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Evaluation And Determination Of Sensitivity And Electromagnetic Interactions Of Commercial Blasting Caps
  • Published Date:
    8/1/1973
Filetype[PDF - 6.40 MB]


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Evaluation And Determination Of Sensitivity And Electromagnetic Interactions Of Commercial Blasting Caps
Details:
  • Personal Authors:
    Thompson, R. H.
  • Collection(s):
    National Institute for Occupational Safety and Health
  • Description:
    Six different types of blasting caps, mainly of the type used in coal mines, were evaluated to determine both their 1lF and DC characteristics. Two of the caps were of foreign manufacture. All the American made caps had "no-fire" (0.1% firing probability with 95% confidence, as determined by the Bruceton test) levels above 0.04 watts. One of the caps of foreign manufacture had a "no-fire" level of 0.023 watts. A worst case analysis of blasting cap pick up of RF power in coal mines was performed and safe distance curves were generated.

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