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REHS-RS Study Guide Questions with Answers. What does photodecomposition in a plastic bottle do in a landfill or waste dump? - Answer Reduce the amount of waste In a newborn hospital wing humidifiers will? - Answer Need to be cleaned frequently due to bacterial growth on the components Whatis LEAST effected when contaminated air is found in a hospital? - Answer Air filtered in the morgue. Whatis the maximum time for industry to generate hazardous waste without a permit? - Answer 90 = large quantity 180 = small quantity What is the best way to prevent groundwater contamination in wells? - Answer Grouting the annular space Where are you least likely to find asbestos? - Answer Ceramic floor tile? (other answers included insulated pipe coverings and wall plaster and asbestos can be found in floor tiling products so if there is an option of NONE OF THE ABOVE...maybe choose that one). What industry does the BISSC deal with? - Answer Baking (stands for Baking Industry Sanitation Standards Committee). Which amendment deals with illegal search and seizure of private property? - Answer 4th (Iv) Groundwater Rule? - Answer Protection against microbial organisms, reducing the risk of fecal contamination of the water for those who use the groundwater supply as a drinking source. Source water? - Answer Untreated water from streams, lakes, aquifers which is ultimately used as the drinking supply for the general public. When filling out a search warrant application what is not necessary to include? - Answer Neighbor's testimony (is information which is not coming from an approved authority...could be hearsay). What are the most common contaminants found in an automobile crank shaft? (Crank case) - Answer Gasoline and phenols When testing for radon in schools where is the best place to test? - Answer Lowest rooms in the building The sand filter is used to remove? - Answer Bacteria and suspended solids from water. oo The formula Q=AIR is used to determine? - Answer Rate of runoff in a watershed What is the importance of Darcy's Law? - Answer It is a derived constitutive equation that describes the flow of a fluid through a porous medium. the law was formulated by Henry Darcy based on the results of his experiment on the flow of water through beds of sand. It also forms the scientific basis of fluid permeability used in the earth sciences. Q=KIA - Answer Groundwater flow, flow through an underground formation. Which is LEAST likely to cause foodborne illness in schools? - Answer Whole vegetables grown at school and cooked in a school cafeteria. A possible cause of methemoglobinemia is? - Answer High concentrations of Nitrates in drinking water Awater treatment plant should have what (according to Salvato)? - Answer A well equipped lab, certified operator, and qualified chemist. (is certified chemist the same as qualified chemist and if the question asks what is NOT needed at a water treatment plant would the answer be "Licensed Plant Manager since certified operator is required to be there). Upon receiving a permit for a temporary food facility the facility should first? - Answer Post the permit in a conspicuous place Which form of Hepatitis is spread by the fecal oral route? - Answer Hepatitis A What is the most common type of food borne illness? - Answer Salmonella A temporary food service caterer may not accept food from which of the following? - Answer Food prepared from home. Whatis most likely happening if a family living in a local housing project starts to feel the following symptoms: headache, dizziness, weakness, pain in the fingernail bed, nausea, and red blotchy skin? - Answer Carbon Monoxide (CO) poisoning. Which type of pool is prohibited from use by most Health Departments? - Answer Fill and Draw pools Whatis the average turnover rate for community pools? - Answer 6 to 8 hours (spas=30 minutes and wading pools=1 to 2 hours) Household hazardous wastes according to RCRA? - Answer Household hazardous waste is EXEMPT from RCRA pt best for placement of head to foot and 5 feet which is best for placement of bed next to one another). Emergency Shelters require how much space? - Answer 30 square feet per person When a sewer line and a fresh water line come into contact with one another what is it called? - Answer Cross Connection Whatis used inside the home to block the passage of sewer gases into the home? - Answer P Trap (on plumbing fixtures) Whatis the direction of wind associated with the operation of a sanitary landfill? - Answer WITH the prevailing winds. What is considered to be NOT overcrowding? - Answer 1.5 people to a room Ahome provides all EXCEPT what to the homeowner/renter? - Answer Protection from accidents Which is considered NOT a violation under HUD's housing code? - Answer Unpainted interior walls What should NOT be used to clean surfaces in a food facility? - Answer Phenols If a building is to be found to have Sick Building Syndrome, what is the first thing you should do? - Answer Evacuate the building What is the most common carrier for Dengue fever? - Answer Mosquito What is one of the major uses of the JIC (Joint Information Center)? - Answer Open communication with the public (to ensure coordination of public information during incidents that involve multiple organizations). Which is least likely to transmit diseases? - Answer Soil How far (what depth) can flies penetrate compacted soil? - Answer 6 inches (5 feet un- compacted) What is the largest contributor to landfills? - Answer Paper goods and wrappings. Scabies is contracted by which of the following ways? - Answer Human to human contact (and is a mite which requires blood for survival). these...wheel chair access, pitching, signage) | think itis pitching pt Before what year would you find lead paint used in homes? - Answer Any homes prior to 1978 Which answer would be best for mostirritation to the eyes when in a swimming pool? - Answer Excess amounts of chloramines (could also be high pH) Whatis the correct