Summary Flashcards
FB illnesses per year
76 million
FB deaths per year
5,000
if suspected fb illness question what was consumed the last ______ hours
72 hours
BIG 5 diseases to report
HENSS hep a e coli noro shigella salmonella
possibly entamoeba histolytica
5 risk factors
improper temp inadequately cooked poor personal hygiene cross contamination food unsafe source
cooling temps
135 to 70 in 2
20 to 41 in 4
temps eggs - immediate eggs - hot holding pork/beef/fish etc. roast ground meats poultry/reheat etc.
eggs 145 15 eggs no immediate 155 15 sec pork beef fish 145 15 sec roasts 145 4 min ground meats 155 15 sec poultry 165 15 sec
8 allergens
eggs dairy fish shellfish peanuts treenuts wheat soy
freezing temps for parasites
- 4 for 7 days
- 31 for 14 hours
- 31 to solid then -4 for 24 hours
illness associated with tuna
scromboid
histamine
humans eat how much per day
1.5 lbs
hand washing must last for
20 seconds
7 haccp steps
hazard analysis ID ccp set critical limits set way to monitor ccp set actions for critical limits reached set way to monitory plan is working records
grade a raw milk and grade a milk bacti counts
50,000
15,000 per ml
how much vitamin d added to milk
400 ius
cows produce how much milk per day
5-7 gallons
most heat resistant milk pathogen
coxiella burneti q fever
this test shows if pasteurization works
phosphatase test
vat/batch method
145 30 mins sour cream yogurt
htst method
166 15 sec best method
ultra high temp method
194 3/4 sec half half whipping cream
instantaneous pasteurization method
280f shelf satable creamers
mechanical ware wash levels
50 ppm cl 30 sec 25 ppm iodine 1 min 160F temp should be 140-160 rinse is colder
mannual ware wash levels
100 ppm cl 30 sec
25 iodine 1 min
200 ppm qat 1 min
171F 30 sec
min water temp 100
type of agent that separates minerals
sequestering agent
emulsify, break down carbs, proteins, usually basic
detergents
rinse aids/surfactans are also called
wettinga gents
lighting required
10 - walk in, dry storage, reach in, bar
20 - consum self serv, produce dispensing, hand washing, warewashing, equip storage
50 - prep, knives etc.
what are ABS and LAS
sequestering agents
avg size of bacteria
.5u to 3 u
gram stain colors for pos and neg
pos purple neg pink
routes of infection most common first
respiratory oral eyes skin injection
requirements of bacti
FATTOM food - carbs/pro acidity 4.5-9 time temperature 41-135 oxygen moisture .85 or higher
bacti growth temps
psychrophiles
mesophiles 59-112 most pathogens
thermohphiles - spoilage organism
typhoid is associated with
salmonella
dysentery is associated
shigella
floppy baby is associated with
botulism
beans can cause
clost perf
rice can cause
bac cereus
preggo women/hardy organism/soft cheese
listeria
fastest acting bacti illness
staph aureus
a/c units can cause
legionaires disease
cholera is from ______ and causes _____
vibrio
rice water stools
the pheno coefficient organisms is
salmonella
name 5 deadly diseases
HIV hanta virus plague rabies yellow fever
raw oysters can give you
vibrio vulnificus
associated with predatory reef fish is
ciguatera toxin
worm in fish
anisakis
rat urine can give you
hanta virus
animal urine in water can give you
leptospirosis
hikers get this protozoan from water
giardia
spa disease organisms
pseudomonas aeruguinosa
disease common from pools
cryptosporosis
tinea is
ringgworm
tse tse fly
african sleeping sickness
which is better ppe pos or neg pressure
pos pressure
ppe should be tested how often
yearly
how many levels of PPE which is best
A-D, A is best
hazmat 4 criteria
TRIC toxicity reactivity ignitability corrosivity
DOT colors
red - explosive orange - flammable yellow - reactive green - non flammable gas blue - water reactive white - poison white blk stripe - flammable solid white over black - corrosive
DOT hazard classes
1 - explosives 2 - gas 3 - flam liq 4 - flam sol 5 - oxidizers 6 - poison/eitologic 7 - radioactive 8 - corrosive 9 - misc
NFPA from west clockwise
health, fire, reactivity, misc
ignitability typically fp less than
140F
type of reaction that releases heat
exothermic
oxygen deficient
19%
dens compared to air
vapor density
dens compared to water
spec grav
absolute pressure =
gauge pressure and atm pres
bp = ___ plus ____
vp plus atm p
toxicity levels
oral ld50 5,000 mg/kg one dose
dermal ld 50 4300 mg/kg 4 hr
inhalation lc50 10,000 ppm
allowable concentraiton for 15 min
STEL
TLV
threshold limit value
term for fresh waste water
gray water
gray water is how much solid
.2%
of solids in waste water what percent are organic
75
two items in prelim treatment
bar screens
grit removal
items in prelim treatment and type of process
physical
settling and sedimentation tanks
items in secondary treatment and type of process
biological
trickling/biofilter w/ spray arm
flocculation/coagulation with aeration tanks
tertiary treatment items and type of process
chemical process
filters, chlorination, lagoonization
aesthetic
pipe colors
r - elec y - gas g - sewer b - water p - rec water white - leach line
black water is
septic water
goal of waste water treatment
decrease BOD
dead water is
less than 4mg/l oxygen
sewage flows how fast
2 ft per second
sewage gets to treatment/disposal in how many days
2 days
how much water do humans use a day
50-100 gallons
waste water treatment is anaerobic or aerogic
aerobic
slugdge treatment is anaerobic or aerogic
anaerobic