TCEQ Surface Water B License
When pressure testing a new line, how much pressure do you add? - correct answer 1.5 times
normal pressure, up to 150 pounds, whichever is greater
What would cause a repeat Bac-T sample? - correct answer Incomplete form, not enough
sample, silt or slime in the bottle, positive e-coli, all of the above
What are the layers of stratification? - correct answer Upper layer - Epilimnion. Middle layer -
Thermocline. Bottom Layer - Hypolimnion.
What standard must bleach meet? - correct answer NSF (National Sanitation Foundation)
What is the Solid contact unit? - correct answer Also known as a Sludge blanket unit, it is an all-
in-one unit, handling mixing, flocculation and sedimentation, with an upward flow.
What is the number one sludge removal process in Texas? - correct answer Lagooning/Lagoons.
What are the Log removals for cryptosporidium, giardia and viruses? - correct answer
Cryptosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4, 99.99%.
Which two filter membranes remove the most NTUs? - correct answer RO (Reverse Osmosis),
and Nano Filtration
What are lime and soda ash used for removing? - correct answer Hardness
What purpose does aeration serve in the softening process? - correct answer Releases CO2
which helps keep hardness in solution.
What is the Jar Test Process? - correct answer Unknown
, TCEQ Surface Water B License
What can replace primary coagulation? - correct answer Cationic polymers.
What tells you that the chloramine ratio is off? - correct answer The presence of di and tri
chloramines, and excessive free ammonia.
What is the Right to Know law? - correct answer Typically included in the MSDS. The law
includes employers providing information, training and PPE for various chemicals worker may be
exposed to.
What is the action level for Lead and Copper in the Lead and Copper Rule? - correct answer
0.015 mg/L for Lead, 1.3 mg/L for Copper
What is the Baylis Curve? - correct answer A curve that shows the relationship between pH
values and Alkalinity
What two acids in water react with chlorine to form Trihalomethanes? - correct answer Humic
and Fulvic
What chemical analysis deals with changes in color at pH of either 4.5 or 8.3? - correct answer
Alkalinity
What lab test is the most significant for establishing chemical dosage for coagulating water? -
correct answer Alkalinity and pH
What factors affect coagulation? - correct answer Turbidity, pH, and temperature
What is the single most important factor in influencing coagulation? - correct answer pH
When pressure testing a new line, how much pressure do you add? - correct answer 1.5 times
normal pressure, up to 150 pounds, whichever is greater
What would cause a repeat Bac-T sample? - correct answer Incomplete form, not enough
sample, silt or slime in the bottle, positive e-coli, all of the above
What are the layers of stratification? - correct answer Upper layer - Epilimnion. Middle layer -
Thermocline. Bottom Layer - Hypolimnion.
What standard must bleach meet? - correct answer NSF (National Sanitation Foundation)
What is the Solid contact unit? - correct answer Also known as a Sludge blanket unit, it is an all-
in-one unit, handling mixing, flocculation and sedimentation, with an upward flow.
What is the number one sludge removal process in Texas? - correct answer Lagooning/Lagoons.
What are the Log removals for cryptosporidium, giardia and viruses? - correct answer
Cryptosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4, 99.99%.
Which two filter membranes remove the most NTUs? - correct answer RO (Reverse Osmosis),
and Nano Filtration
What are lime and soda ash used for removing? - correct answer Hardness
What purpose does aeration serve in the softening process? - correct answer Releases CO2
which helps keep hardness in solution.
What is the Jar Test Process? - correct answer Unknown
, TCEQ Surface Water B License
What can replace primary coagulation? - correct answer Cationic polymers.
What tells you that the chloramine ratio is off? - correct answer The presence of di and tri
chloramines, and excessive free ammonia.
What is the Right to Know law? - correct answer Typically included in the MSDS. The law
includes employers providing information, training and PPE for various chemicals worker may be
exposed to.
What is the action level for Lead and Copper in the Lead and Copper Rule? - correct answer
0.015 mg/L for Lead, 1.3 mg/L for Copper
What is the Baylis Curve? - correct answer A curve that shows the relationship between pH
values and Alkalinity
What two acids in water react with chlorine to form Trihalomethanes? - correct answer Humic
and Fulvic
What chemical analysis deals with changes in color at pH of either 4.5 or 8.3? - correct answer
Alkalinity
What lab test is the most significant for establishing chemical dosage for coagulating water? -
correct answer Alkalinity and pH
What factors affect coagulation? - correct answer Turbidity, pH, and temperature
What is the single most important factor in influencing coagulation? - correct answer pH
