An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Grain is an essential source of the world's human and animal food supply. The production value of major grains in the United States is approximately $3.3 billion (U.S.D.) of the $10.1 trillion of the U.S. gross domestic products. Inaccurate grain
This handbook contains examination procedure outlines (EPOs) for the field evaluation of commercial weighing and measuring devices. It includes inspection and test procedures with code references to NIST Handbook 44 - Specifications, Tolerance, and Other