Rehs exam wastewater - Study guides, Class notes & Summaries

REHS 2023/ 2024 Exam| Questions and Verified Answers| 100% Correct |Grade A (Latest Update) Q: To prepare a solution of 100 mg per liter available chlorine, _____ of 5.25% bleach with one gallon of water should be used. a. 0.5 oz b. 1.0 oz c. 0.33 oz d. 0.25 oz Answer: 0.25 oz Q: The detention time for waste water in a septic tank is recommended to be a. 6 to 12 hours b. 24 to 72 hours c. 1 week d. none of the above Answer: 24 to 72 hours Q: One of the m...

REHS Exam (2023/ 2024 Update) 500+ Questions and Verified Answers| 100% Correct Q: Which of the following is correct regarding the Lead and Copper contaminants? A. Lead and copper are common source water contaminants B. The MCL for lead is 0.015 mg/L C.Lead sampling is done in the home on 1 liter first draw water samples that have been stagnant at least 6 hours in the pipe D. Lead and copper are treated by coagulation Answer: C.Lead sampling is done in the home on 1 liter first draw w...

REHS/RS Exam Questions With 100% Correct Answers Latest Updated 2024/2025 | Graded | Verified. What is the most common cause for bacterial meningitis in children under five years of age? - Correct Answer-Haemophilus influenza type B How is giardiasis usually transmitted to others? - Correct Answer-person-to-person transfer of cysts from the feces of the infected individual Which of the following duties of state and local health agencies is intended to ensure that the public's health and we...

REHS Exam Questions and Answers - Wastewater Treatment

REHS Exam: Wastewater Questions and Answers 2023

REHS/RS Exam Questions With 100% Correct Answers Latest Updated 2024/2025 | Graded | Verified. How is giardiasis usually transmitted to others? - Correct Answer-person-to-person transfer of cysts from the feces of the infected individual Which of the following duties of state and local health agencies is intended to ensure that the public's health and welfare are protected? - Correct Answer-Regulatory responsibilities What is a measure of the amount of light scattered by particles suspende...

REHS Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - homicide 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. r...

REHS Exam: Review Questions &Answers EBL - ANSWER-elevated blood level iron MCL in water - ANSWER-4ppm radon source - ANSWER-uranium pH of wastewater - ANSWER-6-9 (6.5-8.5avg) nematodes - ANSWER-ancylostoma/necator (hookworms), anisakiasis (roundworm), trichinella (roundworm) cestodes - ANSWER-taenia solium and saginata (tapeworms) trematodes - ANSWER-schistosoma 12 hour incubation - ANSWER-Clostridium perfrigens 2 hour incubation - ANSWER-S. aureus condemn - ANSWER-p...

REHS Exam - Wastewater Treatment Questions with correct Answers

Cole's REHS NEHA Exam Questions With 100% Correct Answers Latest Updated 2024/2025 | Graded | Verified Answers. How do you filter out giardia lambia? - Correct Answer-Rapid sand filtration Pharmaceuticals in water treatment plants are - Correct Answer-Both solid and liquid Which mosquito is the highest cause of encephalitis in the US? - Correct Answer-Culex What is it called when milk is heated to 191-212 - Correct Answer-Pasteurization Order of priority: power outage at restaurant, chlorin...