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Industrial Monitoring and Protection > Unit 2- Hazardous Waste Management > Flashcards

Unit 2- Hazardous Waste Management Flashcards

1
Q

According to Activities Designation Regulation, “waste” is any substance that, according to law,
should be disposed. (T/F)

A

False.

An unwanted substance or mixture of a substance as interpreted by the generator

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2
Q

According to Waste Control Regulation, substances that are wanted are not waste and are not regulated under the WCR. (T/F)

A

True

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3
Q

WCR

A

Waste Control Regulation

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4
Q

ADR

A

Activities Designation Regulation

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5
Q

EPEA

A

Environmental Protection and Enhancement Act

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6
Q

CCPs

A

Commercial Chemical Products

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7
Q

HW

A

Hazardous Waste

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8
Q

MEK

A

Methyl ethyl ketone

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9
Q

Class 1 HW

A

Explosives

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10
Q

Class 2 HW

A

Gases

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11
Q

Class 3 HW

A

Flammable Liquids

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12
Q

Class 4 Hw

A

Flammable Solids

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13
Q

Class 5.1 HW

A

Oxidizers/Organic Peroxides

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14
Q

Class 6 HW

A

Poison or Infectious

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15
Q

Class 7 HW

A

Radioactive

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16
Q

Class 8 HW

A

Corrosive

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17
Q

Class 9 HW

A

Miscellaneous

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18
Q

CEPA

A

Canadian Environmental Protection Act

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19
Q

AUGWM

A

Alberta User Guide for Waste Managers

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20
Q

AER

A

Alberta Energy Regulator

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21
Q

AEP

A

Alberta Environments and Parks

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22
Q

DGTHA? Provincal or Federal?

A

Dangerous Goods Transportation and Handling Act - Provincal

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23
Q

TDGA? Provincial or federal?

A

Transportation of Dangerous Goods Act- Federal

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24
Q

What is industrial waste?

A

any solid, liquid or gas waste generated by industrial processes or activities.

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25
Q

Waste generated during the construction, operation or reclamation of an industrial site is considered hazardous. (T/F)

A

True

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26
Q

Name three example of mining waste, and explain one of them.

A
  1. Overburden
  2. tailings
  3. mine water
  4. Water treatment sludges
  5. Emissions
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27
Q

All activities and actions required to manage waste from creation to final disposal (collection-transport-treatment-disposal-monitoring) is called?

A

Waste management

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28
Q

List the waste management hierarchy, from most to least preferred.

A 
Prevention
Minimization
Reuse
Recycling
Energy Recovery
Disposal
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29
Q

This is any operation by which waste is reprocessed into products, materials or substances whether
for the original or other purposes.

A

Recovery/by-product management

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30
Q

In chemical pulping processes, “white liquor” becomes “black liquor” when it is used to dissolve
away lignin from wood chips. Through a sophisticated process, “black liquor” is regenerated into
“white liquor” to be used in for pulping again. This is an example of
a) waste reduction
b) waste prevention
c) waste reuse
d) waste recycle

A

D) waste recycle

waste reuse is WITHOUT any treatments

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31
Q

Conversion of waste to usable heat, electricity or fuel through a variety of processes is called..

A

Waste recovery

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32
Q

Using rainwater for fire protection, instead of release it into the sewer system is an example of:

a) waste prevention
b) waste reuse
c) due diligence
d) waste recycle
e) by-product management

A

a) waste prevention

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33
Q

List four processes through which energy can be recovered from waste.

A
  1. Combustion
  2. gasification
  3. pyrolyzation
  4. anaerobic digestion
  5. Landfil gas recovery
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34
Q

In your own words, what is hazardous waste?

A

Any waste, or combination of, that has the potential to cause substantial hazardous effects on the environment of human health if improperly managed

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35
Q

According to Alberta EPEA, what is a hazardous recyclable?

A

Any HW that is to be recycled

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36
Q

A hazardous waste is always in solid form. (T/F)

A

False

Solid, liquid, gas, semisolid

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37
Q

Categories of HW (4)

A
  1. Spent Material
  2. Sludges
  3. Commercial Chemical Products
  4. By-products
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38
Q

Name two industries that create the largest amounts of hazardous waste.

A

Petroleum and chemical industries

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39
Q

Example of spent material

A

spent nuclear fuel

40
Q

Example of sludge

A

waste water treatment sludge

41
Q

Example of CCP

A

Chemical spills

42
Q

Example of hazardous by-product

A

nuclear waste? mercury in coal combustion?