waste water cycle? - Answer Coagulation, flocculation, sedimentation, filtration To prevent Psittacosis, what pet should not be brought to a school? - Answer Parrot (bird disease) Who regulates what information is written on shellfish containers? - Answer USDA What is the purpose of blanching? - Answer To stop enzymes and stabilize color Atrailer park is leaking hazardous waste directly on the ground and there is an immediate health threat and the owner will not speak to you, what can you do? - Answer Acquire an injunction notice (injunction = is an equitable remedy in the form of a court order that requires a party to do or refrain from doing specific acts). Waste landfills should be supplemented with what? - Answer A top and bottom liner, leachate collection and removal system and a leak detection system). If there is a clean lake, small fresh water stream involved what would be the best waste disposal system adopted by a small community and a developing community? - Answer Slow sand filtration In emergency situations what should be done to water for disinfection? - Answer Boil (at least 1 minute), 8 drops of iodine tincture per quart, chlorine (regular strength, unscented) per gallon of water and let sit for at least 30 minutes. What does g/ppm represent? - Answer Vapor concentrations (gas concentration). Why are vacuums not recommended for use in hospitals? - Answer Potential to spread hazardous materials/bacteria into the air What food should not be obtained by a food vendor? - Answer Adulterated food items (unsafe or impure food items) After a food borne illness outbreak is detected what is the MINIMUM time period required for food borne illness investigations/ - Answer 12 hours (the range is 12 to 72 hours). What is the recommended detention time for wastewater in a septic tank? - Answer 24 to 72 hours pt If a food receives a maximum amount of unknown pesticide, what is the food considered to be? - Answer Adulterated Which of the following type of filters has the slowest filtration rate? - Answer Cartridge filters Whatis the turnover rate for a spa? - Answer 30 minutes Whatis the maximum hand washing temperature? - Answer 98-110 degrees The HACCP plan applies to what? - Answer Products and processes (beef and chicken primarily) What does a psychrometer measure? - Answer Dew point (humidity) Several workers in a building are complaining of headaches, nose and throat problems. Inspectors assume that it is sick building syndrome, where would you begin your investigation? - Answer The HVAC system When using the Sous-vide method in food processing what bacteria is most likely to be found? - Answer Clostridium Botulism A gram-negative phosphates test of a milk product indicates what? - Answer If the milk has been properly pasteurized The removal of sludge can be disposed of by all of these except? - Answer Ocean disposal (sludge CAN be removed by land disposal, trickling filter, and/or incineration. To properly remove Giardia cysts which of the following must occur. - Answer Filter 500g of water through a 1 micron filer Polio is what type of communicable disease? - Answer Virus Amoebic dysentery is caused by what? - Answer Protozoa (entamoeba hystolica) Typhoid fever is caused by what genus? - Answer Salmonella (Thyphe can contaminate water and food) When using a DPD color test for pool, what should you do to best determine the actual color? - Answer Hold it against a white sheet of paper. What is myasis? - Answer Maggots in babies' noses (flies depsit larvbae which attach to the skin). What is the most permanent method of mosquito control? - Answer Remove the breeding areas (Drain all bodies of water) ot Which major food borne illness is spore-forming? - Answer Bacillus Cereus When assessing a site for a future treatment plant against regulations what is this called? - Answer EIS - Environmental Impact Survey Whatis the best setback distance between a water line and sewer line in a trailer park? - Answer 10 ft The effluent strength of wastewater is the? - Answer Biochemical Oxygen Demand Which of the following is NOT a criterion for a trailer park? - Answer Roads must be 18 feet wide??? (that might be the answer, but Salvato also states that roads CAN BE 12 feet wide, 24 feet wide 2 way, and 34 feet wide 2 way with parking) What is the total amount of hazardous waste an industry can produce without complying to RCRA requirements? - Answer 220 lbs same as 100 kg For a review of a temporary food establishment what is not needed for submittal? - Answer Copy of license. (What is needed is equipment list, menu and facility layout) When storing food in a refrigerator, the best way to maximize air use is to? - Answer Store food containers with space for air circulation around the corners, store with space around them). What is the vector known to cause Rocky Mountain Spotted Fever? - Answer Dermacentor (NOTE: Ixodes are the ticks that cause lyme disease) What should be used around water/pools to prevent shocks and electric hazards? - Answer GFCI sockets (outdoor use), GF sockets (indoor use). Product specifications include all of the following except? - Answer Granular (specs include weight, quality, and content) Milk with the date 8/5/13 on the bottle is found in the store shelf during an inspection which was conducted on 8/8/13. What does this date refer to? - Answer Sell-by date What is the best way to protect the public water system from bioterrorism? - Answer Take routine samples of the water on Turbidity is measured in what? - Answer NTU's - (and possibly TSS - total suspended solids) The biological effects of radiation on living organisms during their lifetime are called what? - Answer Somatic Symptoms from chemical food poisoning can be seen within? - Answer 1 hour To prevent illness, whole shelled eggs should be? - Answer Stored at 41 degrees or below (45 degrees acceptable) Whatis the great risk associated with handling blood borne pathogen? What are you at the greatest risk of catching? - Answer Hepatitis and/or HIV pt 
