TCEQ Surface Water B License
1. When pressure testing a new line, how much pressure 1.5 times normal pres-
do you add? sure, up to 150 pounds,
whichever is greater
2. 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
3. What are the layers of stratification? Upper layer - Epilimnion.
Middle layer - Thermo-
cline. Bottom Layer - Hy-
polimnion.
4. What standard must bleach meet? NSF (National Sanitation
Foundation)
5. 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.
6. What is the number one sludge removal process in Lagooning/Lagoons.
Texas?
7. What are the Log removals for cryptosporidium, giar- Cryptosporidium - Log 2,
dia and viruses? 99%. Giardia - Log 3,
99.9%. Viruses - Log 4,
99.99%.
8. Which two filter membranes remove the most NTUs?
1/7
, TCEQ Surface Water B License
RO (Reverse Osmosis),
and Nano Filtration
9. What are lime and soda ash used for removing? Hardness
10. What purpose does aeration serve in the softening Releases CO2 which helps
process? keep hardness in solution.
11. What is the Jar Test Process? Unknown
12. What can replace primary coagulation? Cationic polymers.
13. What tells you that the chloramine ratio is off? The presence of di and
tri chloramines, and exces-
sive free ammonia.
14. What is the Right to Know law? Typically included in the
MSDS. The law includes
employers providing in-
formation, training and
PPE for various chemicals
worker may be exposed to.
15. What is the action level for Lead and Copper in the 0.015 mg/L for Lead, 1.3
Lead and Copper Rule? mg/L for Copper
16. What is the Baylis Curve? A curve that shows the re-
lationship between pH val-
ues and Alkalinity
17. What two acids in water react with chlorine to form Humic and Fulvic
Trihalomethanes?
18. Alkalinity
2/7
1. When pressure testing a new line, how much pressure 1.5 times normal pres-
do you add? sure, up to 150 pounds,
whichever is greater
2. 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
3. What are the layers of stratification? Upper layer - Epilimnion.
Middle layer - Thermo-
cline. Bottom Layer - Hy-
polimnion.
4. What standard must bleach meet? NSF (National Sanitation
Foundation)
5. 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.
6. What is the number one sludge removal process in Lagooning/Lagoons.
Texas?
7. What are the Log removals for cryptosporidium, giar- Cryptosporidium - Log 2,
dia and viruses? 99%. Giardia - Log 3,
99.9%. Viruses - Log 4,
99.99%.
8. Which two filter membranes remove the most NTUs?
1/7
, TCEQ Surface Water B License
RO (Reverse Osmosis),
and Nano Filtration
9. What are lime and soda ash used for removing? Hardness
10. What purpose does aeration serve in the softening Releases CO2 which helps
process? keep hardness in solution.
11. What is the Jar Test Process? Unknown
12. What can replace primary coagulation? Cationic polymers.
13. What tells you that the chloramine ratio is off? The presence of di and
tri chloramines, and exces-
sive free ammonia.
14. What is the Right to Know law? Typically included in the
MSDS. The law includes
employers providing in-
formation, training and
PPE for various chemicals
worker may be exposed to.
15. What is the action level for Lead and Copper in the 0.015 mg/L for Lead, 1.3
Lead and Copper Rule? mg/L for Copper
16. What is the Baylis Curve? A curve that shows the re-
lationship between pH val-
ues and Alkalinity
17. What two acids in water react with chlorine to form Humic and Fulvic
Trihalomethanes?
18. Alkalinity
2/7
