Cole's EHS NEHA Exam Study Guide
with Complete Solutions
A hydropneumatic tank typically contains what percent of its volume of water? -
ANSWER-20% or 1/5
A minimum of_______ feet squared of sleeping area per person is required in the APHA
appraisal method - ANSWER-40
Acceptable sludge disposal? - ANSWER-Agriculture, landfill, incineration, ocean
dumping
Any person who violates any of the health or quarantine laws may be guilty of -
ANSWER-A misdemeanor
Are employers required to provide training in hazardous materials? - ANSWER-Yes, it is
required by OsHA
At what temperature is chlorine most effective? - ANSWER-78 degrees F
At what temperature would you store a pool chemical test kit? - ANSWER-36-85
degrees F
At what temperatures are shell eggs received? - ANSWER-45 degrees F or less
Bacteria activity in soil ceases when - ANSWER-Moisture content is less than 14-16%
Before REHS begins a community project - ANSWER-Meetings of the community group
must be called to identify problems
By how many millions of people is the population increasing? - ANSWER-80 million per
year
Chemical sanitizer does what? - ANSWER-Kills some but not all bacteria. Usually
reduces to a generally acceptable level for public health standards
Come across a gasoline spill on the highway, what are the appropriate steps to take -
ANSWER-Contain the spill
Contamination in a block of ice can be identified by - ANSWER-Discoloration in the
geometric center
Decontamination of a radioactive spill should occur from - ANSWER-The least
contaminated areas to the most contaminated areas
,Define Corrosivity - ANSWER-Corrosive wastes are acids or bases and are capable of
corroding metal containers ex: battery acid
Define ignitability - ANSWER-Ignitable wastes can create fires under certain conditions,
are spontaneously combustible, or have a flash point less than 60 degrees celcius. Ex:
waste oils
Define malfeasance - ANSWER-Wrongful conduct, doing something unlawful and in an
unapproved way
Define misfeasance - ANSWER-Doing a proper act in an improper manner
Define nonfeasance - ANSWER-Not acting when you should. Ex: not closing a
restaurant when an imminent health hazard is observed
Define reactivity - ANSWER-Reactive wastes are unstable under normal conditions.
They can cause explosions, undergo violent reactions, generate toxic fumes, gas , or
vapors when heated compressed or mixed with water. Example: lithiumsulfur batteries
Define toxicity - ANSWER-Toxic wastes are harmful or fatal when ingested or absorbed
Depth to water table of six inches requires a - ANSWER-Sand mound
Dichloroethylene: - ANSWER-1.1: solvents 1,2: cleaning fluid
Drainline of an icecream machine should connect to - ANSWER-A sewer by an open
receptacle with an air gap
During an emergency event, there is a worry about a hanta virus outbreak. What
educational measures should be put into place to help the public - ANSWER-How to
prevent rodents
Dusts are formed by what mechanism? - ANSWER-Mechanical disintegration
Excessive condensation, corrosion, and mildew can occur when relative humidity
exceeds - ANSWER-60%
Excessive condensation, corrosion, and mildew occur when the relative humidity
exceeds - ANSWER-60%
External contamination of radiation can be reduced by what percent by removing
external clothing? - ANSWER-90%
Fast food facilities create the most - ANSWER-F.O.G (fats, oil, grease)
, Flu virus is mainly passed via - ANSWER-Humans
Fluorides cause what damage in cattle? - ANSWER-Crippling skeletal damage
Freezing a toxin will have what affect? - ANSWER-No affect
Giardia cyst concentration that causes disease - ANSWER-500:1
Ham sandwich prepared by caterer must be discarded after how many hours? -
ANSWER-4 hours
Hazardous waste : CRIT - ANSWER-Corrosive, reactive, ignitable, toxic
How do you dispose of an animal carcass? - ANSWER-Burial, incineration, composting
How do you filter out giardia lambia? - ANSWER-Rapid sand filtration
How does meat spoil? - ANSWER-Beef spoils from surface inward. Pork spoils bone
outward. Ground beef decomposes rapidly
How fast can chemical food poisoning symptoms occur? - ANSWER-One hour
How frequently are emergency response plans, nuclear power plans, reviewed? -
ANSWER-Every two years
How is E. coli 0157: H7 spread? - ANSWER-By direct contact and under-cooked food
How is Hep A contracted? - ANSWER-Fecal-Oral
How many tips of healthy housing are there? - ANSWER-7
How much air do humans breathe? - ANSWER-35 lbs per day
How much food does an adult rat eat? - ANSWER-1 oz of food per day
How much water is required per day per person after a natural disaster? - ANSWER-3-5
gallons per day
How should you properly cook custard pies? - ANSWER-Heat to 155 degrees F fo 15
seconds
How to detect a gas leak in the home? - ANSWER-Soapy bubble method
How to properly heat unpasteurized eggs? - ANSWER-Heat to 155 degrees F for 15
