REGULATIONS TEST BANK ELITE REVIEW WITH
100% CORRECT VERIFIED SOLUTIONS
◉Pathogenic Microorganisms . Answer: Microorganisms found in
sewage, including bacteria, viruses, helminths, protozoa, and
spirochetes, associated with various diseases such as shigellosis,
salmonella infections, infectious hepatitis A, and others.
◉Primary Sedimentation . Answer: Process removing 0-30% of all
viruses, 50-90% of bacteria, taenia ova, and cholera vibrio, 10-50% of
Entamoeba histolytica, 30-50% of ascaris, and 80% of schistosomes in
wastewater treatment.
◉Trickling Filters . Answer: Treatment system removing 90-95% of
viruses, bacteria, and cholera vibrio, 50% of Entamoeba histolytica, 70-
100% of ascaris, 50-99% of schistosome ova, and 50-95% of taenia ova.
◉Activated Sludge Treatment . Answer: Process removing 90-99% of
viruses, bacteria, and cholera vibrio, 50% of Entamoeba histolytica, 70-
100% of ascaris, and 50-99% of taenia ova in wastewater treatment.