AALSO Water Quality Level 1 Questions and
Answers Verified 100% Correct
Define "absorption spectroscopy"
An analytical method that uses the wavelength dependent absorption characteristics of
materials to identify and quantify specific substances
Define "accuracy"
The degree of agreement between the experimental result and the true value
Define "administrative controls"
Changes in work procedures with the goal of reducing the duration, frequency, and severity of
exposure to hazardous chemicals or situations
Define "alkalinity" (water quality definition)
A measure of water's resistance to changes in pH or its buffering capacity
What does AOB stand for?
Ammonia oxidizing bacteria
Define "ammonia oxidizing bacteria"
Nitrifying bacteria that promote oxidation of ammonia into nitrite
What does AOD stand for?
Applied ozone dose
Define "applied ozone dose"
The quantity of ozone applied for a given flow, or the required ozone production rate
Define "DPD Method"
A method of measuring the chlorine residual in water
, Define "engineering controls"
Methods that are built into the design of a plant, equipment, or process to minimize the hazard
What does GHS stand for?
Globally Harmonized System
Define "Globally Harmonized System"
An international system of classification and labelling of chemicals
Define "Laboratory Fortified Blank"
A solution of analyte-free water with known amount of target analyte
Define "Laboratory fortified matrix"
An aliquot of sample with the addition of known amount of target analyte prior to sample
preparation and analysis
Define "Laboratory fortified matrix duplicate"
A duplicate of the matrix spike also used to assess the precision and bias of a method in a given
sample matrix
Define "Matrix" (water quality definition)
The components of a sample other than the analyte of interest
Define "Matrix duplicate"
A split sample used to assess the precision of a method in a given sample matrix
What does MPN stand for?
Most Probable Number
What is MPN used for?
Quantifying an estimated concentration of bacteria
Answers Verified 100% Correct
Define "absorption spectroscopy"
An analytical method that uses the wavelength dependent absorption characteristics of
materials to identify and quantify specific substances
Define "accuracy"
The degree of agreement between the experimental result and the true value
Define "administrative controls"
Changes in work procedures with the goal of reducing the duration, frequency, and severity of
exposure to hazardous chemicals or situations
Define "alkalinity" (water quality definition)
A measure of water's resistance to changes in pH or its buffering capacity
What does AOB stand for?
Ammonia oxidizing bacteria
Define "ammonia oxidizing bacteria"
Nitrifying bacteria that promote oxidation of ammonia into nitrite
What does AOD stand for?
Applied ozone dose
Define "applied ozone dose"
The quantity of ozone applied for a given flow, or the required ozone production rate
Define "DPD Method"
A method of measuring the chlorine residual in water
, Define "engineering controls"
Methods that are built into the design of a plant, equipment, or process to minimize the hazard
What does GHS stand for?
Globally Harmonized System
Define "Globally Harmonized System"
An international system of classification and labelling of chemicals
Define "Laboratory Fortified Blank"
A solution of analyte-free water with known amount of target analyte
Define "Laboratory fortified matrix"
An aliquot of sample with the addition of known amount of target analyte prior to sample
preparation and analysis
Define "Laboratory fortified matrix duplicate"
A duplicate of the matrix spike also used to assess the precision and bias of a method in a given
sample matrix
Define "Matrix" (water quality definition)
The components of a sample other than the analyte of interest
Define "Matrix duplicate"
A split sample used to assess the precision of a method in a given sample matrix
What does MPN stand for?
Most Probable Number
What is MPN used for?
Quantifying an estimated concentration of bacteria
