Fecal coliform - Study guides, Class notes & Summaries
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REHS Exam Questions Compilation |361 Questions with 100% Correct Answers | Verified | Latest Update 2024
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Which of the following organisms are most resistant to unfavorable environmental conditions 
and indicate past of possibly intermittent pollution? 
a. fecal streptococci 
b. eschericha coli 
c. aerobacter aerogenes 
d. clostridium sporulates clostridium sporulates 
The presence of which of the following is most easily identified by laboratory analysis in water 
contaminated by feces? 
a. shigella dysenteriae 
b. coliform 
c. entamoeba histolytica 
d. salmonella typhosa coliform
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REHS exam Questions with Complete Solutions /Verified Answers| Already PAssed
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Which of the following organisms are most resistant to unfavorable environmental conditions and 
indicate past of possibly intermittent pollution? 
a. fecal streptococci 
b. eschericha coli 
c. aerobacter aerogenes 
d. clostridium sporulates - ANSWER clostridium sporulates 
The presence of which of the following is most easily identified by laboratory analysis in water 
contaminated by feces? 
a. shigella dysenteriae 
b. coliform 
c. entamoeba histolytica 
d. salmonella typhosa - ANSWER coliform
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Wastewater Lab Analyst Exam Test Questions And Revised Correct Answers
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Wastewater Lab Analyst 
Exam Test Questions And Revised 
Correct Answers 
You have 0.01 mg of Manganese in 200 mL. How 
much do you have in 1L? - ANSWER : 0.05 mg 
In chemistry, what does the word Normality mean? - 
ANSWER : gram equivalent weights of reagent 
chemical per liter of solution 
The conductivity of de-ionized water should have 
how many microhmos/cm? - ANSWER : less 
than 0.2 
Results of batci test are expressed as what? - 
ANSWER : coliforms per 100 mL 
How to report TN...
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TCEQ Class C Water License Exam: Questions & Answers: Latest Updated A+ Score
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State Agency responsible for enforcing the safe drinking water act in Texas (Ans- Texas Commission on environmental Quality 
 
What minerals can cause water hardness 
(Ans- Calcium and magnesium 
 
A public water system must at all times provide 
 (Ans- Adequate quantity of water, pressure, and disinfection 
 
A source groundwater would be 
 (Ans- aquifer 
 
Fecal coliform organisms sometimes found in water supplies are an indication that 
(Ans- Water supply is contaminated, harmful bacteria m...
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REHS Exam Questions and Answers 100% Correct
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REHS Exam Questions and Answers 100% CorrectREHS Exam Questions and Answers 100% CorrectREHS Exam Questions and Answers 100% CorrectREHS Exam Questions and Answers 100% Correct 
Which of the following organisms are most resistant to unfavorable environmental conditions and indicate past of possibly intermittent pollution? 
 
a. fecal streptococci 
b. eschericha coli 
c. aerobacter aerogenes 
d. clostridium sporulates - ANSWER-clostridium sporulates 
 
The presence of which of the following is mo...
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Wastewater Study Guide Exam Questions And Answers
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Wastewater Study Guide Exam Questions And Answers 
 
 
The name of the State Agency responsible for enforcing pollution control laws in Texas is - 
 a. Texas Water Development Board 
b. Texas Water Commission 
c. Texas Section of EPA 
d. Texas Commission on Environmental Quality e. Texas Water Resource and Conservation Commission - ANS D 
 
The term pathogenic means - 
a. Aerobic Bacteria 
b. Anaerobic Bacteria 
c. Fecal Matter 
d. Coliform Bacteria 
e. Capable of Causing Disease - A...
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CWEA Grade I Laboratory Analyst, questions and answers 2023
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CWEA Grade I Laboratory Analyst, questions and answers 2023 
Chloride 
- Major anion found in many natural waters 
- Can impart salty taste in H2O 
 
 
 
What increases concentration of chloride in wastewater 
Chloride in human diet and softeners flushed into sanitary sewer system 
 
 
 
2 most prevalent methods of measuring chloride 
argentometric and mercuric nitrate 
 
 
 
Argentometric 
Titration of sample with standard solution of silver nitrate (AgNO3) 
- Indicator: Chromate ions (CrO4) 
-...
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TCEQ Class D Water Operator License Exam Questions and Answers Latest 2024/2025 | 100% Correct | Graded A+
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TCEQ Class D Water Operator License Exam Questions and Answers Latest 2024/2025 | 100% Correct | Graded A+. Drought is an extended period when a region receives a deficiency in its 
________ water supply. 
(Ans- atmospheric, ground, or surface 
T/F: Only about 1 gallon of tap water per person/day is used for drinking 
and cooking 
(Ans- True 
Excluding outside water use, the average household uses about _______ 
gallons of water per month for inside use 
(Ans- 2,000 
T/F: Only 3% of all the fres...
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REHS Exam| 361 Questions| Wityh Complete Solutions
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Which of the following organisms are most resistant to unfavorable environmental conditions and indicate past of possibly intermittent pollution? 
 
a. fecal streptococci 
b. eschericha coli 
c. aerobacter aerogenes 
d. clostridium sporulates correct answer: clostridium sporulates 
 
The presence of which of the following is most easily identified by laboratory analysis in water contaminated by feces? 
 
a. shigella dysenteriae 
b. coliform 
c. entamoeba histolytica 
d. salmonella typhosa corre...
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REHS Ultimate Exam Study Guide | 360 Questions with 100% Correct Answers | Verified | Latest Update 2024 | 91 Pages
- Exam (elaborations) • 91 pages • 2023
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Which of the following organisms are most resistant to unfavorable environmental conditions and 
indicate past of possibly intermittent pollution? 
a. fecal streptococci 
b. eschericha coli 
c. aerobacter aerogenes 
d. clostridium sporulates - clostridium sporulates 
The presence of which of the following is most easily identified by laboratory analysis in water 
contaminated by feces? 
a. shigella dysenteriae 
b. coliform 
c. entamoeba histolytica 
d. salmonella typhosa - coliform 
Which of the...
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