RS jenniferstraling

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jenniferstraling
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265470
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RS jenniferstraling
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2016-07-08 16:17:52
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My RS quiz cards
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  1. What is the MOST common cause of bacterial meningitis in children under five years of age? 

    A) Neisseria meningitides 
    B) Streptococcus pneumoniae 
    C) Haemophilus Influenzae type B
    D) Group B Streptococci 
    C) Haemophilus Influenzae type B
    (this multiple choice question has been scrambled)
  2. 1.     Common causes of failure of septic tank
    seepage field systems include improper sizing,nonsuitable soil, nonservicing,
    and 

    A) excessive use of laundry detergents. 
    B) use of wetting agents.
    C) leaking kitchen and bath fixtures. 
    D) insufficient nutrients.
    C) leaking kitchen and bath fixtures.
    (this multiple choice question has been scrambled)
  3. 1.     Which of the following is the MOST critical step before detailed
    information is collected? 

    A) Determine how the information will be used.
    B) Determine how much time will be needed for data collection. 
    C) determine how often updates will occur. 
    D) Determine how much time will be needed for data processing.
    A) Determine how the information will be used
    (this multiple choice question has been scrambled)
  4. 1.     How is Giardiasis USUALLY transmitted to others? 

    A) Drinking unfiltered water from streams and lakes 
    B) Drinking unadequately chlorinated water from minicipal water distribution
    system
    C) Drinking unboiled water from steams and lakes 
    D) Person-to-person transfere of cysts from the feces of the infected individual
    D) Person-to-person transfere of cysts from the feces of the infected individual
  5. 1.     Which of the following duties of state
    and local health agencies ensures that public health and welfare are protected?

    A) Statutory administrative action
    B) Plan implementation
    C) Regulatory responsibilities
    D) Community-intensive planning
    C) Regulatory responsibilities
    (this multiple choice question has been scrambled)
  6. 1.     Which of the following is a measure of
    the amount of light scattered by particles suspended in a water test sample?

    A) Hydrosyntalic Turbidity Units (HTU)
    B) Nephelometric Turbidity Units (NTU)
    C) Lorcetic Turbidity Units (LTU)
    D) Formazin Turbidity Units (FTU)
    B) Nephelometric Turbidity Units (NTU)
    (this multiple choice question has been scrambled)
  7. 1.     What is an epidemic?

    A) The presence of an infectious agent on a body surface
    B) The occurrence in a community or region of cases of an illness clearly in excess of
    expectancy
    C) The presence of infection in a host without clear, recognizable clinic
    symptoms
    D) The constant presence of a disease within a community or region
    B) The occurrence in a community or region of cases of an illness clearly in excess ofexpectancy
  8. 1.     What portal of entry should a field
    sanitarian protect to avoid contracting Lyme disease?

    A) Digestive tract
    B) Skin
    C) Respiratory tract
    D) Reproductive organs
    B) Skin
    (this multiple choice question has been scrambled)
  9. 1.     Swimmer's itch is a common name for
    which of the following diseases?

    A) Schistosomiasis
    B) Subdural dermatitis
    C) Trichiniasis
    D) Leptospirosis
    A) Schistosomiasis
    (this multiple choice question has been scrambled)
  10. 1.     Which of the following factors would LEAST contribute to the emergence of a new infections disease?

    A) Human behavior
    B) Antibiotic use
    C) Heat disinfection
    D) Disinfectant use
    C) Heat disinfection
    (this multiple choice question has been scrambled)
  11. 1.     Listeriosis is COMMONLY associated with?

    A) infected birds.
    B) contaminated food.
    C) contaminated water.
    D) infected mice.
    B) contaminated food.
    (this multiple choice question has been scrambled)
  12. 1.     Hemolytic Uremic Syndrome is caused by infection with?

    A) Dracunculus medinensis.
    B) Escherichia coli 0157:H7.
    C) Staphylococcus aureus.
    D) Salmonella typhimurium.
    B) Escherichia coli 0157:H7.
    (this multiple choice question has been scrambled)
  13. 1.     The basic principles of disease control
    include all of the following EXCEPT

    A) susceptibility.
    B) control of disease source.
    C) lag phase.
    D) mode of transmission.
    C) lag phase.
    (this multiple choice question has been scrambled)
  14. 1.     Which one of the following pharases MOST accurately describes the term
    endemic?

    A) Constant presence of an illness
    B) Illnesses that exceed expected levels
    C) All illnesses present at any one time
    D) Sporadic occurrence of an illness
    A) Constant presence of an illness
    (this multiple choice question has been scrambled)
  15. 1.     The interval between exposure to an
    infectious agent and the appearance of the first symptom is called the

    A) susceptible period.
    B) reactive period.
    C) incubation period.
    D) transmission period.
    C) incubation period.
    (this multiple choice question has been scrambled)
  16. 1.     An employer is held liable for the
    torts of its employees committed within the scope of their employment. This is
    referred to as

    A) respondeat superior.
    B) substituted judgment.
    C) parens patriae.
    D) corporate privilege.
    A) respondeat superior.
    (this multiple choice question has been scrambled)
  17. 1.     Performance of an authorized act in a
    unauthorized manner is called

    A) nonfeasance.
    B) disfeasance.
    C) malfeasance.
    D) misfeasance.
    D) misfeasance.
    (this multiple choice question has been scrambled)
  18. 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 an order of

    A) injuction.
    B) seizure.
    C) embargo.
    D) withholding.
    C) embargo.
    (this multiple choice question has been scrambled)
  19. 1.     What is the federal agency that
    regulates food additives?

    A) Department of Agriculture
    B) Centers for Disease Control and Prevention
    C) Consumer Product Safety Commission
    D) Food and Drug Administration
    D) Food and Drug Administration
    (this multiple choice question has been scrambled)
  20. 1.     When a legal action is being prepared,
    one of the first steps a sanitarian should take is to 

    A) keep accurate records. 
    B) obtain a warrant.
    C) check with other agencies.
    D) obtain a court order. 
    A) keep accurate records.
    (this multiple choice question has been scrambled)
  21. 1.     How is the term contamination defined when used in connection with a communicable
    disease?

    A) Contact between two or more sources of infection
    B) Infection of an individual or animal with pathogenic organisms
    C) Presence of pathogenic agents on a surface, article, or substance
    D) Transfer of a vector, regardless of time or the nature of the host
    C) Presence of pathogenic agents on a surface, article, or substance
    (this multiple choice question has been scrambled)
  22. Most contributing factor to foodborne illness?

    A)incorrect labeling
    B) insect and rodent infestation
    C) improper holding temps
    D) dirty equipment
    C) improper holding temps
    (this multiple choice question has been scrambled)
  23. Foods classified as potentially hazardous

    A) foods that support rapid growth of pathogenic organisms
    B) water activity below .85
    C) foods requiring rapid and thorough cooking
    D) pH below 4.6
    A) foods that support rapid growth of pathogenic organisms
    (this multiple choice question has been scrambled)
  24. 1.     What is the MAXIMUM accumulated time that potentially hazardous
    foods can safely be exposed to the temperature danger zone?

    A) 2 hours
    B) 8 hours
    C) 6 hours
    D) 4 hours
    C) 6 hours
    (this multiple choice question has been scrambled)
  25. 1.     The laboratory reports a positive
    coliform test that exceeds permissible limits on a bottle of pasteurized milk.
    What does this indicate?

    A) Improper bactericidal treatment of the equipment
    B) A contaminated water supply
    C) Improper virucidal treatment of the equipment
    D) A contaminated food supply
    A) Improper bactericidal treatment of the equipment
    (this multiple choice question has been scrambled)
  26. 1.     What is the source of scombroid
    poisoning?

