AND ANSWERS GRADED A+ LATEST UPDATE.
When pressure testing a new line, how much pressure do you
add? ANS >>>1.5 times normal pressure, up to 150 pounds,
whichever is greater
What would cause a repeat Bac-T sample? - 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? ANS >>>Upper layer -
Epilimnion. Middle layer - Thermocline. Bottom Layer -
Hypolimnion.
What standard must bleach meet? ANS >>>NSF (National Sanitation
Foundation)
What is the Solid contact unit? ANS >>>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?
ANS >>>Lagoon Ing/Lagoons.
What are the Log removals for cryptosporidium, giardia and
, viruses? ANS >>>Cryptosporidium - Log 2, 99%. Giardia - Log 3,
99.9%. Viruses - Log 4, 99.99%.