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State Exam Intro Chapter 1

The first know public water systems were used in:
a. 2500 BC by the Babylonians
b. The water systems of Rome
c. 300 BC using boiling and filtration
d. in the late 1800s

c. 300 BC using boiling and filtration

) The first water filter system was put into use in 1872 in which state.
a. New York
b. Connecticut
c. New Jersey
d. Pennsylvania.

a. New York

3) In the 1920's people were dying of Cholera. The Cholera was spread by _____ .
a. Rats aboard ships from Europe
b. Food contamination
c. Water contamination
d. Leaky Sewer pipes

c. Water contamination

4) Is the following statement True or False? Among its countless uses, waters most important use is for cleaning.
a. False
b. True

a. False

5) What do the words "potable water" mean?
a. Water that may be consumed in any amount without concern for adverse effects on health.
b. Water that is transported from any distance for drinking purposes.
c. Water that must be boiled before use.
d. Water that must be disposed of.

a. Water that may be consumed in any amount without concern for adverse effects on health.

7) Slow sand filtration is a process that _____ .
a. Is of relatively recent vintage.
b. Was used predominantly in the early years of US water treatment.
c. Is a natural system that is part of the hydrological process.
d. Is best when the water is chlorinated prior to filtration.
e. Is a wastewater process not used in water treatment.

b. Was used predominantly in the early years of US water treatment.

) Agriculture and Industry pose the biggest threats to the water supply
a. True
b. False

b. False

9) To be an enforceable standard, the state must first agree to adopt the standard for a water constituent.
a. True
b. False

a. True

10) The impetuous for the Safe Drinking Water act was:
a. Lax State enforcement
b. Unchecked industrial contamination
c. Varying water standards across state lines
d. The Water Pollution Control Act
e. Increased public concern and awareness of drinking water problems

c. Varying water standards across state lines

11) An MRCL is:
a. Minimum Residual Chlorine Level to maintain disinfection
b. Maximum Radon Criterion Level
c. Maximum recycle level for a clarifier
d. Maximum Recommended Concentration Level
e. A measure of chlorine in finished water

d. Maximum Recommended Concentration Level

12) An important aspect of the Safe Drinking Water Act is enforcement action to ensure full compliance for any violation.
a. True
b. False

a. True

3) The multiple barrier approach used in the Safe Drinking Water act to protect the public water supply includes:

a. Regulating both Private and Public Facilities.
b. The combined results of the Safe Drinking Water Act and the Water Pollution Control Act.
c. Protections provided at the source, during the treatment process and in the distribution system.
d. Protections provided by EPA, DEP and the Health Departments.

c. Protections provided at the source, during the treatment process and in the distribution system.

14) Certification was not considered in the drafting of the Safe Drinking Water Regulations.
a. True
b. False

b. False

15.) The Safe Drinking Water Act of 1974 gave EPA authority to regulate public water treatment systems by all but which of the following:
a. Setting of Drinking Water Standards
b. Recommending Maximum Contaminant Levels in drinking water
c. Setting of Maximum Contaminant Levels.
d. Establishing Water Treatment Techniques to ensure adequate removal of contaminants
e. Consolidating all state programs for source water monitoring

e. Consolidating all state programs for source water monitoring

16.) The first large scale public water chlorination facility was installed in the United States in what year?
a. 1888
b. 1908
c. 1923
d. 1947

b. 1908

17.) Chlorine kills bacteria by:
a. must be used in high concentrations to kill bacteria
b. is selective for bacteria in small concentrations
c. must be removed from the water before drinking
d. kills bacteria by destruction of cell membranes

d. kills bacteria by destruction of cell membranes

18.) Coliform bacteria are good indicators of pathogens because they:
a. are typically only found in the intestines of diseased people
b. are never found in the intestines of healthy people
c. can be found in the intestines of both healthy people and diseased people
d. are always present in water with fecal contamination

d. are always present in water with fecal contamination

19.) Operators are responsible for:
a. providing a continuous supply of safe water to the public
b. ensuring that all aspects of a water system is safe
c. meeting all state and federal requirements that concern water supply
d. all of the above.

a. providing a continuous supply of safe water to the public

20. Water treatment operators are licensed by EPA under the SDWA.
a. true
b. false

b. false

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