    A) Undercooked pork
    B) Rice contaminated with rodent feces
    C) Sprouted green potatoes
    D) Histamines in the muscle of fish
    D) Histamines in the muscle of fish
    (this multiple choice question has been scrambled)
  27. 1.     What is the MOST effective proctive for preventing trichinosis in people?

    A) Cook steak until well done
    B) Be certain that ground meat is freshly ground at the time of purchase
    C) Be sure that fresh pork is thoroughly cooked
    D) Avoid the consumption of ground meat products
    C) Be sure that fresh pork is thoroughly cooked
    (this multiple choice question has been scrambled)
  28. 1.     What is the MOST important rule of food storage?

    A) Follow the "first in, first out" rule
    B) Store canned goods under refrigeration
    C) Repackage dry foods into metal containers
    D) Store products in order of "pull by" date
    A) Follow the "first in, first out" rule
    (this multiple choice question has been scrambled)
  29. 1.     What is the BEST means of inhibiting the growth of microorganisms in fresh meat?

    A) Exposure to ultraviolet light for 30 minutes
    B) Adequate refrigeration and cleanliness
    C) Chemical preservatives
    D) Topical use of approved hypochlorite solutions
    B) Adequate refrigeration and cleanliness
    (this multiple choice question has been scrambled)
  30. 1.     What is the usual mode of infection
    from salmonella?

    A) Contact with fomites
    B) Ingestion of contaminated food
    C) Ingestion of contaminated water
    D) Contact with an active case
    B) Ingestion of contaminated food
    (this multiple choice question has been scrambled)
  31. 1.     What should NOT be done with food samples collected during a foodborne illness investigation?

    A) Label
    B) Seal
    C) Freeze
    D) Refrigerate
    C) Freeze
    (this multiple choice question has been scrambled)
  32. 1.     All of the following are signs of
    spoiled fish EXCEPT

    A) strong odor.
    B) elastic flesh.
    C) gray gills.
    D) sunken eyes.
    B) elastic flesh.
    (this multiple choice question has been scrambled)
  33. 1.     Which of the following shellfish are MOST likely to cause illness?

    A) Scallops
    B) Shrimp
    C) Oysters
    D) Crabs
    C) Oysters
    (this multiple choice question has been scrambled)
  34. 1.     Insecticides/pesticides may be stored
    in all ways EXCEPT

    a) metal locked cabinet.
    b) lowest shelf in the storage room.
    c) above the dishwashing sinks.
    d) in the basement separate from food and other chemicals.
    c) above the dishwashing sinks.
  35. 1.     Unpasteurized eggs not intended for immediate service should be cooked to?

    A) to 155 F for 15 seconds. 
    B) to 150 F for scrambled eggs.
    C) to 140 F for one minute.
    D) for two minutes in boiling water. 
    A) to 155 F for 15 seconds.
    (this multiple choice question has been scrambled)
  36. A HACCP plan is not required when

    A) cooling and reheating potentially hazardous foods in bulk
    B) using food additives to preserve food
    C) smoking foods for preservation
    D) performing ROP
    A) cooling and reheating potentially hazardous foods in bulk
    (this multiple choice question has been scrambled)
  37. 1.     What type of well is considered LEAST likely to become contaminated?

    A) Drilled
    B) Dug
    C) Bored
    D) Driven
    A) Drilled
    (this multiple choice question has been scrambled)
  38. 1.     Diatomaceous earth filters

    A) can be used for a public water treatment system.
    B) should be integrated into a rapid sand filtration system.
    C) can be used in a public sewer treatment system.
    D) should be supplemented by a chlorination system.
    D) should be supplemented by a chlorination system.
    (this multiple choice question has been scrambled)
  39. 1.     Microbial pollution travels only a
    short distance through

    A) smooth clay.
    B) limestone.
    C) sandstone.
    D) fissured rock.
    A) smooth clay.
    (this multiple choice question has been scrambled)
  40. 1.     What type of filter is recommended for
    use in small communities and rural places?

    A) Cartridge
    B) Slow sand
    C) Diatomaceous earth
    D) Granular
    B) Slow sand
    (this multiple choice question has been scrambled)
  41. 1.     All of the following are used to
    disinfect water EXCEPT

    A) fluorine.
    B) chlorine.
    C) iodine.
    D) bromine.
    A) fluorine.
    (this multiple choice question has been scrambled)
  42. 1.     Backsiphonage may be prevented by all
    of the following methods EXCEPT

    A) air gap separation.
    B) hydrostatic loops.
    C) backpressure units.
    D) vacuum breakers.
    B) hydrostatic loops.
    (this multiple choice question has been scrambled)
  43. 1.     Which of the following is the LEAST effective method for cadmium removal from drinking water?

    A) Iron coagulation
    B) Lime softening
    C) Ion exchange
    D) Activated carbon
    D) Activated carbon
    (this multiple choice question has been scrambled)
  44. 1.     Before a drinking water sample is
    taken, the sampling tap should be clean, free of leaks, and flushed for how
    long?

    A) 6 to 7 minutes
    B) 4 to 5 minutes
    C) 2 to 3 minutes
    D) 1 to 1-1/2 minutes
    C) 2 to 3 minutes
    (this multiple choice question has been scrambled)
  45. 1.     What contaminant has been associated
    with learning and cognitive disorders in children who drink contaminated water? 

    A) Lead 
    B) Parathion
    C) Copper 
    D) Manganese
    A) Lead
    (this multiple choice question has been scrambled)
  46. 1.     The wastewater from the flushing of a
    water closet, latrine, or privy is referred to as

    A) black water.
    B) gray water.
    C) green water.
    D) brown water.
    A) black water.
    (this multiple choice question has been scrambled)
  47. 1.     If a septic tank is pumped during a wet
    period, the

    A) tank may float out of the ground.
    B) tank may be crushed by the wet earth.
    C) water may flow into the tank.
    D) field may flood the tank.
    A) tank may float out of the ground
    (this multiple choice question has been scrambled)
  48. 1.     Nutrients associated with
    eutrophication include all of the following EXCEPT

    A) organic carbon.
    B) phosphates.
    C) potassium.
    D) nitrogen.
    C) potassium.
    (this multiple choice question has been scrambled)
  49. 1.     Which of the following is LEAST important when reducing sewage
    to gases?

    A) Earthworms
    B) Protozoa
    C) Aerobic bacteria
    D) Anaerobic bacteria
    A) Earthworms
    (this multiple choice question has been scrambled)
  50. 1.     A septic tank maintenance worker has
    checked an empty tank for the presence of hydrogen sulfide (H2S). The test was negative, and there are no odors indicating the presence of other hazardous gases. Is the tank safe to enter without a respirator and supplied air?

    A) No, because oxygen content and methane were not tested
    B) No, because a lack of H2S is a sign of a hazardous confined space
    atmosphere
    C) Yes, because the absence of odors and H2S indicates acceptable confined space entry conditions
    D) Yes, because hydrogen sulfide and odors were not detected
    A) No, because oxygen content and methane were not tested
  51. 1.     All of the following are true about
    ozone as a disinfectant EXCEPT which one?

    A) Nontoxic to aquatic organisms
    B) Long-lasting residual
    C) Excellent viricide
    D) Source of dissolved oxygen
    B) Long-lasting residual
    (this multiple choice question has been scrambled)
  52. 1.     Aerobic bacteria require all of the
    following nutrients EXCEPT
    A) magnesium.
    B) carbon.
    C) phosphorus.
    D) nitrogen.
    A) magnesium.
    (this multiple choice question has been scrambled)
  53. 1.     What does a mottled brown and red soil
    indicate?

