Chemical and Heat Sanitizers

Question 1

What temp must be reached for heat sanitation to be effective?

Answer 1

74 C (165F)

Question 2

What does TPD regulate?

Answer 2

Therapeutic Product Directive

Regulates warehousing machine sanitizers but makes no kill cliams

Question 3

What does PMRA regulate?

Answer 3

Pest Management Regulating Agency

Oversees drug ID number, registration, and oversees products that make kill claims

Question 4

What are the 4 types of cleaning agents?

Answer 4

1) Detergents
2) Solvent/Alkaline Cleaners
3) Acid Cleaners
4) Abrasive Cleaner

Question 5

What are detergents?

Answer 5

All detergents contain:

• surfectants (lift up soil)
• most are alkaline

Question 6

What are mild alkaline detergents used for? Strong?

Answer 6

Mild: remove fresh soils from walls, floors ect.
Strong: remove baked on soils, cut through wax and grease

Question 7

What are solvents/alkaline cleansers?

Answer 7

• degreasers
• alkaline cleaner + degreasing agent
• work on grills, backsplashes, oven tops

Question 8

What are acid cleaners?

Answer 8

• only use acid cleaners when alkaline do not work
• used for scaling in dishwashers
• tarnish copper/brass
• use with caution

Question 9

What are abrasive cleaners?

Answer 9

• contain scouring agents
• remove hard-to-remove soils
• may scratch plastics and stainless steel

Question 10

What are the 3 most common chemical sanitizers?

Answer 10

1) Chlorine
2) Iodine/Iodophors
3) Quarternary Ammonium Compounds (Quats)

Question 11

What chemical sanitizers are incompatible with other chemical and should not be mixed with other detergents?
A) Chlorine
B) Quats
C) Iodine
D) Abrasive sanitizers

Answer 11

A) Chlorine

Question 12

What chemical sanitizer may leave an odour on dishes, and damage rubber and metals?
A) Chlorine
B) Quats
C) Iodine
D) Abrasive sanitizers

Answer 12

A) Chlorine

Question 13

What chemical sanitizer is ineffective and dangerous above 49C (120F) ?
A) Chlorine
B) Quats
C) Iodine
D) Abrasive sanitizers

Answer 13

A) Chlorine

Question 14

Chlorine is not ____ and will lose strength quickly. Fresh solutions must be prepared frequently, and have a maximum storage life of ____

Answer 14

stable

24 hours

Question 15

What chemical sanitizer should only be used in solutions with a pH of 5.0 or less?
A) Chlorine
B) Quats
C) Iodine
D) Abrasive sanitizers

Answer 15

C) Iodine

Question 16

What chemical sanitizers has an effective temperature range of 24 C to 34 C and vaporize and 49 C?
A) Chlorine
B) Quats
C) Iodine
D) Abrasive sanitizers

Answer 16

C) Iodine

Question 17

What chemical sanitizer is the most common, non-corrosive, non-staining and odourless?
A) Chlorine
B) Quats
C) Iodine
D) Abrasive sanitizers

Answer 17

B) Quats

Question 18

What chemical sanitizer only works with water wth a hardness of 500 mg/L or lower?
A) Chlorine
B) Quats
C) Iodine
D) Abrasive sanitizers

Answer 18

B) Quats

Question 19

(T/F) All washed and sanitized items should be air dried only

Answer 19

T

Question 20

In a single tank, stationary rack, single temp machines, the final sanitizing rinse must be exposed for at least 10 seconds at what temp?

Answer 20

74 C (165 F)

Question 21

In all other machines, the final sanitizing rinse must be exposed for at least 10 seconds at what temp?

Answer 21

82 C (180F)

Question 22

What water temp is required for chemical sanitizing machines?

Answer 22

13 C - 49 C

Temp depends on what chemical used

Question 23

manual dishwashing equipment includes _______ away from food preparation areas

Answer 23

2-3 compartment sink

Question 24

Manual dishwashing equipment should have a ___ capable of measuring 100 C, and testing equipment to determine the ___

Answer 24

thermometer

strength of sanitizing chemicals

Question 25

The minimum concentration of chlorine sanitizers for immersion and spray cleaning is: A) 12.5-25.0 mg/L for both B) 100 mg/L and 200 mg/L C) 200 mg/L for both

Answer 25

B) 100 mg/L and 200 mg/L

Question 26

The minimum concentration of iodine sanitizers for immersion and spray cleaning is: A) 12.5-25.0 mg/L for both B) 100 mg/L and 200 mg/L C) 200 mg/L for both

Answer 26

A) 12.5-25.0 mg/L for both

Question 27

The minimum concentration of quat sanitizers for immersion and spray cleaning is: A) 12.5-25.0 mg/L for both B) 100 mg/L and 200 mg/L C) 200 mg/L for both

Answer 27

C) 200 mg/L for both

Question 28

The minimum temperature of chlorine sanitizers for machine and manual use is: A) Machine (13-49 C) Manual (45-49C) B) 24C, will vaporize at 49 C C) 24 C

Answer 28

A) Machine (13-49C) Manual (45-59)

Question 29

The minimum temperature of iodine sanitizers for machine and manual use is: A) Machine (13-49 C) Manual (45-49C) B) 24C, will vaporize at 49 C C) 24 C

Answer 29

B) 24C, will vaporize at 49C

Question 30

The minimum temperature of quat sanitizers for machine and manual use is: A) Machine (13-49 C) Manual (45-49C) B) 24C, will vaporize at 49 C C) 24 C

Answer 30

C) 24C

Question 31

Which sanitizer is most effective below pH 5?

Answer 31

Iodine

Question 32

Which sanitizer is dangerous below pH 4?

Answer 32

Chlorine

Question 33

Which sanitizer is most effective around 7?

Answer 33

Quat

Question 34

(T/F) In response to organic contaminants in water, chlorine is quickly inactivated

Answer 34

T

Question 35

(T/F) In response to organic contaminants in water, iodine is not inactivated

Answer 35

F

Question 36

(T/F) In response to organic contaminants in water, quat is not easily affected

Answer 36

T

Question 37

Which chemical sanitizer is corrosive? A) iodine B) chlorine C) quat

Answer 37

B) Chlorine

Question 38

Which chemical sanitizer is sensitive to hard water? A) iodine B) chlorine C) quat

Answer 38

C) Quat | must be at a hardness of 500 mg/L or less

Question 39

The presence of iodine is indicated by what colour?

Answer 39

Amber

Question 40

In a three-compartment sink, the first sink should be in a ____ solution at a minimum temp of ___

Answer 40

``` detergent 45 C (113 F) ```

Question 41

The second sink is for ____ in clear water at minimum temp of ___

Answer 41

``` rinsing 45 C (113 F) ```

Question 42

name two ways the third sink can be used for sanitation

Answer 42

1) hot water at min temp of 77C for at least 2 mins | 2) chemical sanitizing solution, min 2 mins

Question 43

What temp is the range for chemical sanitizers to be effective?

Answer 43

13-49 C (55-120F)

Question 44

At what temp quickly kills most microbes?

Answer 44

74 C (165 f)