30 CFR Subpart D
Multiple-Shot Blasting Units
July 29, 2020
§
7.61
Purpose and effective date
§
7.62
Definitions
§
7.63
Application requirements
§
7.64
Technical requirements
§
7.65
Critical characteristics
§
7.66
Output energy test
§
7.67
Construction test
§
7.68
Firing line terminals test
§
7.69
Approval marking
§
7.70
Post-approval product audit
§
7.71
Approval checklist
§
7.72
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