Spatial Analysis and Data

Context Setting and Crosswalks

Kathy Alborado

Chamber Policy Committee Co-Chair

CEO, Helios HR
Chamber Policy Committee

Providing insight on location relevance

Comparing site characteristics with other locations

Ever wonder which regions match your current field or test site? Crosswalk and context setting can provide the answer. These assessments provide insight on the relevance of your study location by comparing site characteristics with other locations. 

Do you have questions about our Spatial Analysis and Data work?

Contact Waterborne's Global Spatial Analysis and Data lead, Nathan Snyder, at

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Our Context Setting and Crosswalks Work

In a crosswalk you can compare ecoregions or site characteristics with other regions. We determine if test site soils exist elsewhere in the world. Crosswalks are conducted in support of USEPA, PMRA, NAFTA and OECD guidelines for use of soils in terrestrial field studies. Being able to demonstrate that similar soils exist has the potential to limit the number of new field studies that need to be conducted as part of pesticide registration. Waterborne uses the OECD ENASGIPS tool in Europe and North America but we can also apply this anywhere else in the world.

As part of a context setting effort, our experts determine which inputs are relevant to your needs. For each input, a distribution function can be created, and the test location plotted on the distribution. This shows where your site(s) falls on the distribution compared to other locations. 

In addition, our experts provide many other support services to aid with registration of pesticides or a sustainability assessment of your product. We offer the following services: 

  • Visualization of specific parameters that may impact your product such as pH or soil criteria.
  • Refinements of percent crop areas (PCA): Although USEPA has a set of standard PCAs for use at the national and regional scale, they may not provide sufficient detail at the watershed level or potential pesticide use area. GIS is used to develop a more realistic PCA based on specific product uses while incorporating the latest crop information. The resulting PCA can then be used in higher-tier modeling assessments.
  • Label assessments: We evaluate existing or new use labels based on use patterns, crops, and buffer distances to determine the market impact of the label.
  • Endangered Species proximity analysis and pesticide use site assessments for USEPA: Our team will gather best available information on endangered species locations, develop up-to-date pesticide use site datasets based on label information and determine if co-occurrence takes place. Based on this information we can determine suitable mitigation strategies.

Our expertise/services areas are:

  • Data Research, Acquisition and Analysis
  • Database/Data System Development
  • Spatial Analysis
  • Programming & Automation
  • Spatial Modeling
  • Aquatic Dissipation Studies
  • Terrestrial Field Dissipation Studies