Smell the pathway
Smell Atlas
Follow the pathway, not only the label.
Onset, duration, airflow and nearby systems often separate moisture, drainage, combustion and electrical sources.
Describe your clue →Drain gas01
Sewage odor
Sharp wastewater odor follows a drainage or seal pathway.
- Trigger
- trap loss or drainage pressure
- Strongest location
- fixtures, drains and pipe penetrations
Sensory method
Describe first. Interpret second.
- TriggerWhat changed immediately before it began?
- CycleDoes it follow startup, flow, heating, wind or room use?
- LocationWhere is it strongest, and does that move?
- Stop conditionHeat, smoke, gas or electrical odor changes the response immediately.
