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 Chapter 1
Safety Overview
1.1 Job Briefing
1.2 Evaluation of Potential Hazards
1.3 Stray Voltage Testing
1.4 Atmospheric Testing
1.5 Order of Testing
1.6 Air Sampling Procedures for 
 Manhole Atmospheres
1.7 Sampling Procedures for 
 Manhole Atmospheres
1.8 Forced Air Ventilation
1.9 Ventilation Procedure
1.10Trained Attendant
1.11 Myths about Hazardous Atmospheres
   





















































































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