30 CFR Subpart E
Diesel Engines Intended for Use in Underground Coal Mines
July 29, 2020
§
7.81
Purpose and effective date
§
7.82
Definitions
§
7.83
Application requirements
§
7.84
Technical requirements
§
7.85
Critical characteristics
§
7.86
Test equipment and specifications
§
7.87
Test to determine the maximum fuel-air ratio
§
7.88
Test to determine the gaseous ventilation rate
§
7.89
Test to determine the particulate index
§
7.90
Approval marking
§
7.91
Post-approval product audit
§
7.92
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