Cole's EHS NEHA Exam Study Guide Exam

Cole's EHS NEHA Exam S tudy Guide Exam How do you filter out giardia lambia? - Answer Rapid sand filtration Pharmaceuticals in water treatment plants are - Answer Both solid and liquid Which mosquito is the highest cause of encephalitis in the US? - Answer Culex What is it called when milk is heated to 191-212 - Answer Pasteurization Order of priority: power outage at restaurant, chlorine gas leak at pool, no hand sin k at food festival - Answer Chlorine gas, power outage, no hand sink What is an antibacterial agent used on skin tissue called ? - Answer Antiseptic What is the most common cockroach in US? - Answer German What type of cockroach is referred to as a water bug? - Answer Either American or Oriental What is the minimum distance between a water line and a sewer line in a trailer park? - Answer 10 ft What is the slope for ramps determined by the Americans with Disabilities Act (ADA) - Answer 1:12 or less NSF and USL are organizations that - Answer Certify food service equipment. What is the amount of soil you must put on a finished landfill - Answer 24 in ches What is most likely to carry Hantavirus? - Answer Rodents Which is least likely to cause bites and itching in an urban setting - Answer Ticks What does HACCP stand for? - Answer Hazard Analysis and Critical Control Points Methemoglobinemia (a blood disorder) is caused by : - Answer Nitrates Hazardous waste : CRIT - Answer Corrosive, reactive, ignitable, toxic Organization that tests breathing apparatus - Answer OSHA Who is the incident commander? - Answer The person with jurisdiction, person responsible for all aspects of emergency response What is the calculation for pool turnover rate? - Answer Turnover rate (hours)= poo l volume (gallons) / flow rate (gallons per minute) x 60 (minutes per hour) Sous vide foods can lead to what foodborne illness? - Answer Clostridium botulin um What can you use after a national disaster? - Answer Canned goods Where do you store iced fish in the refrigerator? - Answer Below ready to eat foods and above raw meats What is considered comminuted? - Answer Hot dogs and hamburgers What is bacteria that cannot grow in oxygen called? - Answer Anaerobic Which of these is different from the others? NSF, UL, ASNI, TLE - Answer TLE Freezing a toxin will have what affect? - Answer No affect True of false? Alpha particles are easily absorbable - Answer True (easiest to absorb to hardest to absorb: gamma , beta, alpha), What can alpha particles be blocked by? - Answer A sheet of paper (beta can pa ss through paper, stopped by aluminum. Gamma is difficult to stop, needs concrete or other heavy shielding What kind of respirator do you need in 15% oxygen - Answer SCBA (self containe d breathing apparatus Who regulates proper respirators? - Answer OSHA (occupational safety and health administration) What is the gap in an ice machine for? - Answer Air gap to prevent backflow contamination Giardia cyst concentration that causes disease - Answer 500:1 What mosquito carries malaria? - Answer Anopheles What cockroach is most common in urban areas - Answer German What was modeled after the National Emergency Response - Answer NIMS (national incident management system) The REHS did something that they knew was unlawful and they did it in an unappr oved way - Answer Malfeasance What role can REHS perform when helping with an ice machine to prevent contamination - Answer Create a cleaning schedule There has been a flood and the septic tank has not been buried. What is a co ncern for pumping? - Answer Floating of the tank Noscomial infections are most severe in - Answer Hospitals Which airflow from hospitals is least critical? - Answer Hallway to dirty laundry area What is NIMS? - Answer National Incident Management System , a systematic proactive approach to guide departments and agencies at all levels of government What is ICS? - Answer Incident Command System , a systematic tool for the command, control, and coordination of emergency response Depth to water table of six inches requires a - Answer Sand mound Fast food facilities create the most - Answer F.O.G (fats, oil, grease) Which bacteria does HACCP target? - Answer Listeria monocytogenes Prevailing winds ... - Answer Blow predominantly from a single direction over a particular point on earth's surfa ce What is the first thing you do if you come across mold in a room? - Answer Open a window What is the effect of adding co2 to a septic tank? - Answer Lowers ph What disease is commonly spread through wastewater? - Answer Hep A What guidance do you give a homeowner with a new septic tank? - Answer Pump regularly What is the best system for a small community? - Answer Rapid sand Nitrogen is transformed into what during conventional biological processes? - Answer Ammonia and biological sludge