TCEQ Surface Water B License Test with Questions &
Answers
When pressure testing a new line, how much pressure do you add? - -1.5 times
normal pressure, up to 150 pounds, whichever is greater
What would cause a repeat Bac-T sample? - -Incomplete form, not enough sample,
silt or slime in the bottle, positive e-coli, all of the above
What are the layers of stratification? - -Upper layer - Epilimnion. Middle layer -
Thermocline. Bottom Layer - Hypolimnion.
What standard must bleach meet? - -NSF (National Sanitation Foundation)
What is the Solid contact unit? - -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? - -Lagooning/Lagoons.
What are the Log removals for cryptosporidium, giardia and viruses? - -
Cryptosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4, 99.99%.
Which two filter membranes remove the most NTUs? - -RO (Reverse Osmosis), and
Nano Filtration
What are lime and soda ash used for removing? - -Hardness
What purpose does aeration serve in the softening process? - -Releases CO2 which
helps keep hardness in solution.
What is the Jar Test Process? - -Unknown
What can replace primary coagulation? - -Cationic polymers.
What tells you that the chloramine ratio is off? - -The presence of di and tri
chloramines, and excessive free ammonia.
What is the Right to Know law? - -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? - -0.015
mg/L for Lead, 1.3 mg/L for Copper
What is the Baylis Curve? - -A curve that shows the relationship between pH values
and Alkalinity
Answers
When pressure testing a new line, how much pressure do you add? - -1.5 times
normal pressure, up to 150 pounds, whichever is greater
What would cause a repeat Bac-T sample? - -Incomplete form, not enough sample,
silt or slime in the bottle, positive e-coli, all of the above
What are the layers of stratification? - -Upper layer - Epilimnion. Middle layer -
Thermocline. Bottom Layer - Hypolimnion.
What standard must bleach meet? - -NSF (National Sanitation Foundation)
What is the Solid contact unit? - -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? - -Lagooning/Lagoons.
What are the Log removals for cryptosporidium, giardia and viruses? - -
Cryptosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4, 99.99%.
Which two filter membranes remove the most NTUs? - -RO (Reverse Osmosis), and
Nano Filtration
What are lime and soda ash used for removing? - -Hardness
What purpose does aeration serve in the softening process? - -Releases CO2 which
helps keep hardness in solution.
What is the Jar Test Process? - -Unknown
What can replace primary coagulation? - -Cationic polymers.
What tells you that the chloramine ratio is off? - -The presence of di and tri
chloramines, and excessive free ammonia.
What is the Right to Know law? - -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? - -0.015
mg/L for Lead, 1.3 mg/L for Copper
What is the Baylis Curve? - -A curve that shows the relationship between pH values
and Alkalinity
