"Sewage is one of the most dangerous substances to enter homes or buildings. It contains fungi, bacteria and viruses, many of which are disease-causing. Unfortunately, many people fail to understand the hazards that sewage presents, particularly for the very young or very old, or for those with compromised immune systems or respiratory problems."
The IICRC complied guidelines for professional sewage clean-up called the Standard for Water Damage Restoration (S500)
Click on the Link below to Read the IICRC Standards