    A) Suitability for absorbtion due to granular structure
    B) Adequate agglomeration
    C) Unsuitability for absorbtion due to chemical composition
    D) Inadequate aeration methods
    D) Inadequate aeration methods
    (this multiple choice question has been scrambled)
  54. 1.     Alternative small wastewater treatment
    systems are considered UNLESS

    A) highly porous formations exist.
    B) space is limited and surface water supplies are inadequate.
    C) high groundwater exists.
    D) impervious formations are found at a depth of 10 feet.
    D) impervious formations are found at a depth of 10 feet.
    (this multiple choice question has been scrambled)
  55. 1.     Lime coagulation, mixed media
    filtration, and activated carbon filtration will greatly reduce 

    A) EPA listed hazardous wastes
    B) EPA priority pollutants 
    C) Heavy metals
    D) Biological contaminants 
    B) EPA priority pollutants
    (this multiple choice question has been scrambled)
  56. 1.     According to the Resource Conservation and Recovery Act (RCRA), how must
    hazardous household waste be disposed?

    A) It must be disposed as a hazardous waste by a professional hazardous waste
    company.
    B) It may be disposed in a storm drain or sanitary sewer.
    C) It must be incinerated.
    D) Household waste is exempt form RCRA requirements.
    D) Household waste is exempt form RCRA requirements.
  57. 1.     The grinding of garbage is an
    acceptable method of

    A) volume reduction.
    B) garbage disposal.
    C) wet oxidation.
    D)energy recovery.
    B) garbage disposal.
    (this multiple choice question has been scrambled)
  58. 1.     All of the following are considered
    advantages of using the "shredded solid waste" landfill method EXCEPT which one?

    A) It does not cause odors.
    B) It will readily absorb precipitation.
    C) It may require daily earth cover.
    D) It reduces insect breeding.
    B) It will readily absorb precipitation.
    (this multiple choice question has been scrambled)
  59. 1.     The BEST sanitary landfill method for a
    location with rolling terrain is the

    A) low-area method.
    B) area or ramp method.
    C) trench method.
    D) valley or ravine area method.
    B) area or ramp method.
    (this multiple choice question has been scrambled)
  60. It is known that some common pathogenic organisms found in wastewater can survive more than ___  of harsh temp extremes
    A) 5 years
    B) 2 months
    C) 2 years
    D) 5 months
    C) 2 years
    (this multiple choice question has been scrambled)
  61. 1.     Why is it important for a business that
    generates hazardous waste to deal only with licensed disposal companies that
    have a good compliance history?

    A) Once the hazardous waste disposal company picks up the waste, it becomes the
    responsible party.
    B) It is important if the business generates 220 pounds or more per month of
    hazardous waste.
    C) The business is held accountable for where and how the hazardous waste generated is disposed of.
    D) Large companies with good compliance histories generally have deep pockets.
    C) The business is held accountable for where and how the hazardous waste generated is disposed of.... Cradle to Grave
  62. 1.     Which of the following is NOT a type of hazardous waste incinerator?

    A) Fixed hearth
    B) Pressurized
    C) Rotaty kiln
    D) Fluidized
    B) Pressurized
    (this multiple choice question has been scrambled)
  63. 1.     Which federal law regulates underground
    storage tanks for hazardous substances?

    A) Resource Conservation and Recovery Act
    B) Solid Waste Disposal Act
    C) Federal Water Pollution Control Act
    D) Clean Water Act
    A) Resource Conservation and Recovery Act (RCRA)
    (this multiple choice question has been scrambled)
  64. 1.     A measure of the probability and
    severity of adverse effects under specific conditions BEST describes

    A) toxicity.
    B) risk.
    C) exposure.
    D) hazard.
    B) risk.
    (this multiple choice question has been scrambled)
  65. 1.     Which of the following sampling devices
    is BEST for collecting undisturbed soil
    samples? 

    A) Split spoon 
    B) Veihmeyer rod
    C) Shelby tube 
    D) Auger
    A) Split spoon
    (this multiple choice question has been scrambled)
  66. 1.     What is the term for a statistical
    estimate of an oral dose of a chemical that produces a lethal effect on half of
    an animal population?

    A) EC50
    B) LD50
    C) ED50
    D) LC50
    B) LD50
    (this multiple choice question has been scrambled)
  67. 1.     The dose-response relationship of a
    toxic substance depends on all of the following EXCEPT

    A) the amount and concentration of the substance.
    B) the pH of the substance.
    C) the duration of exposure to the substance.
    D) the toxicity of the substance.
    B) the pH of the substance.
    (this multiple choice question has been scrambled)
  68. A young lake is considered to be?

    A) mesotrophic
    B) eutrophic
    C) oligotrophic
    D) tresatrophic
    C) oligotrophic
    (this multiple choice question has been scrambled)
  69. 1.     Which respiratory device provides the MAXIMUM protection?

    A) Positive pressure respirator with a full face piece
    B) Negative pressure respiratior with a full face piece
    C) Half-face respirator
    D) Full-face canister respirator
    A) Positive pressure respirator with a full face piece
    (this multiple choice question has been scrambled)
  70. 1.     The Emergency Planning and Community Right-to-Know-Act (SARA Title III) requires the disclosure of all of the
    following EXCEPT type and quantities of

    A) hazardous chemicals accidentally discharged into the atmosphere.
    B) all chemicals produced on site.
    C) hazardous chemicals accidentally discharged into the waterways.
    D) all chemicals routinely discharged into the atmosphere.
    D) all chemicals routinely discharged into the atmosphere.
    (this multiple choice question has been scrambled)
  71. 1.     For first responders at an incident,
    which one of the following is listed correctly according to order of importance? 

    A) Public safety, property protection, responder safety, environmental safety 
    B) Responder safety, environmental safety, public safety, property protection
    C) Property protection, public safety, responder safety, environmental safety
    D) Responder safety, public safety, environmental safety, property protection 
    D) Responder safety, public safety, environmental safety, property protection
    (this multiple choice question has been scrambled)
  72. 1.     Rocky Mountian spotted fever is
    transmitted by

    A) chiggers.
    B) mites.
    C) ticks.
    D) deer flies.
    C) ticks.
    (this multiple choice question has been scrambled)
  73. 1.     What are the peak seasons for rats to
    breed in temperate zones?

    A) Fall and summer
    B) Winter and spring
    C) Spring and fall
    D) Summer and winter
    C) Spring and fall
    (this multiple choice question has been scrambled)
  74. 1.     Which one of the following pesticides
    can be legally used in the United
    States by the public?

    A) 2, 4, 5, -T
    B) Silvex
    C) Mercury
    D) Diazinon
    D) Diazinon
    (this multiple choice question has been scrambled)
  75. 1.     Poison ivy, poison oak, and poison
    sumac contain oleoresin that is found in all parts of the plant EXCEPT the

    A) flowers.
    B) wood.
    C) leaves.
    D) bark
    A) flowers.
    (this multiple choice question has been scrambled)
  76. 1.     Psittacosis is MOST commonly spread by

    A) bats.
    B) shellfish.
    C) pigeons.
    D) rodents.
    C) pigeons.
    (this multiple choice question has been scrambled)
  77. 1.     Hay fever is correctly referred to as

    A) leguminosis.
    B) asthma.
    C) pollenosis.
    D) sinusitis.
    C) pollenosis.
    (this multiple choice question has been scrambled)
  78. 1.     Which of the following is MOST effective for controlling ragweed? 

    A) Fenthion
    B) Petroleum oil
    C) 2, 4-D 
    D) Dieldrin 
    C) 2, 4-D
    (this multiple choice question has been scrambled)
  79. The term rad means.

    A) radiation absorbed dose.
    B) required administrative dose
    C) radiation admitted dose.
    D) roentgen absorbed dose.
    A) radiation absorbed dose.
    (this multiple choice question has been scrambled)
  80. 1.     Which of the following have little
    penetrating power and are normally a hazard to health only in the form of
    internal radiation received through ingestion, inhalation, or open wounds?

