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2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 1) source water protection 2) treatment plant processes 3) disinfectin 4) distribution 5 ) security 6) education [Question]
multiple barriers for safe water (6)
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] smallpox given to N.A. Indians on blankets 3 points of entry for anthrax [Question]
one of the first biological warfare weapons
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] gram-, non motile Yersinia pestis zoonotic [Question]
plague
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] bubonic, septicemic and pneumonic [Question]
3 forms of plague
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] PCB's, DDT, PBB's, chloroform, vinyl chloride [Question]
Halogenated Hydrocarbons (examples)
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 1. halogenated hyrocarbons and organics 2. heavy metals 3. nonmetallic inorganics 4. biological contaminants, drugs and additives [Question]
4 groups of chemicals in drinking water
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 15 connections, 25 individuals daily at least 60 days of the year [Question]
public water system
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 15 connections for year-round or serves 25 year round residents] [Question]
community water system
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] public sysem that is not a community system and can be transient noncommunity or (TWS or NTNCWS) parks, rest stops, 25 people but not the same 25 people [Question]
noncommunity system
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] sewage [Question]
main drinking water contaminant
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] coliform [Question]
most widely used bacterial indicator
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] fre and combined chlorien, chlorine dioxide, ozone, UV irradiation. Chlorine is the most common [Question]
examples of disinfectants for water
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] Trihalomethant (THM) is most common [Question]
disinfectant byproduct
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] chloroform, bromoform, dibromochloromethane [Question]
THM examples
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] the most pwerful disinfectant but is unstable in water [Question]
Ozone
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] o.2ppm as set by National Interim Primary Drinking Water Regulations [Question]
minimum requirement of free chlorine
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] geological formation and permeability, rainfall and infiltration and hydraulic gradient [Question]
factors that influence the movement of groundwater
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] magnetic field used to find buried metals [Question]
geomagnetics
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] measures difference in conductivity (finds boundaries of contaminated plumes around landfills with leachate [Question]
electromagnetics
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] resistance with probes- identifies porosity and ground water limits [Question]
electrical resistivity
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] uses radar to measure reflection from water table [Question]
ground-probing radar
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] finds specific volatile compounds like gasoline, methane [Question]
photoionization meters
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] sandy loam or clay [Question]
microbes travle a shourt distance though (soil)
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] increases movement of pollutants in soil [Question]
acidic soil
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] float [Question]
petroleum products tend to ____
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] downward [Question]
halogenated solvents tend to migrate___
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] inversely proportional to particle size of the soil [Question]
removing bacteria from liquid in soil is
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] fine loamy sand over course sand [Question]
soil for removing viruses
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] formed by cooling and hardening of molton rock. Not good source of water granite, dioxite, basalt (some water) [Question]
igneous rocks
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] eroded rocks like sand, gravel, clay, silt, loess usually a lot of water especially sandstones, shales and limestones [Question]
sedimentary
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] heat and pressure on igneous and sedimentary (small amount of water) [Question]
metamorphic
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] caves, channels, rapid groundwater movement easily polluted [Question]
karst areas
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] sediment that is moved by glacier ice [Question]
glacial drift
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] amount of water that can be held by rock or soil [Question]
porosity
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] percentage of total volume or mass of water that drains freely our by gravity [Question]
effective porosity or specific yeild
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] volume of water retained [Question]
specific retention
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] rate of flow of water at 60F in gallons per day through cross section of 1ft2 [Question]
permeability or hydraulic conductivity
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] hydraulic conductivity times saturated thickness of aquifer [Question]
transmissivity
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] Q=KIA (Quantity of flow per time, gpd=(hyd. Conductivity)(hydraulic gradient)(cross sectinalarea) [Question]
Darcy's Law
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] special groundwater-irreplaceable and ecologically vital [Question]
Groundwater Class 1
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] current and potential sources of drinking water [Question]
Groundwater Class 2
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] not considered potential sources of drinking water salt water [Question]
Groundwater Class 3
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] total colonies of bac developing from measured portions (two 1ml and two .1ml) 48 hrs at 95F [Question]
standard plate count
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] most comon dracontiasisnhelminth [Question]
guinea-worm
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] less than 3 on threshold odor number [Question]
odor
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] not objectionalble [Question]
taste
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 0.5 Nephelometric turbidity units and occasionaly not more than 1NTU [Question]
turbidity
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] less than 15 true color units [Question]
color
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] less than 60F [Question]
temperature
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 15-30 ft deep, not dependable [Question]
dug well
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] uses an auger to go 25-60 feet, small yields, easily pollulted [Question]
bored well
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] pounded in and 50-100 feet deep [Question]
driven and jetted wells
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] in general, they are better, less contaminated [Question]
drilled well
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] more bowerful biocide than free cholorine but doesn't persist as long [Question]
chlorine dioxide
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] most powerful disinfectant but highly unstable in water and lacks persistent redisual so usually add a secondary like chlorine [Question]
ozone
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] good biocide but no persistend residual [Question]
uv radiation
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] combine small particles into aggregates as part of a process (coagulation, sedimentation, flitration) [Question]
coagulation-flocculation
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] add chemical like alum [Question]
coagulant formation (add what?)
