REHS Flashcards
(204 cards)
1
Q
amount of water provided to RV’s
A
100 gal/day/camper
2
Q
distance between water and sewer lines to RV’s
A
10 ft
3
Q
distance at end of waste pipe above sink rim
A
2x pipe diameter
4
Q
pea trap in sinks prevents
A
odor
5
Q
water treatment plant should have
A
- well equipped lab
- certified operator
- chemist
6
Q
drinking water samples are called
A
grab samples
7
Q
type of bottle for bacterial exams
A
glass or plastic
8
Q
organics exam uses
A
1 gal glass with teflon lining and lid
9
Q
gas formations indicate
A
coliforms
10
Q
slow acting filters include
A
- cartridge
- slow sand
- earth
11
Q
nitrate causes
A
methenoglobinemia also known as blue baby syndrome
12
Q
waste water can be used to
A
water lawns after treatment
13
Q
how to prevent well contamination from water runoff
A
cement annular space along casing
14
Q
disaster shelter requirements
A
- 30 sq ft area per person
2. 3-6 gallons of water per person per day
15
Q
FEMA
A
federal emergency management agency - responds to national disasters
16
Q
slow sand filters are used in
A
small rural communities
17
Q
stream pollution
A
- zone of degradation
- decomposition
- recovery
18
Q
indicator of pollution in water
A
dissolved oxygen
19
Q
yellow, red soil
A
good for drain field, water passes through
20
Q
septic tank retention time
A
24-72 hours
21
Q
good soil is
A
unsaturated
22
Q
emergency facilities
A
excrete in buckets with plastic liner
23
Q
ergonomic diseases
A
- repetitive motion
- forceful action
- static posture
24
Q
prevailing wind
A
direction from which wind blows
25
prisoner requirements
1. shower 2x/day
2. change clothes 2x/day
3. meals at least 2x/day
4. guaranteed adequate recreation and work
26
prisons are a
complete community
27
humidifier in new born area
causes mold and mildew
28
flies spread
disease - require 6 inches compact dirt
29
how to prevent salmonella in shell eggs
cook to 145F for 15 seconds
store at or below 45F
Cook until done
30
Lyme Disease
Borrelia Burgdorfer - transmitted to humans by bites from black legged tick
31
water sample bottles are treated with
sodium thiosulfate - deactivates chlorine
32
major cause of death for infants to age 55
accidents
33
hazardous materials drained from crankcase
heavy metals and oil
34
EPA safe radon levels
4 pCi/L for 24 hours
35
Radon is an
alpha particle emitter
| gas form
36
alpha counter
radon detector
37
preventing radon in home
caulk cracks
38
products of radon
polonium
lead
bismuth
39
schistosomiasis
larvae, parasitic worm(cercarea)
| found in fresh water snails
40
vaccum cleaner in hospitals
causes particulates
41
energy efficient homes causes
higher rate of respiratory infections
42
Hazardous Waste
known as chemical, biological, flammable, explosive, radioactive
43
hazardous waste characteristics
toxicity, reactivity, corrosivity, ignightablility
44
hazardous waste landfills requires
double liners
groundwater monitoring
well monitoring
surveillance
45
TSCA
toxic substance control act
| regulates production, use, and disposal of toxic substances
46
OSHA requires toxic waste operators to
have 40 hours of training and protective equipment
47
Process modification
zero tolerance for hazardous waste
48
Dioxin remains in the body for
10 years
49
Hazardous materials are best stored in
corrosion resistant containers
50
What determines the depth of a sanitary landfill
1. location of bedrock
2. seasonal high ground water
3. finished grade
4. 3-5 ft above ground water
51
ringleman chart shows
shades of smoke - dtermines wheater smoke emissions are within standards
is bing replace by % opacity
52
noise level
weighted scale
53
Radiation protection
1. time
2. distance
3. shielding
54
Dept of Energy
In charge of radioactive waste management storage
55
Fresh Fish characteristics
1. red gills
2. no odor
3. eyes
56
old fish characteristics
1. grey gills
2. odor
3. sunken eyes
57
Cheese preservation process
fermentation
58
rinse water temp at manifold
180F
59
chemical sanitizer that turns silver black and has distinct odor
chlorine
60
Silverware
nickel plated with silver stainless steel
61
swimming disease that is not spread from person to person
legionella(potiac fever)
| found in hot springs, showers, tap water
62
Legionnaires disease
caused by bacteria naturally found in water
person infected by breathing in mist or steam
causes pneumonia
63
pH of pool
7.2-7.6
64
what is used to check pH of water
phenol red
65
classroom space requirements
25-30 sq ft per pupil
66
hanta virus
inhaled from deer mouse droppings
67
embargo
prohibit use or removal
68
search warrant
a writ authorizing an office to search, arrest, and seize
69
ozone is formed by
action of sunlight on nitrogen+oxygen+hydrocarbons
70
acid rain is when
nitrogen, sulfur dioxide, carbon dioxide and other pollutants react with sunlight and vapors
71
Cook Pork
145F for 15 seconds
72
Negative phosphate test
shows that milk is pasteurized