    A) Alpha particles
    B) Gamma rays
    C) Beta particles
    D) X-rays
    A) Alpha particles
    (this multiple choice question has been scrambled)
  81. 1.     Beta radiation is MOST commonly blocked by which one of the following materials?

    A) Glass or plastic
    B) Lead
    C) Magnesium alloy
    D) Concrete
    A) Glass or plastic
    (this multiple choice question has been scrambled)
  82. 1.     Microwaves are reflected by

    A) polymers.
    B) plastic.
    C) glass.
    D) metals.
    D) metals.
    (this multiple choice question has been scrambled)
  83. 1.     The energy of ionizing radiation is
    measured in 

    A) electron volts (eV). 
    B) one electrostatic unit. 
    C) ergs of energy per gram.
    D) one-person sievert (Sv).
    A) electron volts (eV).
    (this multiple choice question has been scrambled)
  84. 1.     What is the danger and/or hazard posed
    by an etiological agent?

    A) Allergic reaction
    B) Human disease
    C) Corrosive reaction
    D) Asphyxiation
    B) Human disease
    (this multiple choice question has been scrambled)
  85. 1.     No person should be permitted to work
    in a trench or pit in sandy clay soil that has unsupported sides or banks
    higher than

    A) 4 feet.
    B) 5 feet.
    C) 3 feet.
    D) 2 feet.
    B) 5 feet.
    (this multiple choice question has been scrambled)
  86. Isotopes of the same element have:

    A) same atomic # but different mass #
    B) same mass # but different atomic #
    C) different atomic and mass #s
    D) same atomic and mass #s
    A) same atomic # but different mass #
    (this multiple choice question has been scrambled)
  87. 1.     Given: An employer moves employees who
    have reached the upper permissible level of exposure to a hazardous
    environment, in order to prevent further exposure.

    What type of hazard control is this?

    A) engineering control
    B) Administrative control
    C) Personal control
    D) Professional control
    B) Administrative control
    (this multiple choice question has been scrambled)
  88. The term frequency can NOT be described as :

    A) oscillations
    B) vibrations
    C) particles
    D) waves
    C) particles
    (this multiple choice question has been scrambled)
  89. The shorter the wavelength the 

    A) lower the frequency and higher the energy
    B) higher the frequency and lower the energy
    C) lower the frequency and energy
    D) higher the frequency and energy
    D) higher the frequency and energy
    (this multiple choice question has been scrambled)
  90. 1.     A negative pressure fit test for a
    protective mask

    A) is done by placing both palms against the intake filters.
    B) shoud be conducted at a minimum of once a week.
    C) is done by placing both hands over the exhalation points.
    D) should be repeated until an air leak is detected.
    A) is done by placing both palms against the intake filters.
    (this multiple choice question has been scrambled)
  91. 1.     Quantitative risk assessment USUALLY measures human exposure through all of
    the following EXCEPT 

    A) computer models.
    B) toxicological analyses.
    C) blood or urine analyses. 
    D) personal surveys. 
    A) computer models.
    (this multiple choice question has been scrambled)
  92. 1.     The MOST likely cause of photochemical smog is due to 

    A) hazardouse waste incinerators.
    B) heavy motor vehicle traffic.
    C) large industries.
    D) chemical processing plants.
    B) heavy motor vehicle traffic.
    (this multiple choice question has been scrambled)
  93. 1.     The industries LEAST likely to be a source of sulfur
    diozide pollution are

    A) hazardous waste incinerators.
    B) metal smelters.
    C) coal and oil burning power plants.
    D) refineries.
    A) hazardous waste incinerators.
    (this multiple choice question has been scrambled)
  94. 1.     Scrubbers are wet collectors generally
    used to remove particles that form as a

    A) dust, aerosol, or fog.
    B) fume, dust, or mist.
    C) fog, mist, or dust.
    D) mist, solid, or vapor.
    C) fog, mist, or dust.
    (this multiple choice question has been scrambled)
  95. 1.     Particle size selective inlets are used
    to separate particulates above and below 2 to 3 microns in size on

    A) atmospheric respirator sieves.
    B) high volume samplers.
    C) baghouse air filters.
    D) outfall vacuums.
    B) high volume samplers.
    (this multiple choice question has been scrambled)
  96. 1.     The MOST common type of noise measurement device used for initial inspections is the

    A) sound level meter.
    B) sound analyzer.
    C) octave-band analyzer.
    D) noise dosimeter.
    A) sound level meter.
    (this multiple choice question has been scrambled)
  97. 1.     Oxygenated fuels are intended to reduce
    emissions levels of 

    A) Ozone
    B) Nitrogen oxides 
    C) Carbon monoxide
    D) Hydrocarbons 
    C) Carbon monoxide
    (this multiple choice question has been scrambled)
  98. 1.     Cross-connection controls include air
    gaps, backflow preventers, vacuum breakers, and

    A) gate valves.
    B) bypass valves.
    C) indirect waste piping.
    D) air vents.
    C) indirect waste piping.
    (this multiple choice question has been scrambled)
  99. Cooties refers to what

    A) fly in festation
    B) flea infestation
    C) lice infestation
    D) bedbugs infestation
    C) lice infestation
    (this multiple choice question has been scrambled)
  100. Sludge accumulation in a tank of a normal home has been estimated at

    A) 2.2 gallons per person per year
    B) 69-80 gallons per person per year
    C) 40-60 liters per person per year
    D) 18-21 gallons per person per year
    D) 18-21 gallons per person per year
    (this multiple choice question has been scrambled)
  101. Human disease of aerosols of wastewater is

    A) is a hazard even to those who have subclinical infections
    B) has demonstrated from pathogens recovered in aerosols from spray irrigation
    C)may be caused by small numbers of organisms
    D) related to wastewater treatment by activated sludge, trickling filter, and spray irrigation
    D) related to wastewater treatment by activated sludge, trickling filter, and spray irrigation
    (this multiple choice question has been scrambled)
  102. 1.     The drain line of an ice machine
    should connect to the sewer system through

    A) an indirect connection below the floor.
    B) an open receptacle with an air gap.
    C) a hydro-static valve.
    D) a hydraulic valve.
    B) an open receptacle with an air gap.
    (this multiple choice question has been scrambled)
  103. 1.     Vent gasses from a coal burning furnace
    combined with a high moisture inside a chimney will form

    A) hydrochloric acid.
    B) sodium chloride.
    C) sulfuric acid.
    D) a glass-like glaze.
    C) sulfuric acid.
    (this multiple choice question has been scrambled)
  104. 1.     What is the PRIMARY cause of death resulting from automobile exhaust accumulation in garages?

    A) Methane
    B) Carbon monoxide
    C) Tetraethyl lead
    D) Ethylene dioxide
    B) Carbon monoxide
    (this multiple choice question has been scrambled)
  105. 1.     The end of a waste pipe should
    terminate above the rim of a sink directly connected to the drainage system by
    at LEAST

    A) 2 inches.
    B) 4 inches.
    C) 6 inches.
    D) 5 inches.
    A) 2 inches.
    (this multiple choice question has been scrambled)
  106. If a septic tank will also have a garbage disposal unit feeding into the septic it the tank should be

    A) increased in size by 50%
    B) not be constructed with precast concrete
    C) not have a gas baffle
    D) equipped with an agitator
    A) increased in size by 50%
    (this multiple choice question has been scrambled)
  107. A regular homes septic should be serviced every 

    A) every 5-10 years
    B) every 3-5 years
    C) every 10 years
    D) every year
    B) every 3-5 years
    (this multiple choice question has been scrambled)
  108. Aerobic bacteria require all the following nutrients EXCEPT:
    A) magnesium
    B) phosphorus
    C) carbon
    D) nitrogen
    A) magnesium
    (this multiple choice question has been scrambled)
  109. An infected organism not exhibiting symptoms during a spread of disease is 