43
Q

Toxic sludges and commercial chemical products are examples of hazardous waste. (T/F)

A

True

44
Q

Quantities of non-hazardous wastes produced at industrial facilities are typically small compared to
hazardous wastes. (T/F)

A

False

45
Q

Name four major characteristics of hazardous waste

A
  1. Flammability
  2. Corrosivity
  3. Reactivity
  4. Toxicity
46
Q

ability to cause fires when being managed. Flash point less than 60 C. Example

A

Flammability. BTEX

47
Q

able to deteriorate containers, human tissue, or other wastes. Acid <2 or bases >12.5. + example

A

Corrosive

Hydrochloric Acid

48
Q

Tendency to become unstable. Explosively.

example

A

Reactive

Litium metal

49
Q

potential to posion or harm life or the environment. LD 50 + example

A

Pesticide

50
Q

A particular waste can dissolve steel containers. Is it a hazardous waste?

A

Yes. Corrosive

51
Q

A particular waste has a flash point of 113°C. Based on this information, is it a hazardous waste?

A

No. Flashpoint is over 60’C

52
Q

In Canada, hazardous wastes are classified into 11 Classes. (T/F)

A

False

9

53
Q

Class 7 hazardous waste include:

a) explosives
b) solvents
c) nuclear substances
d) miscellaneous products

A

C) nuclear substances

radioactive

54
Q

Petroleum crude oil is classified as a Class 2 Dangerous Good. (T/F)

A

False

Class 2 is Gases

55
Q

What is the Class of infectious substances?

a) Class 1
b) Class 4
c) Class 5
d) Class 6
e) Class 12

A

d) Class 6

56
Q

Exports and imports of hazardous waste and hazardous recyclables are regulated under this document.

a) Canadian Environmental Protection Act
b) Alberta Environmental Protection & Enhancement Act
c) Activities Designation Regulation
d) Alberta Energy Resources Conservation Board

A

a) Canadian Environmental Protection Act

57
Q

Transportation of a poisonous waste is regulated under Transportation of Dangerous Good. (T/F)

A

True?

58
Q

The EPEA Act prohibits anyone from carrying out activities that may impact the environment in
Alberta unless they obtain approval. What document defines such activities?

A

ADR- Activities Designation Regulation

59
Q

This document establishes a broad framework to manage waste in Alberta, including hazardous waste
and hazardous recyclables.
a) Canadian Environmental Protection Act
b) Alberta Environmental Protection & Enhancement Act
c) Activities Designation Regulation
d) Alberta Energy Regulator

A

b) Alberta Environmental Protection & Enhancement Act

60
Q

Which of the following activities involving hazardous waste require an approval?

a) storage
b) disposal
c) treatment
d) landfilling
e) all of above

A

All the above

61
Q

This is the regulation under EPEA which describes hazardous waste management procedures?

a) CEPA
b) AER
c) ADR
d) WCR
e) TDG
f) AUGWM

A

D) WCR

62
Q

What is the “Alberta User Guide for Waste Managers”? List its components.

A

Under WCR, procedures for the classification and disposal of HW.

  1. Waste classification system
  2. Test methods
  3. transportation/manifesting requirements
  4. Disposal
  5. Treatment
63
Q 
This is responsible for regulating the development of energy resources, including oil sands, natural
gas, and electricity.
a) CEPA 
b) AER 
c) ADR 
d) WCR 
e) TDG
A

b) AER

64
Q

This is responsible for upstream oilfield waste management

a) CEPA
b) AER
c) ADR
d) WCR
e) TDG

A

b) AER

65
Q

Directive 50

A

Drilling Waste Management

66
Q

Directive 51

A

Injection Well and Disposal Wells, well classification/logging/testing

67
Q

Directive 55

A

Storage requirements for upstream oil

68
Q

Directive 58

A

Oilfield waste management requirements for upstream

69
Q

Who is responsible for manifestation of hazardous waste?

a) generator
b) Alberta Environment
c) AER
d) Transporter
e) Receiver

A

a) generator

70
Q

Who is responsible for classification of hazardous waste?

a) generator
b) Alberta Environment
c) AER
d) Transporter
e) Landfill Technician

A

a) generator

Classify according to WCR under AUGWM

71
Q

Who has the most responsibility for safe transportation of hazardous waste?

a) generator
b) Alberta Environment
c) AER
d) Transporter
e) Receiver

A

a) generator

72
Q

Name three requirements for hazardous waste storage

A
  1. Leakage contained
  2. Waste labelled
  3. Routine inspections
  4. incompatible wastes keep away
  5. Site is secure
  6. Operators are trained
73
Q

Name three requirements for hazardous waste handling

A
  1. Proper collection
  2. Packaging
  3. Labels
  4. documentation
74
Q

What are the benefits of treatment of hazardous waste?

