1
5C Prep: Regulations and
Environmental Responsibilities Test.
Latest 2026-2027. Questions & Correct
Verified Answers. Graded A
How does the CWA establish the basic structure for regulating discharge
and pollutants? - ANS1. Identify pollutants (Toxic / Priority)
2. National Pretreatment Program (40CFR 403) to establish general
pretreatment and prohibited discharge standards.
3. NPDES Permits
4. Categorical Standards
How long must daily inspection and operation logs be kept?
Where is this information found? - ANSThree years per 314 CMR 12.07
What are 40 CFR 403's general pretreatment regulations? - ANSThe
regulate pollutants that may:
1. Pass through the POTW
2. Interfere with the POTW
3. Contaminate the POTW sludge
What are 40 CFR 403's specific discharge standards? - ANSThey
specifically disallow the introduction of the following to POTW:
1. Fire or explosion hazard
1
, 2
2. Corrosive (pH not below 5.5)
3. Obstructions
4. Any pollutant discharged in quantities that interfere (ex: BOD)
5. Temps above 104°F
6. Oils
7. Toxic fumes, vapors, or gases
8. Any trucked or hauled pollutants
What are categorical pretreatment standards?
Where are they established? - ANS1. Technology performance-based
limitations that are economically achievable
2. BAT and BPT (Best Available Tech and Best Practicable Tech)
40 CFR 403 set the framework for the implementation of categorical
pretreatment standards.
What are some general pollution prevention methods in industry? - ANS1.
Good operating practices (Spill containment, 1st in 1st out)
2. Material Substitutions (replace cyanide and solvents)
3. Process modification ("drag out", air vs water rinses, use pumps and
piping)
4. Product modification (lead paint)
What are the passing grades for WW license exams?
Where will you find this information? - ANSGrades 1 and 2, Industrial and
Municipal requires 66%
2
5C Prep: Regulations and
Environmental Responsibilities Test.
Latest 2026-2027. Questions & Correct
Verified Answers. Graded A
How does the CWA establish the basic structure for regulating discharge
and pollutants? - ANS1. Identify pollutants (Toxic / Priority)
2. National Pretreatment Program (40CFR 403) to establish general
pretreatment and prohibited discharge standards.
3. NPDES Permits
4. Categorical Standards
How long must daily inspection and operation logs be kept?
Where is this information found? - ANSThree years per 314 CMR 12.07
What are 40 CFR 403's general pretreatment regulations? - ANSThe
regulate pollutants that may:
1. Pass through the POTW
2. Interfere with the POTW
3. Contaminate the POTW sludge
What are 40 CFR 403's specific discharge standards? - ANSThey
specifically disallow the introduction of the following to POTW:
1. Fire or explosion hazard
1
, 2
2. Corrosive (pH not below 5.5)
3. Obstructions
4. Any pollutant discharged in quantities that interfere (ex: BOD)
5. Temps above 104°F
6. Oils
7. Toxic fumes, vapors, or gases
8. Any trucked or hauled pollutants
What are categorical pretreatment standards?
Where are they established? - ANS1. Technology performance-based
limitations that are economically achievable
2. BAT and BPT (Best Available Tech and Best Practicable Tech)
40 CFR 403 set the framework for the implementation of categorical
pretreatment standards.
What are some general pollution prevention methods in industry? - ANS1.
Good operating practices (Spill containment, 1st in 1st out)
2. Material Substitutions (replace cyanide and solvents)
3. Process modification ("drag out", air vs water rinses, use pumps and
piping)
4. Product modification (lead paint)
What are the passing grades for WW license exams?
Where will you find this information? - ANSGrades 1 and 2, Industrial and
Municipal requires 66%
2