    A) host
    B)parasite
    C) reservoir
    D) carrier
    D) carrier
    (this multiple choice question has been scrambled)
  110. The rate at which atoms of radioactive sources disintegrate are

    A) rods
    B) roentgens
    C) curies
    D) rems
    C) curies

    Remember: madam curie is dead
    (this multiple choice question has been scrambled)
  111. Safe drinking water Act SDWA was enacted in :

    A) 1974
    B) 1970
    C) 1966
    D) 1990
    A) 1974
    (this multiple choice question has been scrambled)
  112. RCRA's four outlined programs are:

    A) Solid waste, hazardous Household waste, medical waste, Sewage waste
    B) Hazardous waste, sewage waste, hazardous household waste, medical waste
    C) Hazardous household waste, medical waste, Solid waste, Underground Storage Tanks
    D) Solid waste, Underground Storage Tanks, Medical Wastes, Hazardous wastes
    D) Solid waste, Underground Storage Tanks, Medical Wastes, Hazardous wastes
    (this multiple choice question has been scrambled)
  113. Most common filter used to treat potable water is

    A) pressurized filters
    B) Granular media filters
    C) carbon filters
    D) limestone filters
    B) Granular media filters
    (this multiple choice question has been scrambled)
  114. Cryptosporidium Oocysts CANNOT be killed by:

    A) carbon monoxide
    B) Chlorine
    C) activated carbon
    D) Ozone
    B) Chlorine
    (this multiple choice question has been scrambled)
  115. Common coagulant / flocculant agent/ chemical used in water treatment:

    A) activated carbon
    B) ammonia chloride
    C) bleach
    D) alum
    D) alum
    (this multiple choice question has been scrambled)
  116. Disinfection is dependent on what factors:

    A) source quality, organic material, DO, Time of year
    B) Time of year, age of water, how much free chlorine in sample
    C) Nothing
    D) Type of disinfectant, pH Temp, contact time
    D) Type of disinfectant, pH Temp, contact time
    (this multiple choice question has been scrambled)
  117. The minimum requirement for free chlorine in drinking water is:

    A) 0.5 ppm
    B) 0.2 ppm
    C) 2 ppm
    D) 1 ppm
    B) 0.2 ppm
    (this multiple choice question has been scrambled)
  118. Disinfectant byproducts are called:

    A) Byproducts
    B) free residuals
    C) Trihalomethanes 
    D) contaminants
    C) Trihalomethanes
    (this multiple choice question has been scrambled)
  119. Legionnaires disease, cryptosporidium, giardia, shigellosis, typhoid fever, and cholera are all types of 

    A) diseases from undercooked pork
    B) Diseases of contaminated drinking water
    C) Diseases found in chicken
    D) Diseases of contaminated food
    B) Diseases of contaminated drinking water
    (this multiple choice question has been scrambled)
  120. Public water systems have at least ___ service connections or serve ___ individuals daily for ___ days per year on average.

    A) 25 service connections, or 15 people for 30 days per year
    B) 15 service connections, or 25 people for 60 days per year
    C) 25 service connections, or 60 people for 90 days per year
    D) 15 service connections, or 25 people for 30 days per year
    B) 15 service connections, or 25 people for 60 days per year
    (this multiple choice question has been scrambled)
  121. In 1855 __________ proved Cholera as a water borne disease by linking it to a malfunctioning pump

    A) Ray Auger
    B) Jason Snow
    C) John Snow
    D) John Seitver
    C) John Snow
    (this multiple choice question has been scrambled)
  122. Arrangement of pool treatment system:

    A) Hair strainer, skimmer/gutter, filter aid pump, adjustment valve, disinfectant feeder, inlet
    B) Skimmer, hair strainer, pH feeder, inlets
    C) Skimmer/Gutter line, Main drain line, adjustment valve, hair strainer, filter aid pump, filters, disinfectant feeder, pH feeder and adjustable inlet
    d) none of the above
    C) Skimmer/Gutter line, Main drain line, adjustment valve, hair strainer, filter aid pump, filters, disinfectant feeder, pH feeder and adjustable inlet
    (this multiple choice question has been scrambled)
  123. Swimming Pools have a ___NTU  maximum and should not be exceeded

    A) 2
    B) 1
    C) 0.5
    D) 2.2
    C) 0.5
    (this multiple choice question has been scrambled)
  124. Swimming pool filtration rate of entire volume of pool is:

    A) 8 hours
    B) 2 hours
    C) 6 hours
    D) 4 hours
    C) 6 hours
    (this multiple choice question has been scrambled)
  125. Vacuum Diatomite filter, Filtration rate is:

    A) 6 gpm/ft2
    B) 25 gpm/ft2
    C) 0.5 gpm/ft
    D) 1-2 gpm/ft2
    D) 1-2 gpm/ft2
    (this multiple choice question has been scrambled)
  126. Gutters or skimmers should recieve ___ % of total pool water:

    A) 40%
    B) 95%
    C) 60 %
    D) 100%
    C) 60 %
    (this multiple choice question has been scrambled)
  127. Recommended and most effective method of maintaining pool water quality

    A) shock system every year 
    B) continuous re-circulation, chlorination, and shocking yearly
    C) filtration, and chlorination
    D) continuous re-circulation, chlorination, and filtration with occasional shocking
    D) continuous re-circulation, chlorination, and filtration with occasional shocking
    (this multiple choice question has been scrambled)
  128. Cyanuric acid pool additive does what for residual chlorine

    A) eliminates
    B) increases
    C) stabilizes
    D) decreases
    C) stabilizes
    (this multiple choice question has been scrambled)
  129. Rocky mountain spotted fever is transmitted by:

    A) ticks
    B) bedbugs
    C) humans
    D) Fleas
    A) ticks
    (this multiple choice question has been scrambled)
  130. Plants use ___ and sunlight to make their own food. This process is called photosynthesis and is part of the carbon cycle.

    A) Oxygen
    B) Carbon monoxide
    C) carbon
    D) carbon dioxide
    D) carbon dioxide
    (this multiple choice question has been scrambled)
  131. Plants take in _____ and produce ____.

    A) oxygen, Carbon monoxide
    B) carbon dioxide, carbon monoxide
    C) carbon dioxide, oxygen
    D) oxygen, carbon dioxide
    C) carbon dioxide, oxygen
    (this multiple choice question has been scrambled)
  132. How are igneous rocks formed

    a) Heat and pressure
    b) Volcanic activity
    c) Sediments of organic materials
  133. b) Volcanic activity
  134. How are metamorphic rocks formed?

    A) sediments or organic material
    B) ocean floor compaction
    C) volcanic activity
    D) heat and pressure
    D) heat and pressure
    (this multiple choice question has been scrambled)
  135. Name some igneous rocks?

    A) Coal, Sandstone, Limestone, Shale
    B) Granite, Obsidian, Pumice
    C) Marble, Gneiss, Quartz, Slate
    B) Granite, Obsidian, Pumice
    (this multiple choice question has been scrambled)
  136. Name some metamorphic rocks:

    A) Granite, Obsidian, Pumice
    B) Coal, Sandstone, Limestone, Shale
    C) Marble, Gneiss, Quartz, Slate
    C) Marble, Gneiss, Quartz, Slate
    (this multiple choice question has been scrambled)
  137. Name some sedimentary rocks:

    A) Marble, Gneiss, Quartz, Slate
    B) Granite, Obsidian, Pumice
    C) Coal, Sandstone, Limestone, Shale
    C) Coal, Sandstone, Limestone, Shale
    (this multiple choice question has been scrambled)
  138. what is the best control of swimmers itch?

