TEXAS RS STUDY GUIDE EXAM NEWEST 2025/2026 STUDY
QUESTIONS WITH CORRECT VERIFIED ANSWERS 100%
GUARANTEED PASS | RATED A+
Human disease from aerosols of wastewater: - Answer>>> Is related primarily to wastewater
treatment by the activated sludge, trickling filter, and spray irrigation processes.
Plants absorb certain constituents of wastewater; using wastewater for irrigation of consumable
plant products may present a health hazard to humans if the water contains: - Answer>>>
cadmium
The treatment system of a pool is typically recommended to be installed in which of the
following flow arrangements? - Answer>>> Skimmer or gutter line, main drain line, adjustment
valves, hair strainer, filter aid, pump, filters, disinfectant feeder, pH feeder, adjustable inlets
Which of the following duties of state and local health agencies is intended to ensure that the
public's health and welfare are protected? - Answer>>> Regulatory responsibilities.
The acidity-alkalinity balance effects eye irritation, water coagulation, and the: - Answer>>>
Effectiveness of chlorine.
Many diseases and infestations have common names that can confuse the professional when
referred to by lay individuals and often children, the term cooties refers to a/an: - Answer>>>
Lice infestation.
The government organization that usually deals with major disasters is the: - Answer>>> Federal
Emergency Management Agency.
It is essential that all public pools: - Answer>>> Run the recirculation and disinfection
equipment 24 hours per day.
Hemolytic Uremic Syndrome is caused by infection with: - Answer>>> E. coli 015 7:H7
Which of the following is NOT a type of hazardous waste incinerator? - Answer>>> Pressurized
,The formula (volume of pool)/(Pump Flow Rate x 60min) = turnover rate will tell the... -
Answer>>> number of hours it takes for the entire contents of the pool to pass through the
filters.
What is the MOST common contributing factor to foodborne illness? - Answer>>> Improper
holding temps
The term "universal precautions" refers to: - Answer>>> An infection control program regulating
the handling of blood and certain body fluids.
Biological safety equipment includes: - Answer>>> Technical manuals
Which of the following is a measure of the amount of light scattered by particles suspended in a
water test sample? - Answer>>> Nephelometric turbidity units (NTU)
Vent gasses from a coal-burning furnace combined with high moisture inside a chimney will
form... - Answer>>> Sulfuric acid
The term "rem" is short for: - Answer>>> Radiation equivalent man
Lime coagulation, mixed media filtration, and activated carbon filtration will greatly reduce: -
Answer>>> EPA priority pollutants
The biosafety containment level suitable for work involving agents of moderate potential hazard
to personnel and the environment is: - Answer>>> Biosafety level 2
Diatomaceous earth filters should be... - Answer>>> Supplemented by a chlorination system
HAZWOPER requirements apply to: - Answer>>> Voluntary cleanup at uncontrolled hazardous
waste sites
A number of environmentalists are concerned about the use of chlorine in potable water systems
which contain hydrocarbon contaminants because... - Answer>>> The chlorine may combine
with the hydrocarbons to produce carcinogenic substances.
What is the usual mode of infection from Salmonella? - Answer>>> Ingestion of contaminated
food.
, Define sanitize... - Answer>>> reduce microorganism levels to acceptable levels, usually by heat
or chemicals.
to raise pH, add: - Answer>>> Soda ash
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? - Answer>>> LD50
What is the most effective practice for preventing trichinosis in people? - Answer>>> Be sure
that fresh pork is thoroughly cooked.
Why is it important for a business that generates hazardous waste to deal only with licensed
disposal companies that have a good compliance history? - Answer>>> The business is held
accountable for where and how the hazardous waste generated is disposed of.
The laboratory reports a positive coliform test that exceeds permissible limits on a bottle of
pasteurized milk. What does that indicate? - Answer>>> Improper bactericidal treatment of the
equipment.
The grinding of garbage is an acceptable method of: - Answer>>> Garbage disposal
Which of the following is LEAST important when reducing sewage to gases? - Answer>>>
Earthworms
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?
- Answer>>> Administrative control
Cooking does not destroy the emetic toxin of? - Answer>>> Bacillus cereus
The bacterium killed by heat but has highly heat stable toxin that survives thermal processing
is... - Answer>>> Stapholococus aureus
Spores of what bacterium are the most heat resistant? - Answer>>> Clostridium perfringens
All of the following are considered advantages of using the "shredded solid waste" landfill
method EXCEPT which one? - Answer>>> It will readily absorb precipitation.
