NEHA RS/REHS Exams Study Bundle () Graded A

What are the treatment processes in PRELIMINARY Wastewater Treatment? - Screening Comminution Grit Removal Pre-Aeration Flow Metering / Sampling What are the treatment processes in PRIMARY Wastewater Treatment? - Sedimentation / Flotation What are the treatment processes in SECONDARY Wastewat...

What are the three things that provide protection against radiation? - time, distance, sheilding What scale is used when measuring noise in a sheet metal shop? - The A-weighted scale is most commonly used. It considers frequency, intensity , and impact level. how is ozone created? - Photochemica...

What is the order of the HACCP Plan? hazard analysis, critical control points, critical limits, monitoring procedures, corrective actions, verification procedures, record keeping (assemble team, determine what to be examined, flow diagrams, potential hazards, risk assessment, control) What is th...

How do you filter out giardia lambia? - Rapid sand filtration Pharmaceuticals in water treatment plants are - Both solid and liquid Which mosquito is the highest cause of encephalitis in the US? - Culex What is it called when milk is heated to 191-212 - Pasteurization Order of priority: power ou...

When gas pipe is leaking, what methods would be used by the technician to identify the exact point of leakage? - Using soap bubble solution What is the graphic tool used by meteorologists to give a succinct view of how wind speed and direction are typically distributed at a particular location - ...

The Inverse Square Law is commonly used in which environmental health program areas to calculate the intensity or strength of a substance at a specified distance from the point source? a. radiation, lighting, and noise b. noise, air emissions, and radiation c. radiation, fluoridation in water, ...

Question 1 An action authorized by law to restrict or prevent the movement of goods for the protection of public health, safety and welfare is called Choose one answer. a. an injunction b. an embargo c. an order to cease and desist d. a subpoena - an embargo Question 2 Field observations ar...

Question 1 An action authorized by law to restrict or prevent the movement of goods for the protection of public health, safety and welfare is called Choose one answer. a. an injunction b. an embargo c. an order to cease and desist d. a subpoena - answeran embargo Question 2 Field observati...