Abstract
This publication is intended as a guide for persons responsible for obtaining classifications and approvals for explosive compounds, mixtures, or devices from the U.S. Department of Transportation (dot). It deals with the procedures for obtaining a recommendation for classification of an explosive compound, mixture, or device through the Bureau of Mines. Completion of the procedures detailed in this guide is necessary to obtain a final classification of an explosive compound, mixture, or device and assignment of an "ex" number by dot, which will allow the producer to offer the explosive for shipment within the United States. This guide also gives procedures for obtaining united nations classification for shipping outside the United States.