What type of well is considered LEAST likely to become contaminated? - Answer>>> Drilled
QUESTIONS WITH CORRECT VERIFIED ANSWERS 100%
GUARANTEED PASS | RATED A+
Human disease from aerosols of wastewater: - Answer>>> Is related primarily to wastewater
treatment by the activated sludge, trickling filter, and spray irrigation processes.
Plants absorb certain constituents of wastewater; using wastewater for irrigation of consumable
plant products may present a health hazard to humans if the water contains: - Answer>>>
cadmium
The treatment system of a pool is typically recommended to be installed in which of the
following flow arrangements? - Answer>>> Skimmer or gutter line, main drain line, adjustment
valves, hair strainer, filter aid, pump, filters, disinfectant feeder, pH feeder, adjustable inlets
Which of the following duties of state and local health agencies is intended to ensure that the
public's health and welfare are protected? - Answer>>> Regulatory responsibilities.
The acidity-alkalinity balance effects eye irritation, water coagulation, and the: - Answer>>>
Effectiveness of chlorine.
Many diseases and infestations have common names that can confuse the professional when
referred to by lay individuals and often children, the term cooties refers to a/an: - Answer>>>
Lice infestation.
The government organization that usually deals with major disasters is the: - Answer>>> Federal
Emergency Management Agency.
It is essential that all public pools: - Answer>>> Run the recirculation and disinfection
equipment 24 hours per day.
Hemolytic Uremic Syndrome is caused by infection with: - Answer>>> E. coli 015 7:H7
Which of the following is NOT a type of hazardous waste incinerator? - Answer>>> Pressurized
,The formula (volume of pool)/(Pump Flow Rate x 60min) = turnover rate will tell the... -
Answer>>> number of hours it takes for the entire contents of the pool to pass through the
filters.
What is the MOST common contributing factor to foodborne illness? - Answer>>> Improper
holding temps
The term "universal precautions" refers to: - Answer>>> An infection control program regulating
the handling of blood and certain body fluids.
Biological safety equipment includes: - Answer>>> Technical manuals
Which of the following is a measure of the amount of light scattered by particles suspended in a
water test sample? - Answer>>> Nephelometric turbidity units (NTU)
Vent gasses from a coal-burning furnace combined with high moisture inside a chimney will
form... - Answer>>> Sulfuric acid
The term "rem" is short for: - Answer>>> Radiation equivalent man
Lime coagulation, mixed media filtration, and activated carbon filtration will greatly reduce: -
Answer>>> EPA priority pollutants
The biosafety containment level suitable for work involving agents of moderate potential hazard
to personnel and the environment is: - Answer>>> Biosafety level 2
Diatomaceous earth filters should be... - Answer>>> Supplemented by a chlorination system
HAZWOPER requirements apply to: - Answer>>> Voluntary cleanup at uncontrolled hazardous
waste sites
A number of environmentalists are concerned about the use of chlorine in potable water systems
which contain hydrocarbon contaminants because... - Answer>>> The chlorine may combine
with the hydrocarbons to produce carcinogenic substances.
What is the usual mode of infection from Salmonella? - Answer>>> Ingestion of contaminated
food.
, Define sanitize... - Answer>>> reduce microorganism levels to acceptable levels, usually by heat
or chemicals.
to raise pH, add: - Answer>>> Soda ash
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? - Answer>>> LD50
What is the most effective practice for preventing trichinosis in people? - Answer>>> Be sure
that fresh pork is thoroughly cooked.
Why is it important for a business that generates hazardous waste to deal only with licensed
disposal companies that have a good compliance history? - Answer>>> The business is held
accountable for where and how the hazardous waste generated is disposed of.
The laboratory reports a positive coliform test that exceeds permissible limits on a bottle of
pasteurized milk. What does that indicate? - Answer>>> Improper bactericidal treatment of the
equipment.
The grinding of garbage is an acceptable method of: - Answer>>> Garbage disposal
Which of the following is LEAST important when reducing sewage to gases? - Answer>>>
Earthworms
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?
- Answer>>> Administrative control
Cooking does not destroy the emetic toxin of? - Answer>>> Bacillus cereus
The bacterium killed by heat but has highly heat stable toxin that survives thermal processing
is... - Answer>>> Stapholococus aureus
Spores of what bacterium are the most heat resistant? - Answer>>> Clostridium perfringens
All of the following are considered advantages of using the "shredded solid waste" landfill
method EXCEPT which one? - Answer>>> It will readily absorb precipitation.
What type of well is considered LEAST likely to become contaminated? - Answer>>> Drilled
