Sewer maintenance vehicles are
difficult to maneuver
At low concentrations, hydrogen sulfide smells like
Rotten Eggs
which safety hazard in a collection system operations can be detected by an insturment?
Toxic Gases
What must be checked first before entering a manhole?
P...
CWEA COLLECTIONS GRADE 1
Sewer maintenance vehicles are - correct answer difficult to maneuver
At low concentrations, hydrogen sulfide smells like - correct answer Rotten Eggs
which safety hazard in a collection system operations can be detected by an insturment? -
correct answer Toxic Gases
What must be checked first before entering a manhole? - correct answer Proper barricades or
warning devices around manhole.
When should field crews use signs and cones? - correct answer When over half the street is
blocked.
The different zones of traffic control include - correct answer buffer
Elements of defensive driving include - correct answer having your vehicle under control
The primary function of an entry supervisor is to - correct answer maintain overall saftey of
permited confied space operations
What should be the alarm set point for oxygen in an atmospheric monitoring/testing device? -
correct answer 19.5%
Warning,caution,danger,on a label means - correct answer Hazardous
MSDS means - correct answer Material Data Safety Sheet
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