Shigella sonnei (the most common species in the U.S.) Shigella flexneri; Shigella boydii; Shigella dysenteriae; The transmission of most Shigella infections is caused by the bacterium passing from stools or soiled fingers of one person to
System maintenance. One advantage of the septic tank/absorption field system is that it has no moving parts, but it does require maintenance. Annual inspections of your septic system are recommended to ensure that it is working properly and to determine when scum and sludge in the septic tank should be cleaned out.
When insulating a shed roof you need to ensure that there is at least a 2 gap above the top of the insulation and that there are ventilators at the eaves. The ventilators allow air to flow in one side and out the other bringing in fresh air and exhausting the moist and damp air from above the insulation.