Case Study

Site Remediation

Geospatial Insights for Recreational Space Remediation

Dresdner Robin conducted a large-scale investigation of a large recreational space in New Jersey. The investigation itself involved hundreds of samples. Each sample was analyzed for contaminant levels. The field investigation and sampling were completed with the assistance of a custom web map using ArcGIS Online, which allowed field staff to update boring locations and status in real time, while seeing their current location in relation to all relevant site features and contamination. Information on completed soil borings was logged using a custom Survey123 form that sent that information back to our SQL database.

Exceedance maps were created using ArcGIS Pro and custom Python tools to visualize the samples with contaminants over the specified safety standards. A dynamic symbology coding was developed to organize and display the multiple data points. From there, the extent of contamination was determined and used to create functional areas, or the areas of main concern at the site. These were used as the bounds of the final Theissen-polygon analysis, which was used to perform compliance averaging and determine which areas of the park needed to undergo remediation.

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