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.
2 SCOPE This policy is to inform and instruct staff of what actions to take on the discovery orinvolvement with a spillage of biologically hazardous material (blood, body fluids ormicro-organisms) or a chemical substance.irst steps should be: â¢ Inform others that you intend to deal with the spill. Two trained members of staffshould act as a response team. Someone should watch from a safe distance,preferably through an observation window.â¢ If a flammable liquid is spilt:- Eliminate ignition sources, such as naked flames.