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Subchapter 7. General Industry Safety Orders
Group 18. Explosives and Pyrotechnics
Article 120. Mixing Blasting Agents

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§5345. Composition.

(a) The sensitivity of the blasting agent shall be determined by means of a No. 8 test blasting cap or equivalent at regular intervals and after every change in formulation.

Note: Oxidizers of small particle size, such as crushed ammonium nitrate prills or fines, may be more sensitive than coarser products and therefore, should be handled with greater care.

(b) No hydrocarbon liquid fuel with flash point lower than that of No. 2 diesel fuel oil (125o F minimum or legal) shall be used.

(c) Waste oil, including crankcase oil shall not be used.

Exception: The requirements of subsections (b) and (c) do not apply to compositions made under the supervision of qualified personnel capable of determining the overall hazards of the resulting product in its manufacture, storage, transportation and use.

(d) Metal powders such as aluminum shall be kept dry and shall be stored in containers or bins which are moisture-resistant or weather-tight. Fuels shall be used in such manner as to minimize dust explosion hazards.

(e) Peroxides and chlorates shall not be used.

(f) Ingredients shall be measured or proportioned to ensure control of sensitivity and oxygen balance.


Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. Repealer and new section filed 10-17-75; effective thirtieth day thereafter (Register 75, No. 42).

2. Amendment of section and new Note filed 7-11-2003; operative 8-10-2003 (Register 2003, No. 28).

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