency for Toxic Substances and Disease Registry (CDC/ATSDR)

Data Years Available

2005 to present

Periodicity

Periodic

Mode

Ad hoc geospatial analysis of road networks data in conjunction with school construction data

Selected Content

N/A

Population covered

N/A

Methodology

Ad hoc geospatial analysis of road networks data in conjunction with school construction data

Response rate and sample size

N/A

Interpretation Issues

Moderately dependent on currency and spatial accuracy of polyline (roads) and point (schools) data. Locational errors in excess of ~25 meters for either feature type will likely result in schools not being captured in 150 meter selection buffer.

References

N/A