Envirologix: Putting Science to the Test

USDA - GIPSA Sampling & Testing Guides

USDA/GIPSA Sample Planner Excel Spreadsheet
The USDA/GIPSA has developed a useful tool to assess the probabilities associated with detecting different concentrations of GM varieties in a sample based on different assumptions and sub-sample sizes.

Sample Planner Spreadsheet






Further links for USDA GIPSA background documents regarding separating and sampling grain:

Book I, Grain Sampling, sets forth the policies and procedures for sampling grain in
accordance with the regulations under the United States Grain Standards Act: Grain Sampling Handbook

Inspecting Grain: Practical Procedures for Grain Handlers
This guidance document can be viewed at the following USDA website: Inspecting Grain

PDF files, where provided, require Adobe Acrobat Reader.

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