Awwa - Study guides, Class notes & Summaries
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AWWA WSO Water Treatment Grades 3&4|215 Test Questions & Answers | with 100% Correct Answers | Updated & Verified
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Which disinfectant would work best against cryptosporidium? - ️️Ozone 
 
The pH of a water sample is greater that the pHs so the Langlier index? - ️️Indicates the water is scale forming. 
 
When water high in calcium bicarbonate is softened by ion exchange - ️️Sodium bicarbonate remains in the product water. 
 
Lime softening can effectively disinfect water because: - ️️The pH level is higher than 10.5 
 
A noncarbonate hardness compound is - ️️MgSO4 
 
What term refers to th...
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AWWA Basic Water Treatment Questions with Answers 2024
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AWWA Basic Water Treatment
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AWWA Operator Certification Study Guide 4thED. - Water Treatment Sample Test 3 (2024) Latest Questions & Answers!!
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AWWA Operator Certification Study Guide 4thED. - Water Treatment Sample Test 3 (2024) Latest Questions & Answers!!
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Water Treatment Operator Certification Study Guide (AWWA) Questions with 100% Correct Answers | Latest Version 2024/2025 | Expert Verified | Ace the Test
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Water Treatment Operator Certification Study Guide (AWWA) 
Questions with 100% Correct Answers | Latest Version 
2024/2025 | Expert Verified | Ace the Test
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AWWA, ADEM Grade 4 Laboratory Analysis - Equipment and Maintenance The,100% Solved
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AWWA, ADEM Grade 4 Laboratory Analysis - Equipment and Maintenance The,100% Solved 
What test is done by a lab to determine data quality? 
spiked tests samples 
 
 
 
A beaker is used primarily for 
mixing chemicals 
 
 
 
What is the primary constituent of the pH-causing ions in a water sample if the pH is above 10? 
OH-1 
 
 
 
Coliform bacteria will produce gas in _____broth at ____within____ 
lactose or lauryl tryptose, 35.5 C, 24-48hrs 
 
 
 
Number of samples under the Total coliform Rule ...
And that's how you make extra money
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CERT D - WTP - LABORATORY ANALYSIS - AWWA BOOK QUESTIONS AND ANSWERS FULLY SOLVED
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CERT D - WTP - LABORATORY ANALYSIS - AWWA BOOK
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AWWA Operator Certification Study Guide 4thED. - Water Treatment Sample Test 3 Questions and Answers
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AWWA Operator Certification Study Guide 4thED. - Water Treatment Sample Test 3 Questions and Answers 
The concentration of chlorine that is immediately dangerous to health and life (IDHL) is _____ parts per million. 
30ppm 
 
 
 
The common rate of operation of a rapid sand filter is considered to be _____ gallons per square foot per minute. 
2 to 6 
 
 
 
An operator inspects valves to determine that they are holding properly by... 
a pressure test 
 
 
 
Trihalomethane (THM) precursors are ___...
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AWWA ABC Water Distribution Grades 1 & 2|143 Questions with 100% Correct Answers | Verified | Updated 2024
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Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? - ️️US Environmental Protection Agency 
 
The number of monthly distributions system bacteriologiacal samples required is - ️️Based on the population served 
 
What is the maximum contaminant level for total trihalomethanes (TTHM) in the united States? - ️️0.080 mg/L 
 
Under the Surface Water Treatment Rule, disinfection residuals must be collected at the sam...
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AWWA WSO Water Treatment Grades 3&4 Questions and answers Graded A+
- Exam (elaborations) • 18 pages • 2024
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Which disinfectant would work best against cryptosporidium? - Ozone 
The pH of a water sample is greater that the pHs so the Langlier index? - Indicates the water is 
scale forming. 
When water high in calcium bicarbonate is softened by ion exchange - Sodium bicarbonate 
remains in the product water. 
Lime softening can effectively disinfect water because: - The pH level is higher than 10.5 
A noncarbonate hardness compound is - MgSO4 
What term refers to the reintroduction of carbon dioxide int...
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Water Plant Operator Certification Exam Prep - AWWA Questions and Answers 100% Correct
- Exam (elaborations) • 6 pages • 2024
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Water Plant Operator Certification Exam Prep - AWWA Questions and Answers 100% Correct 
Spontaneous combustion can occur if activated carbon is mixed with... 
Potassium permanganate 
 
 
 
If chemical solutions gets on a person's skin, the area should be flushed _______________, and if the chemical dust are inhaled ______________________. 
with large quantities of water, consult a physician immediately 
 
 
 
 
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