It's possible that sewer gas
has backed up into your house because one or more of your sewer traps have opened up.
The WHO environmental team verified, through odor detection and smoke tests, that sewer gas
and aerosolized droplets were being drawn into the bathrooms from the plumbing system, with sewer gas
velocity and droplet volume in direct proportion to fan power.
The test is performed under controlled conditions in an airtight chamber with a constant temperature of 150 degrees Fahrenheit where specimens are immersed into the aqueous solutions three times daily' for a period of 15 minutes, then exposed to the sewer gas
the balance of the time.
and aerosolized droplets were drawn into the bathrooms through the floor drains.
50 Years Ago Wolverhampton firemen wearing breathing apparatus yesterday rescued two Birmingham brothers who were overcome by sewer gas
while at work lining a sewer 20ft below the ground, at Wolverhampton.
The most common component of odor in sewer gas
is hydrogen sulfide with lesser concentrations of other odorous compounds.
The house trap (1) prevents sewer gas
from escaping from the city sewer or septic tank back into the house.
It could also be that you are smelling the sewer gas
exhausting from the plumbing vent stack on the roof.
We have seen tremendous success with Spirolite HDPE manholes and structures being specified in lieu of concrete because the material is impervious to the corrosive effects of the sewer gas
in sanitary sewers," said Hank Jones, Western Flow marketing partner, who consulted on the design.
Even worse, vacuum can suck all the water out of traps, allowing sewer gas
to flow freely into your home.