Ww

Front 1

chloramines are forms by the reaction of hypochlorous acid with

Back 1

ammonia

Front 2

when using chlorine as a disinfection agent the disinfection process works better under what conditions

Back 2

the ph is low and the temp is high

Front 3

bleach is a example of a

Back 3

hypochlorite

Front 4

combined sewers

Back 4

carries flow from both sanitary and and storm sewers

Front 5

eutrophication

Back 5

well nourished, abundant algal growth

Front 6

bariminutors/comminutors

Back 6

consists of bar screen made of u shaped bars and rotating drum of teeth and shear bars

Front 7

preliminary treatment

Back 7

process used to protect equipment and downstream processes of wastewater facility

Front 8

inflow

Back 8

sewage entering the collection system through unplanned outside sources/rainwater has made a channel

Front 9

exfiltration

Back 9

leakage of wastewater trough broken or damaged pipes

Front 10

domestic wastewater

Back 10

composed of organic and inorganic substances

Front 11

autotrophs

Back 11

use energy from sunlight or inorganic chemicals to reproduce

Front 12

heterotrophs

Back 12

use organic sources of energy to grown

Front 13

sand filters are a _____________ type of treatment process

Back 13

physical

Front 14

shown to be effective in reducing phosphorous levels in lagoons

Back 14

alum

Front 15

surface waters

Back 15

any stream, river, lake ,swamp etc that flows through any portion of this state

Front 16

what is public law 92-500?

Back 16

the federal water pollution control act

now called...clean water act

Front 17

what the goal of the clean water act

Back 17

to maintain water quality so that all waters are fishable and swimmable

Front 18

authorization to construct applications shall be filed

Back 18

at least 90 days in advance

Front 19

spills and reporting

Back 19

must be a report by phone to a person as soon as possible and no later than 24 hours after

Front 20

flow measurement devices shall be calibrated at a minimum of

Back 20

once per year

Front 21

flow devices shall be capable of measuring flows with a maximum deviation of less than

Back 21

10% from true discharge volumes

Front 22

lab data is for

Back 22

5 years

Front 23

what's the effects of nitrogen and phosphorus on receiving waters

Back 23

causes algae blooms

Front 24

turnover

Back 24

when bottom layer becomes warmer then the top layer

Front 25

whats purpose of sloped bottom>

Back 25

for drainage

Front 26

problem that occurs in wetlands?

Back 26

bod overloading

Front 27

plug flow

Back 27

plug in one side comes out the other

Front 28

vector

Back 28

critters,mosquitoes,rats

Front 29

activated sludge

Back 29

raw organic materials in wastewater

Front 30

stabilized waste

Back 30

waste being fled by bacteria

Front 31

diffused air

Back 31

pumped or compressed air, warms air and blows out

Front 32

mcrt

Back 32

mean cell resident time- average time bod is in system

Front 33

blowers

Back 33

discharge air and push air out

Front 34

air filters

Back 34

remove dirt from air

Front 35

epa

Back 35

environmental protection agency

Front 36

whats the purpose of sampling

Back 36

quality control

Front 37

3 forms of chlorine

Back 37

liquid,gas,powder

Front 38

chlorine contact time

Back 38

2 hours

Front 39

what's DE-chlorination

Back 39

remove chlorine from system with sulfur dioxide tablet

Front 40

purpose of secondary activated sludge treatment

Back 40

to settle floc out

Front 41

cause of foaming at plant

Back 41

indication of population of bod

Front 42

why is oxygen added to process

Back 42

to break down organic matter

Front 43

what level should D.O. be maintained throughout aeration tank

Back 43

10-40 Celsius

Front 44

splash pads

Back 44

fan out and get better coverage