True or false. If a water sample tests positive for E. coli, there is no need to test for E. coli again if the needed process to remove the bacteria has been done. True False

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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SUBJECT : EARTH SCIENCE

TOPIC : WATER QUALITY - WATER TESTING 

True or false. If a water sample tests positive for E. coli, there is no need to
test for E. coli again if the needed process to remove the bacteria has been
done.
True
O False
Transcribed Image Text:True or false. If a water sample tests positive for E. coli, there is no need to test for E. coli again if the needed process to remove the bacteria has been done. True O False
Which of the following must be tested yearly on existing water wells?
Choose all applicable indicator/s.
Total Dissolved Solids (TDS)
Bacteria
Nitrate
pH
Which of the following are not part of a routine water analysis? Choose all
applicable indicator/s.
Total Dissolved Solids (TDS)
Potassium
Hardness
Fluoride
Which of the following process must be performed on water wells with
detected E. coli?
Softening
Distillation
Reverse osmosis
Shock chlorination
Transcribed Image Text:Which of the following must be tested yearly on existing water wells? Choose all applicable indicator/s. Total Dissolved Solids (TDS) Bacteria Nitrate pH Which of the following are not part of a routine water analysis? Choose all applicable indicator/s. Total Dissolved Solids (TDS) Potassium Hardness Fluoride Which of the following process must be performed on water wells with detected E. coli? Softening Distillation Reverse osmosis Shock chlorination
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