Rehs onsite wastewater Study guides, Class notes & Summaries

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, no hand sink at food festival - Correct Answer-Chlorine gas, power outage, no hand sink Wha...

Biochemical Oxygen Demand (BOD) - correct answer The difference between the initial dissolved O2 in a water sample and dissolved O2 in a duplicate sample after a stated period of time (usually 5 days). Best single measure of wastewater or polluted water. Chemical Oxygen Demand (COD) - correct answer A measure of the amount of O2 chemically consumed by the oxidation of organic and oxidizable inorganic materials in a water sample. Good for measuring industrial wastes. Domestic Sewage - corre...

REHS - Onsite WastewaterBOD definition and how its measured - correct answer Biological oxygen demand. Best single measure of WW or polluted water difference between initial dissolved O2 and dissolved O2 after stated period of time (usually 5 days = BOD5) COD definition and how its measured - correct answer Chemical oxygen demand. Measure of industrial wastes, amount of O2 chemically consumed by the oxidation of organic and oxidizable inorganic materials Difference between initial dis...

REHS_Big_Practice_Exams 1,2&3 Q&A Updated Spring 23/24. REHS REVIEW BIG PRACTICE EXAM 1: 1. The most important factors in the xmsn of waterborne disease is: A) indirect contact and virulence B) dosage and virulence C) direct contact and dosage D) fomite and pathogen 2. In many jurisdictions, what needs to be issued before a newly constructed building, structure, or business can be opened, used, or occupied? a. Eminent domain b. Deed to the property c. Certificate of use or occupanc...

Cole's EHS NEHA Exam Study Guide With Complete Solution 2023 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 outage at restaurant, chlorine gas leak at pool, no hand sink at food festival - Chlorine gas, power outage, no hand sink What...

Cole's EHS NEHA Exam Study Guide, Questions and answers, 100% Accurate, graded A+ 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 outage at restaurant, chlorine gas leak at pool, no hand sink at food festival - -Chlorine gas, power ...

REHS_Big_Practice_Exams 1,2&3 Q&A Updated Spring 23/24. REHS REVIEW BIG PRACTICE EXAM 1: 1. The most important factors in the xmsn of waterborne disease is: A) indirect contact and virulence B) dosage and virulence C) direct contact and dosage D) fomite and pathogen 2. In many jurisdictions, what needs to be issued before a newly constructed building, structure, or business can be opened, used, or occupied? a. Eminent domain b. Deed to the property c. Certificate of use or occupancy d. Writ of h...

REHS_Big_Practice_Exams 1,2&3 Q&A Updated Spring 23/24. REHS REVIEW BIG PRACTICE EXAM 1: 1. The most important factors in the xmsn of waterborne disease is: A) indirect contact and virulence B) dosage and virulence C) direct contact and dosage D) fomite and pathogen 2. In many jurisdictions, what needs to be issued before a newly constructed building, structure, or business can be opened, used, or occupied? a. Eminent domain b. Deed to the property c. Certificate of use or occupancy d. Writ of h...

Cole’s EHS NEHA Exam Study Guide Who becomes the incident commander in emergency situations? First onsite senior emergency response official What determines sewage strength? BOD (biochemical oxygen demand) When you add a disposal to a kitchen and septic system, what do you expect to see an increase in? BOD What are the 6 primary air pollutants? Carbon monoxide, lead, nitrogen dioxide, ozone, particle pollution, sulfur dioxide What is the appropriate level of cynuric acid in a swimming pool? 3...

Biochemical Oxygen Demand (BOD) The difference between the initial dissolved O2 in a water sample and dissolved O2 in a duplicate sample after a stated period of time (usually 5 days). Best single measure of wastewater or polluted water. Chemical Oxygen Demand (COD) A measure of the amount of O2 chemically consumed by the oxidation of organic and oxidizable inorganic materials in a water sample. Good for measuring industrial wastes. Domestic Sewage used water from a home or community. In...