73
epidemic
occurence of illness in excess
74
indicators of pathogens in water
total coliforms, fecal e. coli
75
wellhead
surface and subsurface surrounding the well
76
turbidity is caused by
clay, silt, organic and inorganic matter
77
final landfill cover
2 feet
78
what comprises most of garbage
paper
79
maximum days to store hazardous waste without a permit
90 days
80
protection factor
indicating level of protection for respirator
81
LD factor
oral dose that is lethal for half of population
82
Disaster response measure
prior planning
83
Virus
grows in living cells
84
Aspergillus
is a mycotoxin
| caused by molds in high humidity
85
Giardia
spread by person to person
| contaminated water
86
Hemolytic Ureic Syndrom
caused by e. coli 0157h7
87
incubation
time between exposure and first symptom
88
dengue fever
caused by aedes aegypti mosquitoes
89
psittacosis
caused by birds
90
kerosene added to pond to control mosquitoes
2-20 gallons per acre
91
ice machine drain line
needs an open receptacle with air gap
92
most cockroaches in US
are german cockroach
93
Psychrometer measures
temperature and humidity
94
chimney
are built 2ft above pitch of roof to prevent downdraft
95
pool turnover rate
TR= (pool vol/flow rate)/60
96
malfeasance
inspector does unauthorized act in an unlawful manner
97
misfeasance
inspector does authorized act in an unlawful manner
98
nonfeasance
inspector does not act and is required to do so
99
Roentgen
unit of measurement for exposure to ionization(gamma, x-ray)
1 Roetgen=86ergs
100
Clean air Act
Carbon monoxide, lead, nitrogen oxide, ozone, sulfur dioxide, particulates
101
Bacteria grow in pH range greater than
4.6
102
Asbestos
fine silicates in the lungs
| causes mesothelioma
103
Hearing loss caused by
intensity, frequency, duration
104
how to lower ground water in landfills
curtain drains
105
Landfill clasess
class I - Municipal, Household, Tires
Class II - Industrial
Class III - farm landscaping
Class IV - construction
106
max hand wash temperature for jail
120F
107
Mesothelioma
caused by asbestos
malignant cells in pleura of lung
20-50 years after asbestos
108
laundry temperature in hospitals
160-167F for 25 minutes
109
Blanch Vegetables to
enhance color
destroy enzymes
prep for freezing
110
parasite destruction in fish
freeze
- 4F for 7 days
- 31F for 15 Hours
111
Myaisis
infection with diptera fly larvae
112
giardia inactivated by
1ppm chlorine in 45 minutes
113
pH increases
hypochlorus acid concentration decreases
114
Blue and Grey Soil
Extended periods of saturation
115
Chicks law
exposure time decreases with increasing sanitizer strength
116
Biosafty levels
level 1 - agents won't cuase disease
level 2 - moderate hazard
level 3 - lethal agents
level 4 - dangerous exotics
117
Halon 1301
fixed flood fire extinquishers
118
halon 1211
portable extinguishers
119
1984 RCRA Amended what
2 liners
| leachate collection
120
Anopheles
Mosquito that causes malaria
121
Aedes
Mosquito that causes Dengue and yellow fever
122
Dermacentor
Dog Tick causes Rocky mountain Spotted fever
123
Ixodes
Deer Tick causes lyme disease
124
Organisms that causes nosocomial disease
1. staph aureus
2. pseudomonas aeruinosa
3. turberculosis
4. E. coli
125
spa turnover rate
30 min
126
Bacteria found in roaches
salmonella
127
Incident commander
highest ranking officer at emergency scene
128
Rats Sexually mature at
2-3 months
129
rat bread in
spring and fall
130
rat litter amount
4-7 a year
131
3 emergency action level
1. alert
2. site emergency
3. general emergency(worst)
132
4 divisions of ICS
1. operations
2. planning
3. logistics
4. finance
133
Housing sleeping quarters space requirement
70ft sq per person
| 50 ft sq per additional person
134
how to disinfect wells
1 quart bleach in 5 gallon water
135
building structural test
support 2 1/2- 4 times the usual load
136
RCRA 1976
```
cradle to grave
protectes groundwater:
1. generation
2. treatment
3. landfill
4. transport
5. underground tanks
6. disposal of hazardous waste
```
137
Indoor Humidity Effects
>60% = condensation and mildew
>70% = fungal spores germinate
138
Disinfection
application of microbiacidal to materials which come into contact with or ingested by humans. may not kill pathogens
139
Sterilization
process of killing all microorganisms including spores
140
Sanitize
to reduce microorganisms to an acceptable level
141
Underground storage tanks are constructed of
```
double wall
fiberglass reinforced plactic
steel with heavy epoxy
cathodically protected steel tanks
at least 20 years use
```
142
above ground storage tanks are
steel
143
Sick Building Syndrome
condition affecting office workers - causes headaches and respiratory problems
caused by poor ventilation or VOC(volitale organic compound)
144
Size of particulates that carry deep into the lungs
3 um
145
3 Levels of Wast treatment
Primary - Settling, flocculants
Secondary -sand filter, activated sludge
Tertiary - chemical, coagulant
