CWEA Grade 1 and 2 Tests Collection Systems Maintenance Q&A Latest Update

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CWEA Grade 1 and 2 Tests Collection Systems Maintenance | Q&A Latest 2025/2026, 100% PASS Why are gasoline and volatile solvents objectionable when present in a sewer? - Answer -They produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless - Answer -You know what you are doing, are qualified and are authorized What are the different areas of traffic zones? - Answer -Advance Warning Area, Transition Area, Activity Area (buffer space and work space), Termination Area. Could be 4 or 5, justify your answer on the test! why should hydrogen sulfide be controlled? - Answer -to protect from corrosion and odors Personnel entering a Permit Required Confined Space must have the following training - Answer -entry and rescue To find protective gear before application of a product, you should: Answer -look at the MSDS The gas most commonly associated with septic wastewater is - Answer Hydrogen Sulfide The lack of an unpleasant odor in a manhole, lift station or other structures does not always mean that dangerous gases are not present