Physical Chemical 1 Waste Water Exam
Study Set (2026/2027) Questions and
Verified Answers, 100% Guarantee Pass
With a vacancy in the ORC(Operator Responsible Charge) or back-up ORC(Operator
Responsible Charge), how long does a system owner have to designate a new ORC(Operator
Responsible Charge) or back-up ORC(Operator Responsible Charge)? - CORRECT ANSWER -
120 Days
How long does a certified operator have to notify the commission of a change in address? -
CORRECT ANSWER -30 Days
How long does an ORC(Operator Responsible Charge) or back-up ORC(Operator Responsible
Charge) have to notify the commission and the regional office (DWR)(Division of Water
Resources) upon vacating a position? - CORRECT ANSWER -14 Days
How long can a back-up ORC fill in for a missing ORC? - CORRECT ANSWER -Not to exceed
40% of visitations required in a calendar year or not to exceed 120 consecutive days.
Application for NPDES (National Pollutant Discharge Elimination System) Permit renewals are
required how many days before the permit expires? - CORRECT ANSWER -180 Days
DMR's(Discharge Monitoring Report) must be submitted within how many days following the
end of the calendar month? - CORRECT ANSWER -30 Days
Facility owners must keep a copy of all DMR's (Discharge Monitoring Report) of for how long?
- CORRECT ANSWER -3 Years
How long do you have to report a bypass to DWR(Division of Water Resources)? - CORRECT
ANSWER -24 Hours
, Intentional falsification of records by an operator can result in: - CORRECT ANSWER -
Revocation of certification, A fine, Imprisonment
What regulation sets standards for the safe handling and use of sewage sludge? - CORRECT
ANSWER -40 CFR 503
A wastewater treatment plant operator's license may be suspended or revoked for: - CORRECT
ANSWER -Fraud or Deception, Incompetence or inability, Not using reasonable care of
judgment
What is the PH limit for NPDES permits in the state of NC? - CORRECT ANSWER -No lower
than 6, no greater than 9
When does the application for the examination need to be sent to the state? - CORRECT
ANSWER -Must be postmarked at least 30 days prior to the date of the exam.
Flow meters must be calibrated ________ - CORRECT ANSWER -yearly
The order of the three most common atmospheric tests is - CORRECT ANSWER -1. Oxygen, 2.
Combustible/Flammability, 3. Toxins
If an operator violates their permit conditions than there could be a fine of up to ______ per day
for each violation - CORRECT ANSWER -$25,000
______ is not an element of a hazard communication program - CORRECT ANSWER -
Lockout/tagout
Typical untreated wastewater is slightly ______ - CORRECT ANSWER -alkaline
Study Set (2026/2027) Questions and
Verified Answers, 100% Guarantee Pass
With a vacancy in the ORC(Operator Responsible Charge) or back-up ORC(Operator
Responsible Charge), how long does a system owner have to designate a new ORC(Operator
Responsible Charge) or back-up ORC(Operator Responsible Charge)? - CORRECT ANSWER -
120 Days
How long does a certified operator have to notify the commission of a change in address? -
CORRECT ANSWER -30 Days
How long does an ORC(Operator Responsible Charge) or back-up ORC(Operator Responsible
Charge) have to notify the commission and the regional office (DWR)(Division of Water
Resources) upon vacating a position? - CORRECT ANSWER -14 Days
How long can a back-up ORC fill in for a missing ORC? - CORRECT ANSWER -Not to exceed
40% of visitations required in a calendar year or not to exceed 120 consecutive days.
Application for NPDES (National Pollutant Discharge Elimination System) Permit renewals are
required how many days before the permit expires? - CORRECT ANSWER -180 Days
DMR's(Discharge Monitoring Report) must be submitted within how many days following the
end of the calendar month? - CORRECT ANSWER -30 Days
Facility owners must keep a copy of all DMR's (Discharge Monitoring Report) of for how long?
- CORRECT ANSWER -3 Years
How long do you have to report a bypass to DWR(Division of Water Resources)? - CORRECT
ANSWER -24 Hours
, Intentional falsification of records by an operator can result in: - CORRECT ANSWER -
Revocation of certification, A fine, Imprisonment
What regulation sets standards for the safe handling and use of sewage sludge? - CORRECT
ANSWER -40 CFR 503
A wastewater treatment plant operator's license may be suspended or revoked for: - CORRECT
ANSWER -Fraud or Deception, Incompetence or inability, Not using reasonable care of
judgment
What is the PH limit for NPDES permits in the state of NC? - CORRECT ANSWER -No lower
than 6, no greater than 9
When does the application for the examination need to be sent to the state? - CORRECT
ANSWER -Must be postmarked at least 30 days prior to the date of the exam.
Flow meters must be calibrated ________ - CORRECT ANSWER -yearly
The order of the three most common atmospheric tests is - CORRECT ANSWER -1. Oxygen, 2.
Combustible/Flammability, 3. Toxins
If an operator violates their permit conditions than there could be a fine of up to ______ per day
for each violation - CORRECT ANSWER -$25,000
______ is not an element of a hazard communication program - CORRECT ANSWER -
Lockout/tagout
Typical untreated wastewater is slightly ______ - CORRECT ANSWER -alkaline