146
number of seconds FDA require to wash hands
20 seconds
147
Max Spa Temperature
102F for 15 minutes
148
Bacteria that most commonly cause diarrhea
Campylobactor jejuni
149
Filter size effective for removing giardia
1 um of less
150
how many pounds of waste per mount is exempt from RCRA
220 lbs
151
Type of filters effective against giardia
sand filters. but not for cysts
152
what is toxic hazardous waste
substances that are
1. toxic
2. reactive
3. ingnitable
4. corrosive
153
1 curie is equal to
3.7x10^10 disintegration/sec
154
alpha particles
1. stem from the nucleus
2. is not penetrative
3. stop by paper and skin
4. hazardous when ingested
used in smoke detectors
155
Beta particles
1. electron, charged negatively
2. penetrative, thin aluminum or plates
3. hazardous when ingested as well
used to treat eye and bone cancer
156
gamma rays radiation
1. not particles
2. energy emitted from nucleus - short wavelength, high energy
3. stopped by lead
used to kill cancer cells and sterilization
157
x-ray radiation
1. energy from electron
| 2. long wavelength, low energy
158
neutron radiation
1. neutron particle
2. unstable - can turn other material radioactive
3. stopped by water
159
sealed isotope used in medicine
Gold^198
160
amendment used to protect from unwarranted search and seizure
4th amendment - bill of rights
161
Endemic
occurrence of disease in a particular area
162
epidemic
wide spread occurrence of disease in a community. exceeding expectation
163
outbreak
sudden rise of disease
164
effects of antibiotics on E. coli o157h7
kills cells causing a flood of toxin
165
BOD
dissolved oxygen required during decomposing orgainc matter by aerobic bacteria
166
percentage of BOD decrease before released to environment
85%
167
Point Source Pollution
where pollution may be discharged
from pipe ditch, feedlot, well, vehicle
168
Trench Fever
Crushed lice in woound
169
endemic typhus
agent - rickettsia typhi
reservoir - rodents
bite or feces of flea xenopsylla cheopis
170
Xenopsylla Cheopis
rat flea causes endemic typhus and bubonic plague
171
Epidemic typhus
agent - rickettsia prowazeki
resorvoir - infected lice or person
crushing infected body lice
172
Bubonic plague
agent - yersinia pestis
reservoir - wild rodents
bite of flea x. cheopis.
173
Rocky mountain spotted fever
agent rickettsia rickettsii
reservoir - infected ticks, dog tick, wood tick, lone star tick
bite of tick
174
colorado tick
agent virus
reservoir - ticks and small animals
bite of infected tick, dermacentor andersoni
175
dermacentor andersoni
tick that spreads colorado tick fever
176
Tuleremia
agent Franscicella tularensis
reservoir - rabbits, muskrats, wood ticks
bit of flies or ticks, handling of infected animals
177
scabies
agent - mite
reservoir - humans, dogs, horses, swine
contact with person harboring mite
178
trypanosomiasis(sleeping sickness)
agent - trypanosoma gambiense
reservoir - humans, cattle, wild game
bite of infected tsetse fly
179
tsetse fly
bite causes sleeping sickness
180
Lyme disease
agent - borrela burgdorferi
reservoir - white footed field mice
bite of deer tick
181
dengue fever(break bone fever)
agent - virus
| aedes aegypti mosquito
182
encephalitis
agent - virus
| aedes, culex mosquito
183
Filariasis
agent - nematode worm
| culex fatigans mosquito
184
Malaria
agent - plasmodium vivax, P. falciparum
anopheles mosquito
185
RCRA
Resource Conservation Recovery Act 1976
gives EPA authority to control hazardous waste from cradle to grave.
1. generation
2. transportation
3. treatment
4. storage
5. disposal
186
EPA Superfund Enforcement
Responsible party does clean up of hazardous waste
187
Silicosis
lung disease caused by breathing in tiny bits of silica
mining, glass manufacturing, foundry work
188
BISCC
baking industry sanitation standards committee
189
Food labeling requirements by the nutritional labeling and education act
```
calories from fat
saturated fat
cholesterol
sugars
dietary fibers
```
190
purpose of DOT emergency response guide
the safe transportation of hazardous materials
191
absolute humidity
measure of actual water in the air
192
chemtrec
chemical assistance
193
bed bugs treatment
lindane
malthion - not on mattresses
pyrethium - cracks
194
Hanta Virus
Sin Nobre virus
rodents, deer mice
causes pulmonary disease
195
American disability act approved ramp inline maximum of
1:12
196
Cross Connection
actual or potential connection between a potable and non potable water supply
197
federal agency that regulated shelled mollusks
usda
198
Typhus Fever
caused by Rickettsia
199
food borne illness that causes spore former
clostridium and bascillus species
200
Clostridium Botulinum vegetative cells killed at
176F in 15 min
201
MCL
national interim primary drinking water regulations
202
noise limits in jail
70dba day
| 45 dba night
203
recommended humidity of indoor air
204
Clostridium Botulinum spores cannot germinate at pH of
