Evaluation of the toxicity and hazard of waste resulting from municipal sewage purification and sediment incineration

: Municipal waste water, sand box sewage sludge, floating substances, raw tank sediments, biological solids, a mixture of compacted and dewatered sediments, flue gases, ashes, and smoke waste products (GOST 12.1.007-76) are referred to as hazard classes 3 and 4. The authors consider the conditions contributing to the occurrence of acute and chronic intoxications of the personnel, lung fibrous lesion, infectious diseases, helminthic invasions, environmental pollution at the basic stages of municipal waste treatment and sediment utilization,