    A) alum
    B) bromine
    C) chlorine
    D) copper sulfate
    D) copper sulfate
    (this multiple choice question has been scrambled)
  139. What disease is known to be contracted from hot tubs, fountains, and ponds

    A) shigella
    B) legionnaires
    C) rotavirus
    D) Norwalk
    B) legionnaires
    (this multiple choice question has been scrambled)
  140. Baterial RWI diseases through water:

    A) Norwalk, Hepatitus A, Rotavirus
    B) Shigella, Ecoli, Salmonella, Campylobacter
    C) Cryptosporidium, Giardia, Helminthes
    d) all of the above
    B) Shigella, Ecoli, Salmonella, Campylobacter
    (this multiple choice question has been scrambled)
  141. Name a Helminthe:

    a) Schistosoma mansoni
    b) Dracunculus medinesis 
    c) Ascaris lumbicoides
    d) all of the above
    d) all of the above
  142. Nitrates ingested in food and water by infants under 6 months, are converted into nitrates and can cause_____
    A) Nitrie poisoning
    B) yellow fever
    C) blue baby syndrom (methemoglinemia)
    D) red baby syndrome (magentiamognemia)
    C) blue baby syndrom (methemoglinemia)
    (this multiple choice question has been scrambled)
  143. The cure for Blue-Baby syndrom is
    A) Nitrates
    B) Methylene blue
    C) filtration
    D) Nitrites
    B) Methylene blue
    (this multiple choice question has been scrambled)
  144. Vibrio is commonly associated with what:

    A) undercooked chicken
    B) drinking contaminated water
    C) raw or undercooked Shellfish, raw oysters
    D) Hot tubs via aerosols
    C) raw or undercooked Shellfish, raw oysters
    (this multiple choice question has been scrambled)
  145. Giardia Lamblia is also called
    A) Paratyphoid
    B) beaver fever
    C) dog fever
    D) travelers diarhea
    B) beaver fever
    (this multiple choice question has been scrambled)
  146. Name the types of waterborne pathogens

    a) Parasitic - Protozoa and Helminthes
    b) Bacteria
    c) Viruses
    d) all of the above
    • d) Protozoa, Helminthes, Virus, Bacterial, 
    • ALSO (Fungal like ringworm)
  147. Boiling water contaminated with Nitrites will ______ the nitrites
    A) concentrate the nitrites
    B) evaporate nitrites with oxygenation
    C) convert it to nitrates
    D) remove the nitrites
    A) concentrate the nitrites
    (this multiple choice question has been scrambled)
  148. Wells have to be ___ feet from septic tanks and ___ feet from septic drain fields
    A) 10 ft, 50 ft
    B) 15 ft, 25 ft
    C) 50 ft, 100 ft
    D) 100 ft, 500 ft
    C) 50 ft, 100 ft
    (this multiple choice question has been scrambled)
  149. Name the wells from highest risk to lowest risk
    A) Drilled, Driven, Dug, Bored
    B) Driven, Drilled, Dug, Bored
    C) Bored, Dug, Driven, Drilled
    D) Dug, Bored, Driven Drilled
    C) Bored, Dug, Driven, Drilled
    (this multiple choice question has been scrambled)
  150. Common surfactants used in soap are
    a) THM, SVC
    b) ABS, LAS
    c) ABC, LNS
    d) SVC, LAS
    • b) ABS, LAS
    • (Alkyl Benzene Sulfonates)
    • (Linear Alkyl-benzene Sulfonates)
    • Most are petroleum products
  151. Methalyne Blue is used for
    a) Indicator of sewage pollution
    b) Used for NPDES reporting
    c) To treat humans from Blue baby syndrome
    d) all of the above
    d) all of the above
  152. Which soil has the greatest porosity %
    A) silt
    B) iniform sand
    C) sandstone
    D) gravel
    A) silt
    (this multiple choice question has been scrambled)
  153. When collecting bacteriological samples that have been chlorinated, which chemical is used
    A) sodium sulfate 
    B) sodium biosulfate
    C) sodium thiosulfate
    D) sodium carbonate
    C) sodium thiosulfate
    (this multiple choice question has been scrambled)
  154. Which soil condition is most favorable for the removal of viruses
    A) course sand over fine sand or clay
    B) fine loamy sand over course sand & gravel
    C) gravel over semi-porous clay 
    D) sand over gravel 
    B) fine loamy sand over course sand & gravel
    (this multiple choice question has been scrambled)
  155. What water constituent has been associated with staining clothing and plumbing dark brown or black
    A) Ag
    B) Ca
    C) Zn
    D) Mg
    D) Mg ( magnesium)
    (this multiple choice question has been scrambled)
  156. Methalyene Blue Active Substance (MBAS) is used to identify
    A) Presences of detergents and surfactants
    B) presence of coliform bacteria
    C) iron in water
    D) hardness of water
    B) presence of coliform bacteria
    (this multiple choice question has been scrambled)
  157. Which 2 elements in domestic water supplies cause most hardness
    A) Ca & Mg
    B) Na & Mg
    C) Ca & Na
    D) Zn & Mg
    A) Ca & Mg
    (this multiple choice question has been scrambled)
  158. Which chlorine residual test is LEAST desirable
    A) DPD
    B) SNORT
    C) OTA
    D) Methyl Orange
    C) OTA
    (this multiple choice question has been scrambled)
  159. The conditions of soft water, low alkalinity, and the presence of oxygen causes what
    A) least amount of corrosion on pipes
    B) highest fish kills
    C) most amount of corrosion n pipes
    D) best drinking water
    C) most amount of corrosion n pipes
    (this multiple choice question has been scrambled)
  160. Facultative bacteria can live in
    A) any environment by producing their own oxygen
    B) only anaerobic environments
    C) both anaaerobic and aerobic
    D) only aerobic environments
    C) both anaaerobic and aerobic
    (this multiple choice question has been scrambled)
  161. Another name for epsom salts is
    A) calcium sulfate
    B) sodium sulfate
    C) magnesium sulfate
    D) zinc sulfate
    C) magnesium sulfate
    (this multiple choice question has been scrambled)
  162. The final product in biochemical oxidation of ammonia yields what
    A) nitride
    B) nitrogen
    C) nitrate
    D) nitrite
    C) nitrate
    (this multiple choice question has been scrambled)
  163. Lakes that are clean, high in DO, deep, and recieving few nutrients are:
    a) mesotrophic
    b) oligiotrophic
    c) eutrophic
    d) non of the above
    • b) oligiotrophic
    • Yound lakes have not established much plant growth yet and have little suspended solids
  164. Which organisms are most resistant to env. conditions and indicate past or intermittent pollution
    A) clostridium sporulates
    B) coliforms
    C) aerobacter aerogens
    D) escherichia Coli
    A) clostridium sporulates
    (this multiple choice question has been scrambled)
  165. Objectionable tastes and odors in a public water supply are, in a majority due to
    A) yeasts and molds
    B) fungal bacteria in the water line
    C) Dissolved oxygens
    D) algae and protozoas
    D) algae and protozoas
    (this multiple choice question has been scrambled)
  166. Hydrogen sulfide is fatal at
    A) 100 ppm
    B) 0.5 ppm
    C) 200 ppm
    D) 300 ppm
    D) 300 ppm
    (this multiple choice question has been scrambled)
  167. Microbial pollution travels a short distance through
    A) Cracked dried out, clay
    B) fissured rock
    C) sandy loam or clay
    D) solution channels in limestone
    C) sandy loam or clay
    (this multiple choice question has been scrambled)
  168. The pH of a solution in which the apparent hydrogen ion concentration is equal to
    1x10-8 moles per liter is what 
    A) 8
    B) 10
    C) 1
    D) 2
    A) 8
    (this multiple choice question has been scrambled)
  169. The common coaggulant in a water treatment system is
    A) potassium chloride
    B) aluminum sulfate
    C) sodium theosulfate
    D) calcium carbonate
    B) aluminum sulfate
    (this multiple choice question has been scrambled)
  170. The disinfecting ability of chlorine is affected most by
    A) temperature
    B) hydrogen ion concentration
    C) BOD
    D) dissolved oxygen
    B) hydrogen ion concentration
    (this multiple choice question has been scrambled)
  171. Alkalinity exists in 3 forms, which one is NOT one of these forms?
    A) hypochlorite
    B) bicarbonate
    C) hydroxide
    D) carbonate
    A) hypochlorite
    (this multiple choice question has been scrambled)
  172. Which one would NOT contribute to water hardness
    A) sodium chloride
    B) calcium sulfate
    C) calcium chloride
    D) magnesium sulfate
    A) sodium chloride
    (this multiple choice question has been scrambled)
  173. Viral Hepatitis B (HBV) is most commonly assoicated with
    A) uncooked shellfish
    B) administration of blood products
    C) fecal contaminated water
    D) contaminated dairy products
    B) administration of blood products