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] Coagulant formation (alum), particle destabliization, interparticle collision [Question]
The first 3 steps of Coagulation in Coagulation-Flocculation
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] small particles transformed into larger pieces or floes [Question]
flocculation
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] solid-liquid gravity separation [Question]
seidmentation and flotation
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] introduce gas bubbles into water that attach to solids to float to top [Question]
flotation
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] suspended matter is removed (clay, silt, organic matter, [Question]
filtration
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] filtration- enterovirus, giardia, legionella, reduces crytosporidium resistent to disinfection [Question]
mandated by the EPA surface water treatment rule
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] granular media filter [Question]
most common type of filter
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] very effective, grain size .25-.35mm [Question]
slow sand filter
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] treated water through granular media bed larger sand (.5-.7mm) PRE-TREATMENT is essential [Question]
rapid filtration
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] sometimes used in rapid filtration. Water enters filters under pressure [Question]
Pressure filters
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 15ppb flush for several minutes a day to reduce problem [Question]
standard for lead
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 1500 ppb may be naturally occuring causes of copper in water [Question]
standard for copper
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] raduim, uranium, polonium, can test radon in ari. Shallow wells more likely to have these [Question]
what and where are radionuclides
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] nitrates, pesticides, VOC's, hazardous materials spills [Question]
human caused contamination of water
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] solvents, cleaners, degreasers, benzene, toluene, fuel suppliers, dry cleaners, paint shops [Question]
VOC's examples
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] CNS impairment, liver and kidney, skin, cancer [Question]
VOC's healh effects
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] rod shaped, gram negative, non-spore forming, lactose fermenting with production of acid and gas at 35C [Question]
definition of coliform bacteria
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] ferments lactose at 44F. Metallic green colonies on dark purple plate [Question]
E. coli
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] sample vacuumed through a special filter that is sealed off in growing medium 44F [Question]
membrane filtration
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] colilert and colisure 35C for 24 hours [Question]
ONPG-MUG
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] the amount of oxygen available in fresh water [Question]
dissolved oxygen
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] amount of oxygen in water for microorganisms to decompose organic material - a measure of pollution [Question]
BOD
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 5 days- canneries, dairy plants [Question]
BOD Test and cause
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] when DO is low (less pollution), BOD is [Question]
when bod is high, DO is
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] oxygen equivelant of what is susceptible to oxidation by strong chemical oxidant [Question]
COD (Chemical Oxygen Demand)
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 10ppb [Question]
standard for arsenic
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] when DO is low (less pollution) [Question]
when bod is high, DO is
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] fine loamy sand over course sand and gravel [Question]
soil conditions for removal of virus and bacteria
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] streptococcus [Question]
this water organism dies off quickly outside of host
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] C. perfringens (intestines of humans and anumals) more resistant than escherichia and streptococci [Question]
very resistant to unfavorable conditions and indicate past or present pollution
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] drilled well [Question]
most dependable water well
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] air gap [Question]
best method for back flow preventor
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] dissolved calcium, magnesium bicarbonates, sulfates and chlorides [Question]
what causes water hardness
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] pipes clog and heaters become coated with lime scale [Question]
problems with hard water
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] water softener like [Question]
what fixes hard water
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] chlorine, chlorine-ammonia compounds and ozone [Question]
common disinfection of water
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] small communities, housing developments, private homes, camps, hotels [Question]
hydropneumatic tank or pressure systems are commonly used for
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Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] 10-20% [Question]
hydropneumatic tanks typically contain what percent of its volume as water?
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Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] MCLG for nitrate is 10 mg/L or 10 ppm [Question]
nitrate levels
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Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] indicates previous pollution [Question]
nitrate presence
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Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] no, they need to be augmented wit chlorine [Question]
can diatomaceous earth filters stand alone?
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Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json
2c8824d0_Flashcards_about_Potable_Water__Question
[Answer] top mixed zone of reservoir- high in o2 and algae [Question]
epilimnion
[]
Flashcards about Potable Water
Question
http://www.studystack.com/flashcard-1239832
27/1438042988051.33_20150728002308-00013-ip-10-236-191-2_726447237_3.json