Term
| What are three categories of water quality? |
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Definition
| physical, chemical, biological |
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Term
| What are seven types of physical water quality characteristics? |
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Definition
| turbidity, color, odor, solids, particle size distribution, temperature, conductivity |
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Term
| What are seven types of solids in water? |
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Definition
suspended
dissolved
volatile suspended
volatile dissolved
fixed suspended
fixed dissolved
settleable |
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Term
| What are nine types of chemical water quality characteristics? |
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Definition
Chemical oxygen demand (COD)
Total organic carbon (TOC)
Nitrogen
Phosphorous
Ions
pH and alkalinity
heavy metal ions
priority pollutants
organic compounds |
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Term
| What are four species of nitrogen? |
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Definition
| organic, ammonia, NO2, NO3 |
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Term
| What are two types of phosphorous? |
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Definition
|
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Term
| what are two ions of concern? |
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Definition
| chloride (Cl-), sulfate (SO4-) |
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Term
| What are nine heavy metal ions of concern? |
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Definition
| Hg, As, Pb, Zn, Cd, Cu, Ni, Cr, Ag |
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Term
| What are three types of biological water quality characteristics? |
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Definition
biological oxygen demand (BOD)
nitrogenous BOD (NBOD)
microbial population |
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Term
| What is the use or significance of measuring different types of solids in wastewater? |
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Definition
Assess the reuse potential of the wastewater
Determine the most suitable types of processes and operations for treatment |
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Term
| What is the use or significance of measuring settleable solids in wastewater? |
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Definition
| to determine the solids that will settle by gravity in a given time period |
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Term
| What is the use or significance of measuring particle size distribution in wastewater? |
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Definition
| assess the performance of treatment processes |
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Term
| What is the use or significance of measuring turbidity in wastewater? |
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Definition
| assess the quality of treated wastewater |
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Term
| What is the use or significance of measuring color in wastewater? |
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Definition
| assess the condition of wastewater (fresh or septic) |
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Term
| What is the use or significance of measuring transmittance in wastewater? |
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Definition
| assess the suitability of UV disinfection for treated effluent |
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Term
| What is the use or significance of measuring odor in wastewater? |
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Definition
| to determine if odor will be a problem |
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Term
| What is the use or significance of measuring temperature in wastewater? |
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Definition
| important in the design and operation of biological processes in treatment facilities |
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Term
| What is the use or significance of measuring conductivity in wastewater? |
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Definition
| to assess the suitability of treated effluent for agriculture |
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Term
| What is the use or significance of measuring inorganic chemical characteristics (esp nitrogen and phosphorous species) in wastewater? |
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Definition
| used as a measure of nutrients in the water and the degree of decomposition; oxidized forms can be taken as a measure of oxidation |
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Term
| What is the use or significance of measuring pH in wastewater? |
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Definition
| determining the acidity or basicity |
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Term
| What is the use or significance of measuring alkalinity in wastewater? |
|
Definition
| measure the buffering capacity of the water |
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Term
| What is the use or significance of measuring chloride in wastewater? |
|
Definition
| assess suitability for agricultural reuse |
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Term
| What is the use or significance of measuring sulfate in wastewater? |
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Definition
| assess the potential for odors. May impact treatability of waste sludge |
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Term
| What is the use or significance of measuring metals in wastewater? |
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Definition
| assess suitability of wastewater for reuse. Assess toxicity effects in treatment. Trace amounts of metals important in biological treatment |
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Term
| What is the use or significance of measuring specific inorganic elements/compounds in wastewater? |
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Definition
| to tell whether they are present |
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Term
| What is the use or significance of measuring various gases in wastewater? |
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Definition
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Term
| What is the use or significance of measuring carbonaceous BOD5 in wastewater? |
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Definition
| a measure of the amount of oxygen required to stabilize a waste biologically |
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Term
| What is the use or significance of measuring ultimate carbonaceous BOD in wastewater? |
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Definition
| a measure of the amount of oxygen required to stabilize a waste biologically |
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Term
| What is the use or significance of measuring nitrogenous oxygen demand (NOD) in wastewater? |
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Definition
| measure of the amount of oxygen required to oxidize biologically the nitrogen in wastewater to nitrate |
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Term
| What is the use or significance of measuring chemical oxygen demand in wastewater? |
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Definition
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Term
| What is the use or significance of measuring total organic carbon (TOD) in wastewater? |
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Definition
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