Wastewater class 2 Ohio ABC part 1 EXAM Questions and Answers (latest
version verified for accuracy) | 2026\2027 Latest!! (Verified Answers) Stud
Guide
1. Most important factor in preventing accidents at a Attitude of the employees.
wastewater plant?
2. Plant influent appears black and has a foul odor each Decrease the distance be-
morning. The cause is traced to a pump station at a tween the on and off
subdivision which is oversized for the current number probes in the wet well.
of homes in the subdivision. What corrective action
can you take?
3. Which of the following best describes the term "public All contacts between the
relations"? staff of the utility and
those outside the staff.
4. What is a cross connection? Result of wastewater com-
ing into contact with
potable water.
5. Why is it recommended that approved backflow pre- To prevent the relief port
vention devices be installed above grade level? of the device from ever be-
coming submerged.
6. Your plant's discharge permit requires that effluent All five results.
suspended solids be tested 3 days per week. You test
five samples per week. What should you report?
7. At a minimum, how often should contact lists on emer- Quarterly.
gency response plans be verified?
8. According to the Code of Federal Regulations the term A non-domestic discharg-
"Significant Industrial User" includes. er that discharges over
25,000 gallons per day of
, Wastewater class 2 Ohio ABC part 1 EXAM Questions and Answers (latest
version verified for accuracy) | 2026\2027 Latest!! (Verified Answers) Stud
Guide
process wastewater or is
subject to specific federal
pretreatment standards.
9. What document is used to evaluate compliances with Occupational Safety and
personal protective equipment guidelines? Health Standards.
10. Which term describes the calculated amount by which Depreciation.
the value of a utility's physical property declines annu-
ally at a predetermined rate?
11. According to 40 CFR, a discharge to a municipal sep- Illicit discharge.
arate storm sewer system that is composed of storm
water mixed with industrial waste is defined by EPA as
a(n)?
12. The main detrimental effect infiltration/inflow has on Cut down the hydraulic
plant performance is to. detention time.
13. Which of the following explains how to handle a chlo- Emergency response plan
rine release?
14. Which of the following is the most significant problem Nutrient imbalance
in using the activated sludge process to treat seasonal
cannery waste?
15. An auto flow proportional chlorination system is work- Nitrites in the effluent.
ing properly. However in the morning hours when the
flow is increasing, the operator is unable to obtain a
chlorine residual. What is causing the problem?
16. Magnitude of impact.
version verified for accuracy) | 2026\2027 Latest!! (Verified Answers) Stud
Guide
1. Most important factor in preventing accidents at a Attitude of the employees.
wastewater plant?
2. Plant influent appears black and has a foul odor each Decrease the distance be-
morning. The cause is traced to a pump station at a tween the on and off
subdivision which is oversized for the current number probes in the wet well.
of homes in the subdivision. What corrective action
can you take?
3. Which of the following best describes the term "public All contacts between the
relations"? staff of the utility and
those outside the staff.
4. What is a cross connection? Result of wastewater com-
ing into contact with
potable water.
5. Why is it recommended that approved backflow pre- To prevent the relief port
vention devices be installed above grade level? of the device from ever be-
coming submerged.
6. Your plant's discharge permit requires that effluent All five results.
suspended solids be tested 3 days per week. You test
five samples per week. What should you report?
7. At a minimum, how often should contact lists on emer- Quarterly.
gency response plans be verified?
8. According to the Code of Federal Regulations the term A non-domestic discharg-
"Significant Industrial User" includes. er that discharges over
25,000 gallons per day of
, Wastewater class 2 Ohio ABC part 1 EXAM Questions and Answers (latest
version verified for accuracy) | 2026\2027 Latest!! (Verified Answers) Stud
Guide
process wastewater or is
subject to specific federal
pretreatment standards.
9. What document is used to evaluate compliances with Occupational Safety and
personal protective equipment guidelines? Health Standards.
10. Which term describes the calculated amount by which Depreciation.
the value of a utility's physical property declines annu-
ally at a predetermined rate?
11. According to 40 CFR, a discharge to a municipal sep- Illicit discharge.
arate storm sewer system that is composed of storm
water mixed with industrial waste is defined by EPA as
a(n)?
12. The main detrimental effect infiltration/inflow has on Cut down the hydraulic
plant performance is to. detention time.
13. Which of the following explains how to handle a chlo- Emergency response plan
rine release?
14. Which of the following is the most significant problem Nutrient imbalance
in using the activated sludge process to treat seasonal
cannery waste?
15. An auto flow proportional chlorination system is work- Nitrites in the effluent.
ing properly. However in the morning hours when the
flow is increasing, the operator is unable to obtain a
chlorine residual. What is causing the problem?
16. Magnitude of impact.
