How can a septic tank be - Study guides, Class notes & Summaries

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...

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 welfare are protected? - Correct Answer-Regulatory responsibilities What is a measure of the am...

Is this statement true or false? Fiberglass and flexible plastic piping do not need to have cathodic protection. - False. Cathodic protection - a technique used to control the corrosion of a metal surface by making it the cathode of an electrochemical cell. A simple method of protection connects the metal to be protected to a more easily corroded "sacrificial metal" to act as the anode. Fill in the blank to make the statement correct. Owners and Operators must keep the most recent ___ re...

Oregon Cosmetology law Exam Questions and Answers Latest (100% Verified) . Chemical waste must be disposed of in ANS A covered fired retardant container 2. The EPA check products to make sure disinfectants are ANS Safe for people to use 3. An item used for a beauty service is an ANS Aricle 4. An establishment in which practitioners preform acts of hair, nails, or facialsis a ANS Facility 5. How many days notice must you give the board before "closing the business" ANS 30 Days 6. Wh...

Cole's EHS NEHA Exam Questions With 100% Correct Answers Latest Updated 2024/2025 | Graded. 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, chlorine gas leak at pool, ...

Oregon Cosmetology law Exam Questions and Answers Latest (100% Verified) Chemical waste must be disposed of in ANS A covered fired retardant container 2. The EPA check products to make sure disinfectants are ANS Safe for people to use 3. An item used for a beauty service is an ANS Aricle 4. An establishment in which practitioners preform acts of hair, nails, or facialsis a ANS Facility 5. How many days notice must you give the board before "closing the business" ANS 30 Days 6. When ...

Wastewater Class B Texas The name of the State Agency responsible for enforcing pollution control laws in Texas - Texas Commission of Environmental Quality The term pathogenic means - Capable of causing disease The minimum separation between sewer lines and potable water lines is - 9 feet A licensed wastewater operator is a professional - consistently does best job possible, practices personal safety, strives to improve job knowledge, strives to keep the plant and collection syste...

The name of the State Agency responsible for enforcing pollution control laws in Texas - Texas Commission of Environmental Quality The term pathogenic means - Capable of causing disease The minimum separation between sewer lines and potable water lines is - 9 feet A licensed wastewater operator is a professional - consistently does best job possible, practices personal safety, strives to improve job knowledge, strives to keep the plant and collection system in the best appearance and wo...

Is this statement true or false? Fiberglass and flexible plastic piping do not need to have cathodic protection. - False. Cathodic protection - a technique used to control the corrosion of a metal surface by making it the cathode of an electrochemical cell. A simple method of protection connects the metal to be protected to a more easily corroded "sacrificial metal" to act as the anode. Fill in the blank to make the statement correct. Owners and Operators must keep the most recent ___ re...

Texas Class C Wastewater Treatment License Questions And Answers Latest 2024/2025 Graded A+. What stage of treatment is grit removal usually accomplished in? - ANSWERpreliminary treatment Rotating Biological Contactor - ANSWER-a type of biological secondary treatment process How are protozoa (cause of amoebic dysentery) destroyed? - ANSWER-disinfection Other than stream discharge, what are other ways to dispose of effluent wastewater? - ANSWER-aquifer recharge, evaporation in a pond, and ap...