Maximum contaminant level Study guides, Class notes & Summaries
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hazmat awareness practice test 2022 with complete solutions
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compared to other types of incidents to which first responders are commonly called, hazardous material incidents typically___________. 
 
A. are shorter in duration 
B. are more complicated 
C. produce a higher rate of false alarms 
D. results in more injuries - ANSWER are more complicated 
 
by which acronym are the federal regulations detailing hazardous materials response competencies collectively known______. 
 
A. HAZEL 
B. HAZWOPER 
C. SARA 
D. HSC/HHC - ANSWER B. HAZWOPER 
 
the DOT def...
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Water Treatment Exam Preparation Grade 2: Questions & Answers: Latest Updated
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____ and/or _________ in a water supply can discolor laundry, cause a bad taste in the water, and cause taste problems in beverages such as coffee and tea. 
(Ans- Iron and/or Manganese 
 
Water systems that collect less than _____ coliform samples each month can have 1 positive sample and remain in compliance. 
(Ans- 40 
 
The maximum contaminant level for bromate is _____ mg/L. 
(Ans- 0.010 mg/L 
 
Water systems must provide at least _____ removal or inactivation of Giardia lamblia cysts bet...
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PUBH 6011 Unit 8 Exam Questions with Correct Answers
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PUBH 6011 Unit 8 Exam Questions with Correct Answers 
describe the major features of the clean water act (eg NPDES) and the safe drinking water act (eg MCL, MCLG) - Answer-MCLG- maximum contaminant level goal- level at which there would be no adverse effect. Does not take into account cost of technical feasibility. 
 
MCL- maximum contaminant level - can be adverse effects, takes cost etc into account 
 
NPDES - national pollutant discharge elimination system, permitting system under CWA for nu...
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Water Distribution Exam Sample Text Questions & Answers!!
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What is the federal law that protects public water supplies from harmful contaminants? - ANSWER SDWA Safe Drinking Water Act 
 
MCL stands for - ANSWER Maximum Contaminant Level 
 
True or False? 
 
Primary regulations are mandatory - ANSWER TRUE 
 
Secondary regulations are about what 3 things? - ANSWER Taste 
Odor 
Color of water 
 
True or False? 
 
Secondary regulations are mandatory - ANSWER FALSE 
 
What is the minimum pressure that must be maintained at all times in a distribution system?...
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Water Distribution Exam Sample Text Questions with Verified Answers
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What is the federal law that protects public water supplies from harmful contaminants? 
SDWA Safe Drinking Water Act 
MCL stands for Maximum Contaminant Level 
True or False? 
Primary regulations are mandatory TRUE 
Secondary regulations are about what 3 things? Taste 
Odor 
Color of water 
True or False? 
Secondary regulations are mandatory FALSE
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Water Operator Certification Study Material (New Mexico) Latest 2023 Graded A+
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What is MCL? Maximum Contaminent Level (MCL) 
A public water system is any system that serves a population greater that or equal to ? 15 
services connections or 25 people regulary 
What is the Maximum total chlorine residual allowed by the Disinfectant-Disinfection By- 
Prouducts Rule 4 mg/l 
What type of contaminant is Iron? Secondary 
Which Primary Contaminant is sometimes added to water supplies to prevent tooth decay? 
Fluoride 
The Failure of a public water system to comply with the NM Dri...
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AWWA ABC Water Distribution Grades 1 & 2 Questions and Answers with Certified Solutions
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AWWA ABC Water Distribution Grades 1 
& 2 Questions and Answers with 
Certified Solutions 
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 Tre...
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AWWA ABC Water Distribution Grades 1 & 2 Questions & Answers Graded A+
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Which agency sets legal limits on the concentration levels of harmful contaminants in potable water 
distributed to customers? - Answer-US Environmental Protection Agency 
The number of monthly distributions system bacteriologiacal samples required is - Answer-Based on the 
population served 
What is the maximum contaminant level for total trihalomethanes (TTHM) in the united States? - 
Answer-0.080 mg/L 
Under the Surface Water Treatment Rule, disinfection residuals must be collected at the sam...
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Water Distribution 1 certification state exam questions and answers Graded-A
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Water Distribution 1 certification state 
exam questions and answers Graded-A 
Potable water may be defined as: 
a. Any water that occasionally may be polluted from another source 
b. Any water that, according to recognized standards, is safe for consumption 
c. Water high in organic content 
d. Water that has been transported from outside the service area - CORRECT 
ANSWER-b). Any water that according to recognized standard is safe for human 
consumption. 
To prevent the entry of surface con...
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Stormwater Management Exam 1 Graded A 2024 100% Verified
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List the 5 characteristics that make water unique - stable, high specific heat, great buffer, expands at freezing, excellent solvent 
 
Why is it critical that water stores a lot of energy? - allows large bodies of water to cool or heat Earth to maintain a temperature 
 
List the elements of the hydrologic cycle including driving forces - 1/2-Evapotranspiration 
3-Condensation 
4-Precipitation 
5-Runoff 
6-Inflitration 
7-Subsurface flow 
8-Base flow 
9-Concentrated surface flow 
10-interflow (s...
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