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.
Check the water absorption rate of the tile before. grouting. Unglazed quarry tile or semi-vitreous tile with. 5% water absorption or higher must be protected. Use. a protective coating, such as Southcrete 901 Clear. Penetrating Sealer & Grout Release. Sealers and waxes are also used to protect grout joints. Wait at least three (3) weeks before using. The use of. SGM Grout Sealer will give a âwetâ look and create a. protective film over the joint. Tile installations on concrete or masonry substrates. may develop surface discoloration due to efflorescence.