49 CFR 172 Special Provision 147 (Numeric Codes)

These provisions are multi-modal and apply to bulk and non-bulk packagings.
Code147
DescriptionThis entry applies to non-sensitized emulsions, suspensions, and gels consisting primarily of a mixture of ammonium nitrate and fuel, intended to produce a Type E blasting explosive only after further processing prior to use. The mixture for emulsions typically has the following composition: 60-85% ammonium nitrate; 5-30% water; 2-8% fuel; 0.5-4% emulsifier or thickening agent; 0-10% soluble flame suppressants; and trace additives. Other inorganic nitrate salts may replace part of the ammonium nitrate. The mixture for suspensions and gels typically has the following composition: 60-85% ammonium nitrate; 0-5% sodium or potassium perchlorate; 0-17% hexamine nitrate or monomethylamine nitrate; 5-30% water; 2-15% fuel; 0.5-4% thickening agent; 0-10% soluble flame suppressants; and trace additives. Other inorganic nitrate salts may replace part of the ammonium nitrate. These substances must satisfactorily pass Tests 8(a), (b) and (c) of Test Series 8 of the UN Manual of Tests and Criteria, Part I, Section 18 (IBR, see Sec. 171.7 of this subchapter), and may not be classified and transported unless approved by the Associate Administrator.
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