    remember HBV
    having blood virus
    (this multiple choice question has been scrambled)
  174. Communicable disease like Typhoid fever, cholera, shigellosis, and infectious hepatitis are most commonly transmitted by
    A)direct route
    B) vectorborne
    C) airborne
    D) fecal/oral route, or vehicleborne route
    D) fecal/oral route, or vehicleborne route
    (this multiple choice question has been scrambled)
  175. Aeration is advantageous in the treatment of water containing
    A) dissolved iron and maganese
    B) dissolved iron and magnesium
    C) phosphorous and maganese
    D) magnesium and iron
    A) dissolved iron and maganese
    (this multiple choice question has been scrambled)
  176. A Cistern is
    A) water treatment reservoir at a dam
    B) canister for holding water
    C) masonry reservoir of rural water supplies
    D) gallon container for collecting rainwater
    C) masonry reservoir of rural water supplies
    (this multiple choice question has been scrambled)
  177. The presence of coliform in water indicates:
    A) the possible presnece of pathogens
    B) presence of sewage
    C) presence of fecal viruses
    D) presence of pathogens
    A) the possible presnece of pathogens
    (this multiple choice question has been scrambled)
  178. The presumptive evidence of the presence of coliform in the MPN test is:
    A) metallic sheen on colonies
    B) turbidity of culture broth
    C) presence of gas from fermentation of media
    D) color change in culture media
    C) presence of gas from fermentation of media
    (this multiple choice question has been scrambled)
  179. A cross connection is:
    A) a plumbing device used to create an airgap
    B) connection permitting flow into an approved water from an unapproved water supply
    C) 2 pipes crossing at an intersection
    B) connection permitting flow into an approved water from an unapproved water supply
    (this multiple choice question has been scrambled)
  180. DPD test is commonly used for
    A) Iodine
    B) chlorine or bromine
    C) ozone
    D) quaternary ammonia
    B) chlorine or bromine
    (this multiple choice question has been scrambled)
  181. Acccording to SDWA the minimum # of water samples for bateria analysis of a PWS depends on:
    A) population served
    B) source of water
    C) amount of water treated
    D) Daily population served
    A) population served
    (this multiple choice question has been scrambled)
  182. One of the  most common reasons for well contamination of wells drilled thru rock, clay, or hardpan is:
    A) seepage of pollutants thru soil
    B) failure to seal the well casing properly
    C) use of inferior well casing
    D) porsity % of the rock
    B) failure to seal the well casing properly
    (this multiple choice question has been scrambled)
  183. Aeration is a natural or mechanical process that:
    A) Both a and b
    B) increases contact between air and water
    C) improves the physical and chemical characteristics of water
    d) none of the above
    A) Both a and b
    (this multiple choice question has been scrambled)
  184. The main purpose of a sand filter is to remove :
    A) lead and cadmium
    B) suspended solids
    C) viruses
    D) bacteria
    B) suspended solids
    (this multiple choice question has been scrambled)
  185. Celcius to farenheit  and/or farenheit to celcius
    a) C x 1.8+32 = F
    b) F -32 x 1.8 = C
    c) C x 9/5 + 32 = F
    d) (F - 32) x 5/9 = C
    e) all of the above
    e) all of the above
  186. Gases frequently found in water that encourage corrosion are:
    a) methane and oxygen
    b) methane and hydrogen sulfide
    c) oxygen and carbon dioxide
    d) chlorine and carbon dioxide
    • c) oxygen and carbon dioxide
    • Metals in water react with oxygen to form metal oxides
  187. Just to maintain bodily functions a person needs:
    A) 4-12 pints water/day
    B) 13-26 pints of water/day
    C) 1-3 pints of water/day
    d) none of the above
    A) 4-12 pints water/day
    (this multiple choice question has been scrambled)
  188. The majority of the worlds water is used in
    A) industry
    B) sewage disposal
    C) agriculture
    D) households
    C) agriculture
    (this multiple choice question has been scrambled)
  189. It is estimated that water saving plumbing devices in homees would save approximately:
    a) 100 gallons water/day per 2-3 people
    a) 75 gallons water/day per 2-3 people
    a) 55 gallons water/day per 2-3 people
    a) 25 gallons water/day per 2-3 people
    a) 55 gallons water/day per 2-3 people
  190. Grease traps are installed for the purpose of minimizing grease in the sewer the trap:
    A) should always discharge behind the septic tank
    B) is not of proven value in many commercial applications
    C) requires yearly cleaning
    D) should be installed close to the dishwaser
    B) is not of proven value in many commercial applications
    (this multiple choice question has been scrambled)
  191. The detention time for wastewater in a septic tank is recommended to be:
    A) 24-72 hours
    B) 6-12 hours
    C) no necessary detention time
    D) 1 week
    A) 24-72 hours
    (this multiple choice question has been scrambled)
  192. Septic tanks serving commercial operations should be inspected for cleaning:
    A) twice per year
    B) once per year
    C) once per month
    D) every othre year
    A) twice per year
    (this multiple choice question has been scrambled)
  193. The permeability of soil is related to the ___
    a) chemical composition
    b) color and texture
    c) granular structure
    d) all of the above
    d) all of the above
  194. Wastewater is the used water from a home or community and the strength is expressed in:
    a) BOD
    b) COD
    c) suspended solids
    d) all of the above
    d) all of the above
  195. Chlorination of untreated wastewater is typically NOT an effective treatment for:
    a) Entamoeba histolytica cysts
    b) giardia cysts
    c) tapeworm eggs
    d) all of the above
    d) all of the above
  196. Primary sedimentation can remove ___  found in soil, water, and wastewater
    a) 50-90% bacteria
    b) 30--50% of the ascaris lumbricoides
    c) 80 percent shistosomes
    d) all of the above 
    d) all of the above
  197. NPDES prohibits the discharge of pollutants into US waters unless a permit is issued by:
    a) EPA
    b) the state
    c) wastewater treatment agency
    d) a or b
    • d) a or b
    • the state or EPA can give a permit to release pollution
  198. Loam is a mixture of gravel, sand, silt, and clay containing what:
    A) decayed plant and animal matter
    B) highly toxic metals
    C) dirt
    D) potassium and ammonium
    A) decayed plant and animal matter
    (this multiple choice question has been scrambled)
  199. One of the most important facotrs contributing to disease transmissionof microbiological agents is
    A) flocculation
    B) chlorination
    C) filtration
    D) concentration or dose of microorganisms
    D) concentration or dose of microorganisms