seconds
with Complete Solutions
A hydropneumatic tank typically contains what percent of its volume of water? -
ANSWER-20% or 1/5
A minimum of_______ feet squared of sleeping area per person is required in the APHA
appraisal method - ANSWER-40
Acceptable sludge disposal? - ANSWER-Agriculture, landfill, incineration, ocean
dumping
Any person who violates any of the health or quarantine laws may be guilty of -
ANSWER-A misdemeanor
Are employers required to provide training in hazardous materials? - ANSWER-Yes, it is
required by OsHA
At what temperature is chlorine most effective? - ANSWER-78 degrees F
At what temperature would you store a pool chemical test kit? - ANSWER-36-85
degrees F
At what temperatures are shell eggs received? - ANSWER-45 degrees F or less
Bacteria activity in soil ceases when - ANSWER-Moisture content is less than 14-16%
Before REHS begins a community project - ANSWER-Meetings of the community group
must be called to identify problems
By how many millions of people is the population increasing? - ANSWER-80 million per
year
Chemical sanitizer does what? - ANSWER-Kills some but not all bacteria. Usually
reduces to a generally acceptable level for public health standards
Come across a gasoline spill on the highway, what are the appropriate steps to take -
ANSWER-Contain the spill
Contamination in a block of ice can be identified by - ANSWER-Discoloration in the
geometric center
Decontamination of a radioactive spill should occur from - ANSWER-The least
contaminated areas to the most contaminated areas
,Define Corrosivity - ANSWER-Corrosive wastes are acids or bases and are capable of
corroding metal containers ex: battery acid
Define ignitability - ANSWER-Ignitable wastes can create fires under certain conditions,
are spontaneously combustible, or have a flash point less than 60 degrees celcius. Ex:
waste oils
Define malfeasance - ANSWER-Wrongful conduct, doing something unlawful and in an
unapproved way
Define misfeasance - ANSWER-Doing a proper act in an improper manner
Define nonfeasance - ANSWER-Not acting when you should. Ex: not closing a
restaurant when an imminent health hazard is observed
Define reactivity - ANSWER-Reactive wastes are unstable under normal conditions.
They can cause explosions, undergo violent reactions, generate toxic fumes, gas , or
vapors when heated compressed or mixed with water. Example: lithiumsulfur batteries
Define toxicity - ANSWER-Toxic wastes are harmful or fatal when ingested or absorbed
Depth to water table of six inches requires a - ANSWER-Sand mound
Dichloroethylene: - ANSWER-1.1: solvents 1,2: cleaning fluid
Drainline of an icecream machine should connect to - ANSWER-A sewer by an open
receptacle with an air gap
During an emergency event, there is a worry about a hanta virus outbreak. What
educational measures should be put into place to help the public - ANSWER-How to
prevent rodents
Dusts are formed by what mechanism? - ANSWER-Mechanical disintegration
Excessive condensation, corrosion, and mildew can occur when relative humidity
exceeds - ANSWER-60%
Excessive condensation, corrosion, and mildew occur when the relative humidity
exceeds - ANSWER-60%
External contamination of radiation can be reduced by what percent by removing
external clothing? - ANSWER-90%
Fast food facilities create the most - ANSWER-F.O.G (fats, oil, grease)
, Flu virus is mainly passed via - ANSWER-Humans
Fluorides cause what damage in cattle? - ANSWER-Crippling skeletal damage
Freezing a toxin will have what affect? - ANSWER-No affect
Giardia cyst concentration that causes disease - ANSWER-500:1
Ham sandwich prepared by caterer must be discarded after how many hours? -
ANSWER-4 hours
Hazardous waste : CRIT - ANSWER-Corrosive, reactive, ignitable, toxic
How do you dispose of an animal carcass? - ANSWER-Burial, incineration, composting
How do you filter out giardia lambia? - ANSWER-Rapid sand filtration
How does meat spoil? - ANSWER-Beef spoils from surface inward. Pork spoils bone
outward. Ground beef decomposes rapidly
How fast can chemical food poisoning symptoms occur? - ANSWER-One hour
How frequently are emergency response plans, nuclear power plans, reviewed? -
ANSWER-Every two years
How is E. coli 0157: H7 spread? - ANSWER-By direct contact and under-cooked food
How is Hep A contracted? - ANSWER-Fecal-Oral
How many tips of healthy housing are there? - ANSWER-7
How much air do humans breathe? - ANSWER-35 lbs per day
How much food does an adult rat eat? - ANSWER-1 oz of food per day
How much water is required per day per person after a natural disaster? - ANSWER-3-5
gallons per day
How should you properly cook custard pies? - ANSWER-Heat to 155 degrees F fo 15
seconds
How to detect a gas leak in the home? - ANSWER-Soapy bubble method
How to properly heat unpasteurized eggs? - ANSWER-Heat to 155 degrees F for 15
seconds
