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8. SENSITIVITY<br />

8.1 Drop Weight Impact Height.<br />

8.5 Spar:k Sensitivity.<br />

Electrode -<br />

Type Tool<br />

Hf.0<br />

(cm)<br />

12 12<br />

12R 37<br />

Lead Foil Sample<br />

Thickness Size<br />

(mils) bd<br />

Energy<br />

(J)<br />

Occurrence<br />

of Explosion<br />

(%)<br />

Bass 3 47.2 0.19 50<br />

&ass 10 47.2 0.36 50<br />

Steel 1 50.0 0.10 50<br />

Steel 10 50.0 0.41 50<br />

REFERENCES<br />

PETN<br />

1. T. Urbanski, Chemistry and Technology of Explosives, Vol. II (Pergamon<br />

Press, Oxford, 1965).<br />

2. Committee on Threshold Limit Values, Documentation of Threshold Limit<br />

Values, 3rd Ed. (American Conference of Governmental Industrial Hygienists,<br />

Cincinn.ati, Ohio, 1971).<br />

3. T. L. Davis, The Chemistry of Powder and Explosives (John Wiley and Sons,<br />

Inc., New York, 1941).<br />

4. Code of Federal Regulations, 49, Transportation Parts 100-199, Rev. 12-l-76<br />

(Office of the Federal Register, General Services Administration, Washington,<br />

DC, 1976).<br />

139<br />

_’ .‘=i

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