    remember
    it takes 3 positive coliform samples to deem water possibly pathogenic
    (this multiple choice question has been scrambled)
  200. Most common method fro applying watsewater to land
    A) land over-land flow
    B) spray irrigation
    C) waste stabilization pond
    D) wetland treatment
    B) spray irrigation
    (this multiple choice question has been scrambled)
  201. Which of the follwing soils would be most suitable for subsurface absorption:
    A) a yellow, brown, or red soil
    B) a mottled brown and red soil
    C) a blue soil
    D) a grayish soil
    A) a yellow, brown, or red soil
    (this multiple choice question has been scrambled)
  202. The amount of dissolved oxygen required in aerobic bacterial decomposition, measured in ppm or mg/1 and used in determining the strength of wastewater is:
    A) BOD
    B) oxygen-reduction ratio
    C) total organic carbon
    D) COD
    A) BOD
    (this multiple choice question has been scrambled)
  203. The traditional absorption field should be laid in trenches NOT more than ___ below the ground surface
    A) 24 inches
    B) 42 inches
    C) 63 inches
    D) 18 inches
    A) 24 inches or 2 feet
    (this multiple choice question has been scrambled)
  204. The field distribution piping should be surrounded with ___ and at least 2 inches deep under the pipe
    A) washed gravel, 3/4 inches to 2-1/2 inches
    B) a mixture of sand and gravel
    C) fine marble chips
    D) broken limestone, 1 inch to 2 inches
    A) washed gravel, 3/4 inches to 2-1/2 inches
    (this multiple choice question has been scrambled)
  205. The distance between the field lines or tiles must be a minimum of ___ in a treatment absorption arrangement
    A) 3 feet
    B) 6 feet
    C) 12 feet
    D) 9 feet
    B) 6 feet
    (this multiple choice question has been scrambled)
  206. Morbidity rate is
    A) the number of survivors of a disease
    B) both b and c
    C) the number of deaths
    D) the number of diseased individuals
    B) both b and c
    (this multiple choice question has been scrambled)
  207. Mortality rate is:
     
    a) the number of living
    b) the number of diseased people
    c) the number of deaths
    d) the number of immune people
    • C) the number of deaths
    • remember since we r mortal we die
  208. What is the primary treatment involve in water treatment
    A) sedimentation and coagulation
    B) both a and b
    C) biological- microbes eating organic material, and sedimentation
    d) none f the above
    A) sedimentation and coagulation
    (this multiple choice question has been scrambled)
  209. Nitrification is
    A) the occurrence of excess amount of nitrites in a lake
    B) the conversion from nitrite to nitrate
    C) the addition of nitrogen gas to water to cause  oxidation 
    D) the oxidation of nitrogen from ammonia to nitrate
    D) the oxidation of nitrogen from ammonia to nitrate

    remember the A in nitrate stands for After Ammonia
    (this multiple choice question has been scrambled)
  210. The secondary treatment of wastewater involves
    a) flocculation
    b) secondary sedimentation
    c) biological treatment and a permeable membrane
    d) post chlorination
    • c) biological treatment and a permeable membrane
    • remember primary is bar screens, grit chamber, sedimentation then prechlorination, then maybe a coagulant, the.
    • Secondary is biological treatment and filtration, activated sludge, aeration, then either tertiary treatment or post chlorination
  211. Rotavirus is: 
    a) spread by contaminated food and water
    b) preventable with a vaccine
    c) spread via fecal-oral route
    d) spread on object surfaces and hands
    e) all of the above
    E) all of the above
  212. Pandemic
    A) human illness throughout a large region or worldwide
    B) illness in a region clearly in excess
    C) illness constantly present in a population
    d) none of the above
    A) human illness throughout a large region or worldwide
    (this multiple choice question has been scrambled)
  213. Malfeasance
    A) doing an authorized act wrongly
    B) not doing anything when your supposed to
    C) doing a wrongful act. Knowing its wrong
    d) all of the above
    C) doing a wrongful act. knowing its wrongful.

    remember What is your malfunction! Why the hell are you doing that! You know your not supposed to!
    (this multiple choice question has been scrambled)
  214. Equal protection
    a) a right guaranteed by the bill of rights
    b) requires comparable or fair treatment of people and situations
    c) not burdening or benefiting people differently without reason
    d) all of the above
    D) all of the above
  215. Due process
    A) laws preventing judges from unequal prosecution. 
    B) when something is due
    C) procedural requirements that agencies must follow to take action against a violation
    D) none of the above
    C) procedural requirements that agencies must follow to take action against a violation
    (this multiple choice question has been scrambled)
  216. Statutes are laws enacted by elected officials of nation or state
    a) true
    b) false
    A) true
  217. Laws enacted by local elected officials, such as municipalities and counties
    A) ordinances
    B) statutes
    C) regulations
    D) CFR
    A) ordinance
    (this multiple choice question has been scrambled)
  218. Laws enacted by regulatory agencies, either national, state, or local
    A) statutes
    B) regulations
    C) ordinances
    B) regulations
    (this multiple choice question has been scrambled)
  219. Permission to engage in a legally restricted activity
    A) registration
    B) warrant
    C) permit or license
    D) waiver
    C) permit or waiver
    (this multiple choice question has been scrambled)
  220. Informal or formal, where both parties are able to express and clarify their position
    A) administrative hearing
    B) Litigation
    C) arbitration
    D) abatement order
    A) administrative hearing
    (this multiple choice question has been scrambled)
  221. A civil action to settle a dispute in a court of law

    A) Litigation
    b) arbitration
    c) administrative hearing
    d) abatement order
    • A) litigation...
    • an arbitration is a less expensive and usually has a host of a disinterested party during negotiation
  222. Injury to an individuals person, property, or reputation
    A) prohibitionary injunction
    B) torts
    C) both a and b
    B) torts
    (this multiple choice question has been scrambled)
  223. CAA was enacted in ___ and set the standards for 6 priority pollutants: carbon monoxide, lead, NO2, ozone, particulates, and sulfur dioxide
    a) 1965
    b) 1974
    c) 1970
    d) 1978
    • C) 1970
    • remember the 0 in 1970 stands for oxygen
  224. CWA OF ____  (and the SDWA in 1974) set MCL, and regulate public water
    a) 1972
    b) 1978
    c) 1964
    d) 1970
    • A) 1972
    • remember the 2 in 1972 stands for h2o..Water!
  225. RCRA was enacted in 
    A) 1980
    b) 1976
    c) 1972
    d) 1974
    • B) 1976
    • remember 666 evil wastes and energy consumption by humans, which are evil too. :)
  226. CERCLA
    A) 1980
    b) 1970
    c) 1972
    d) 1976
    • A) 1980 (also called superfund)
    • Cleanup time 
    • remember while I clean house I like to jam out to the 80's music
  227. TSCA ( toxic substances control act
    a) 1974
    b) 1980
    c) 1976
    d) 1965
    • C) 1976
    • remember again
    • EVIL stuff... Both in 1976.. RCRA and TSCA
  228. OSHA occupational safety and health act enacted in
    a) 1980 
    b) 1970
    c) 1990
    d) 1976
    • A) 1980
    • remember to be safe while jammin out to the 80's music,  don't hurt ur selfur self
  229. Bacteria require FATTOM or FAT TOM to grow, what does the acronym FATTOM stand for?
    Food, Acidity, Time, Temperature, Oxygen, and Moisture
  230. Pathogens are:
    A) Protozoa in contaminated water
    B) group of bacteria causing illness in humans if consumed in food
    C) group of fungi that cause mycotoxins
    D) group of parasite found in water
    B) group of bacteria causing illness in humans if consumed in food
    (this multiple choice question has been scrambled)
  231. Reproduce only within living cells of a host organism
    A) helminthes or parasites
    B) bacteria
    C) viruses
    D) fungus
    E) pathogens
    C) viruses
    (this multiple choice question has been scrambled)
  232. organisms that live within another organism or host
    A) viruses
    B) fungus 
    C) pathogens
    D) helminthes or parasites 
    E) bacteria
    D) helminthes or parasites
    (this multiple choice question has been scrambled)

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