1|Page
CWEA Environmental Compliance (2025)
COMPREHENSIVE QUESTIONS AND VERIFIED
DETAILED SOLUTIONS |COMPLETE SOLUTIONS |A+
GRADED |100% CORRECT!!
"MSDS" is an acronym for what? - . . ANSWER ✓✓ Material
Safety Data Sheet
10. What is the purpose of an unannounced industrial inspection?
- . . ANSWER ✓✓ To check on effluent quality
11. EPA recognizes what two types of dischargers in its efforts to
control the flow of pollutants into water? - . . ANSWER ✓✓
Direct and indirect
11. Failure to report an injury should be considered - . . ANSWER
✓✓ Grounds for disciplinary action.
11. What are composite samples collected to measure? - . .
ANSWER ✓✓ Average amount of pollutants
11. What are the characteristics of a properly operating flume? - .
. ANSWER ✓✓ Distinct and easy to observe
,2|Page
11. What are the most important ongoing tasks of a local pre-
treatment program? - . . ANSWER ✓✓ Inspections and
monitoring
11. What happens when a clarifier's capacity to hold solids or oil
is exceeded? - . . ANSWER ✓✓ Materials must be pumped out.
11. Why is knowledge of the various manufacturing processes
important? To understand how - . . ANSWER ✓✓ Raw materials
are transformed into waste products.
12. What are compatible pollutants? - . . ANSWER ✓✓ Pollutants
normally removed by a POTW treatment system
12. What does a stilling well provide? - . . ANSWER ✓✓ A calm
pooling area where the depth can be accurately measured
12. What factor influences the decision to use disposable or
reusable containers? - . . ANSWER ✓✓ Economics
12. What positive benefit can communities provide industrial
companies with regard to industrial wastewater? - . . ANSWER
✓✓ Adequate treatment services are available
,3|Page
12. What should be done before entering an industrial facility for
a pretreatment inspection? - . . ANSWER ✓✓ Collect wastewater
samples
12. What Should you do if you encounter an unsafe condition or
situation? - . . ANSWER ✓✓ Remove yourself from the area and
warn others.
12. What will be collected in a clarifier if the passages connecting
the stages are near the bottom? - . . ANSWER ✓✓ Oil and other
floatables
12. Which pollutant is a conventional pollutant? - . . ANSWER ✓✓
Oil and grease
13. How can slugs of concentrated wastes be prevented from
overloading the final treatment system? - . . ANSWER ✓✓ Spill
containment
13. How does an inspector determine what safety equipment
should be taken on an inspection? - . . ANSWER ✓✓ Review the
firm's permit application and correspondence file.
, 4|Page
13. How is the flow depth measured in a Palmer-Bowlus flume? -
. . ANSWER ✓✓ Floor of flume to water surface at measuring
point
13. How should an inspector be able to activate emergency
response procedures? - . . ANSWER ✓✓ By making one call to a
person in the home office
13. What are receiving water standards based on? - . . ANSWER
✓✓ Tolerance of stream to pollutants
13. What is the most forceful compliance procedure available to a
POTW? - . . ANSWER ✓✓ Revoking permission to discharge to a
sewer
13. What should an inspector do with regard to violations
discovered during an inspection? - . . ANSWER ✓✓ Discuss
violations with industry before leaving site
13. When is industrial self-monitoring valuable? - . . ANSWER
✓✓ When industry has sincere wish to comply
13. Why should groundwater from leaking gasoline tank cleanup
projects be required to have sufficient treatment to allow
CWEA Environmental Compliance (2025)
COMPREHENSIVE QUESTIONS AND VERIFIED
DETAILED SOLUTIONS |COMPLETE SOLUTIONS |A+
GRADED |100% CORRECT!!
"MSDS" is an acronym for what? - . . ANSWER ✓✓ Material
Safety Data Sheet
10. What is the purpose of an unannounced industrial inspection?
- . . ANSWER ✓✓ To check on effluent quality
11. EPA recognizes what two types of dischargers in its efforts to
control the flow of pollutants into water? - . . ANSWER ✓✓
Direct and indirect
11. Failure to report an injury should be considered - . . ANSWER
✓✓ Grounds for disciplinary action.
11. What are composite samples collected to measure? - . .
ANSWER ✓✓ Average amount of pollutants
11. What are the characteristics of a properly operating flume? - .
. ANSWER ✓✓ Distinct and easy to observe
,2|Page
11. What are the most important ongoing tasks of a local pre-
treatment program? - . . ANSWER ✓✓ Inspections and
monitoring
11. What happens when a clarifier's capacity to hold solids or oil
is exceeded? - . . ANSWER ✓✓ Materials must be pumped out.
11. Why is knowledge of the various manufacturing processes
important? To understand how - . . ANSWER ✓✓ Raw materials
are transformed into waste products.
12. What are compatible pollutants? - . . ANSWER ✓✓ Pollutants
normally removed by a POTW treatment system
12. What does a stilling well provide? - . . ANSWER ✓✓ A calm
pooling area where the depth can be accurately measured
12. What factor influences the decision to use disposable or
reusable containers? - . . ANSWER ✓✓ Economics
12. What positive benefit can communities provide industrial
companies with regard to industrial wastewater? - . . ANSWER
✓✓ Adequate treatment services are available
,3|Page
12. What should be done before entering an industrial facility for
a pretreatment inspection? - . . ANSWER ✓✓ Collect wastewater
samples
12. What Should you do if you encounter an unsafe condition or
situation? - . . ANSWER ✓✓ Remove yourself from the area and
warn others.
12. What will be collected in a clarifier if the passages connecting
the stages are near the bottom? - . . ANSWER ✓✓ Oil and other
floatables
12. Which pollutant is a conventional pollutant? - . . ANSWER ✓✓
Oil and grease
13. How can slugs of concentrated wastes be prevented from
overloading the final treatment system? - . . ANSWER ✓✓ Spill
containment
13. How does an inspector determine what safety equipment
should be taken on an inspection? - . . ANSWER ✓✓ Review the
firm's permit application and correspondence file.
, 4|Page
13. How is the flow depth measured in a Palmer-Bowlus flume? -
. . ANSWER ✓✓ Floor of flume to water surface at measuring
point
13. How should an inspector be able to activate emergency
response procedures? - . . ANSWER ✓✓ By making one call to a
person in the home office
13. What are receiving water standards based on? - . . ANSWER
✓✓ Tolerance of stream to pollutants
13. What is the most forceful compliance procedure available to a
POTW? - . . ANSWER ✓✓ Revoking permission to discharge to a
sewer
13. What should an inspector do with regard to violations
discovered during an inspection? - . . ANSWER ✓✓ Discuss
violations with industry before leaving site
13. When is industrial self-monitoring valuable? - . . ANSWER
✓✓ When industry has sincere wish to comply
13. Why should groundwater from leaking gasoline tank cleanup
projects be required to have sufficient treatment to allow
