What Are The Harmful Effects Of Disposing Of Untreated Sewage In Water Bodies? Untreated sewage also destroys aquatic ecosystems, threatening human livelihoods, when the associated biological oxygen demand and nutrient loading deplete oxygen in the water to levels too low to sustain life. What will happen if wastewater is not treated and thrown in water
What Is The Best Example Of Biological Contamination Food Handlers? Biological contaminants include bacteria, viruses, animal dander and cat saliva, house dust, mites, cockroaches, and pollen. There are many sources of these pollutants. What are examples of biological food contamination? Norovirus. Listeria. Salmonella. E. coli. Campylobacter. What is the best example of biological contamination? Biological
What Steps Can You Take To Minimise The Risk Of Microbiological Contamination? Wash your hands with good technique. Sick people stay home from work. Shut out the animals, both wild and domestic. Manage your water, as it’s a source of contamination and potential spread. Clean and sanitize all surfaces and equipment with the correct products.