Term
|
Definition
| A microorganism that causes diseases |
|
|
Term
| The fecal-oral route describes |
|
Definition
| the transmission if pathogens from feces into water, then consumption of water to the mouth |
|
|
Term
| The four pathogen types are |
|
Definition
viruses
bacteria
protozoans
worms |
|
|
Term
| Typhoid, cholera, and dysentery have been virtually eliminated through |
|
Definition
|
|
Term
| Giardiasis and cryptosporidium are being reduced by |
|
Definition
| sedimentation, filtration, and disinfection |
|
|
Term
| Coliform bacteria are used as a water quality indicator because |
|
Definition
| they are from the same source as pathogens: fecal matter |
|
|
Term
| E. coli O157:H7 differs from other strains in that |
|
Definition
| it can actually cause sever illness |
|
|
Term
| One of the primary sources of lead in water is |
|
Definition
|
|
Term
| The C*t product is an EPA design parameter for |
|
Definition
|
|
Term
| Which is more readily inactivated by disinfection: E. coli or G. muris cysts? |
|
Definition
|
|
Term
| What is the MCL for DBPs? |
|
Definition
|
|
Term
| What is the main source of DBPs? |
|
Definition
|
|
Term
| What are some aesthetic effects of Fe in water? |
|
Definition
| rust, metal taste, red/orange stain, sediment |
|
|
Term
| What are some aesthetic effects of Mn in water? |
|
Definition
| metal taste, black/brown stain |
|
|
Term
| The turbidity standard for water is used to indicate |
|
Definition
|
|
Term
| Groundwater positive qualities (3) |
|
Definition
1. little bacteria
2. low turbidity
3. no treatment, just disinfection |
|
|
Term
| Groundwater negative qualities (3) |
|
Definition
1. unsatisfactory flow rate
2. dissolved metals
3. declining water table |
|
|
Term
|
Definition
|
|
Term
| Surface water requires extensive treatment for (4) |
|
Definition
1. suspended solids
2. microorganisms
3. inorganic chemicals
4. organic chemicals |
|
|
Term
| Since some rivers near the Ogallala aquifer are below the water level, they receive water from |
|
Definition
|
|
Term
| The two most established water regulation legislations are |
|
Definition
1. Safe Water Drinking Act ('74)
2. SWDA Amendment ('96) |
|
|
Term
| Primary standards are _____, while secondary standards focus on _____. |
|
Definition
|
|
Term
| The MCL is _____ while the MCLG is _____. |
|
Definition
|
|
Term
| Categories of contaminants (4) |
|
Definition
1. microbials
2. radionuclides
3. organics
4. inorganics |
|
|
Term
| Two kinds of chronic health effects |
|
Definition
1. chronic effect (non-carcinogenic)
2. carcinogenic |
|
|
Term
| Non-carcinogens are _____ contaminants. |
|
Definition
|
|
Term
| Typically, a cancer risk of ___ to ___ is allowed. |
|
Definition
|
|
Term
| Lifetime risk of heart disease is about __% while cancer is about __% |
|
Definition
|
|
Term
|
Definition
1. trihalomethanes (THMs)
2. haloacetic acids (HAA) |
|
|
Term
| DBPs are formed from the reaction of _____ with _____. |
|
Definition
| chlorine with natural organic matter |
|
|
Term
|
Definition
|
|
Term
| The MCL for TTHM is ___ and for HAA5 is ___, but the MCLG for both is ___. |
|
Definition
MCLs: 0.08 and 0.06 (mg/L)
MCLG: 0 |
|
|
Term
| Tap water in Auburn, AL in 2012 was approximately _____. |
|
Definition
|
|
Term
| Bottled water is typically ___ times the price of tap water. |
|
Definition
|
|
Term
| Groundwater treatment train (7) |
|
Definition
1. aeration
2. rapuid mix
3. flocculation
4. sedimentation
5. recarbonation
6. filtration
7. disinfection |
|
|
Term
| Surface water treatment train (6) |
|
Definition
1. screens
2. rapid mix
3. flocculation
4. sedimentation
5. filtration
6. disinfection |
|
|
Term
| Extraneous potential treatments (3) |
|
Definition
1. fluoride
2. activated carbon
3. corrosion control |
|
|