A
  1. Reduce volume to be disposed
  2. Make disposal safer
  3. Reduce liability risk
75
Q

4 Types of treatment

A

Physical
Chemical
Thermal
Biological

76
Q

5 types of Physical Treatment

A 
Evaporation
Air Stripping
Filtration
Adsorption
Solidification
77
Q

4 Types of chemical treatment

A

Neutrilization
Chemical Precipitation
Chemical Oxidization
Hydrolysis

78
Q

4 types of biological treatments/ bioremediation

A 
Landfarming
Composting
Lagoons
Activated Sludge
Anaerobic Digestion
79
Q

Steam stripping of a hazardous flue gas is an example of:

a) physical treatment
b) chemical treatment
c) biological treatment
d) thermal treatment

A

A) physical

80
Q 
Methylbenzene, also known as toluene, which is used as an industrial feedstock and a solvent, is very volatile. Which of the following techniques do you recommend to remove toluene from wastewater
stream?
a) hydrolysis 
b) ion exchange 
c) chelation 
d) air stripping 
e) lagoon
A

d) air stripping

81
Q

Several types of fungi and certain species of bacteria can use benzene as a source of carbon and energy. Do you think Landfarming would be a viable option to clean up soil contaminated with benzene?

A

I think an activated sludge would be better?

82
Q

Anaerobic Digestion is an example of:

a) physical treatment
b) chemical treatment
c) biological treatment
d) thermal treatment

A

c) biological treatment

83
Q

Treated wastewater in the Fire School goes through a bed of Granular Activated Carbon, so that any
unwanted substance gets removed. This is an example of:
a) adsorption
b) absorption
c) precipitation
d) flocculation
e) stripping

A

a) adsorption

84
Q

How activated carbon (AC) is used for treatment of hazardous waste? Give two industry examples.

A

adsorption of heavy organic components.

regeneration in softener systems

85
Q

What is the difference between encapsulation and vitrification?

A

Physical- solidification:

Encapsulation: packing haz waste in containers made of impervious/non-reactive material. Sealing in another container of concrete/plastic/steel for burial (breaking bad)

Vitrification: Transforming a substance into glass

86
Q

4 Types of Thermal treatment

A
  1. Incineration
  2. Gasification
  3. Pyrolysis
  4. Autoclaves
87
Q

How does chemical oxidization/reduction detoxify waste

A

anion/cation are reacted with the contaminate so that a less toxic substance is produced.

88
Q

Briefly explain the activated sludge (AS) process. Is AS a physical, chemical, biological, or thermal process? In what industries AS can be used?

A

Biological-

suspended micro-organisms inside a bio-reactor consume the pollutant and turn it into bio-mass, making FLOC. Floc is easily removed. Repeated until effluent is clear.

Municipal waste water treatment plants for sewage

89
Q

Compare and contrast gasification and pyrolysis

A

Gasification- turning a solid or liquid into a gas using extreme heat called syngas- partial absence of O2

Pyrolysis- Decomposition of organic material at high temps in ABSENCE of O2

90
Q

Name methods of ultimate disposal of hazardous waste (3)

A

Landfilling
Deep well injection
Incineration

91
Q

Name four components of a Class I landfill

A
  1. Two liners
  2. leak detection system between liners
  3. leachate collection
  4. groundwater monitoring
  5. Runon/off control systems
92
Q

Toxic leachate can be disposed of in a Class I landfill. (T/F)

A

False
Deep well injection.
Landfill is solids only (some liquids)

93
Q

What types of hazardous can go to an approved deep well?

A
  1. Liquid waste
  2. Produced water
  3. pharmaceutical
  4. waste water from Class 1 landfills
  5. Toxic Leachate
94
Q

What is incieration

A

Final solution.
Burning HW in combustion chamber inorder to break chemical bonds.

Emission and energy used is concern

95
Q

What is P2 Planning

A

Pollution Prevention- examine current operations to develope a plant to eliminate or reduce a pollution source

Industrial Monitoring and Protection (5 decks)

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