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
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
3
Q
WCR
A
Waste Control Regulation
4
Q
ADR
A
Activities Designation Regulation
5
Q
EPEA
A
Environmental Protection and Enhancement Act
6
Q
CCPs
A
Commercial Chemical Products
7
Q
HW
A
Hazardous Waste
8
Q
MEK
A
Methyl ethyl ketone
9
Q
Class 1 HW
A
Explosives
10
Q
Class 2 HW
A
Gases
11
Q
Class 3 HW
A
Flammable Liquids
12
Q
Class 4 Hw
A
Flammable Solids
13
Q
Class 5.1 HW
A
Oxidizers/Organic Peroxides
14
Q
Class 6 HW
A
Poison or Infectious
15
Q
Class 7 HW
A
Radioactive
16
Q
Class 8 HW
A
Corrosive
17
Q
Class 9 HW
A
Miscellaneous
18
Q
CEPA
A
Canadian Environmental Protection Act
19
Q
AUGWM
A
Alberta User Guide for Waste Managers
20
Q
AER
A
Alberta Energy Regulator
21
Q
AEP
A
Alberta Environments and Parks
22
Q
DGTHA? Provincal or Federal?
A
Dangerous Goods Transportation and Handling Act - Provincal
23
Q
TDGA? Provincial or federal?
A
Transportation of Dangerous Goods Act- Federal
24
Q
What is industrial waste?
A
any solid, liquid or gas waste generated by industrial processes or activities.
25
Waste generated during the construction, operation or reclamation of an industrial site is considered hazardous. (T/F)
True
26
Name three example of mining waste, and explain one of them.
1. Overburden
2. tailings
3. mine water
4. Water treatment sludges
5. Emissions
27
All activities and actions required to manage waste from creation to final disposal (collection-transport-treatment-disposal-monitoring) is called?
Waste management
28
List the waste management hierarchy, from most to least preferred.
```
Prevention
Minimization
Reuse
Recycling
Energy Recovery
Disposal
```
29
This is any operation by which waste is reprocessed into products, materials or substances whether
for the original or other purposes.
Recovery/by-product management
30
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
D) waste recycle
waste reuse is WITHOUT any treatments
31
Conversion of waste to usable heat, electricity or fuel through a variety of processes is called..
Waste recovery
32
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) waste prevention
33
List four processes through which energy can be recovered from waste.
1. Combustion
2. gasification
3. pyrolyzation
4. anaerobic digestion
5. Landfil gas recovery
34
In your own words, what is hazardous waste?
Any waste, or combination of, that has the potential to cause substantial hazardous effects on the environment of human health if improperly managed
35
According to Alberta EPEA, what is a hazardous recyclable?
Any HW that is to be recycled
36
A hazardous waste is always in solid form. (T/F)
False
| Solid, liquid, gas, semisolid
37
Categories of HW (4)
1. Spent Material
2. Sludges
3. Commercial Chemical Products
4. By-products
38
Name two industries that create the largest amounts of hazardous waste.
Petroleum and chemical industries
39
Example of spent material
spent nuclear fuel
40
Example of sludge
waste water treatment sludge
41
Example of CCP
Chemical spills
42
Example of hazardous by-product
nuclear waste? mercury in coal combustion?
43
Toxic sludges and commercial chemical products are examples of hazardous waste. (T/F)
True
44
Quantities of non-hazardous wastes produced at industrial facilities are typically small compared to
hazardous wastes. (T/F)
False
45
Name four major characteristics of hazardous waste
1. Flammability
2. Corrosivity
3. Reactivity
4. Toxicity
46
ability to cause fires when being managed. Flash point less than 60 C. Example
Flammability. BTEX
47
able to deteriorate containers, human tissue, or other wastes. Acid <2 or bases >12.5. + example
Corrosive
Hydrochloric Acid
48
Tendency to become unstable. Explosively.
example
Reactive
Litium metal
49
potential to posion or harm life or the environment. LD 50 + example
Pesticide
50
A particular waste can dissolve steel containers. Is it a hazardous waste?
Yes. Corrosive
51
A particular waste has a flash point of 113°C. Based on this information, is it a hazardous waste?
No. Flashpoint is over 60'C
52
In Canada, hazardous wastes are classified into 11 Classes. (T/F)
False
9
53
Class 7 hazardous waste include:
a) explosives
b) solvents
c) nuclear substances
d) miscellaneous products
C) nuclear substances
radioactive
54
Petroleum crude oil is classified as a Class 2 Dangerous Good. (T/F)
False
Class 2 is Gases
55
What is the Class of infectious substances?
a) Class 1
b) Class 4
c) Class 5
d) Class 6
e) Class 12
d) Class 6
56
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) Canadian Environmental Protection Act
57
Transportation of a poisonous waste is regulated under Transportation of Dangerous Good. (T/F)
True?
58
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?
ADR- Activities Designation Regulation
59
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
b) Alberta Environmental Protection & Enhancement Act
60
Which of the following activities involving hazardous waste require an approval?
a) storage
b) disposal
c) treatment
d) landfilling
e) all of above
All the above
61
This is the regulation under EPEA which describes hazardous waste management procedures?
a) CEPA
b) AER
c) ADR
d) WCR
e) TDG
f) AUGWM
D) WCR
62
What is the “Alberta User Guide for Waste Managers”? List its components.
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
```
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
```
b) AER
64
This is responsible for upstream oilfield waste management
a) CEPA
b) AER
c) ADR
d) WCR
e) TDG
b) AER
65
Directive 50
Drilling Waste Management
66
Directive 51
Injection Well and Disposal Wells, well classification/logging/testing
67
Directive 55
Storage requirements for upstream oil
68
Directive 58
Oilfield waste management requirements for upstream
69
Who is responsible for manifestation of hazardous waste?
a) generator
b) Alberta Environment
c) AER
d) Transporter
e) Receiver
a) generator
70
Who is responsible for classification of hazardous waste?
a) generator
b) Alberta Environment
c) AER
d) Transporter
e) Landfill Technician
a) generator
Classify according to WCR under AUGWM
71
Who has the most responsibility for safe transportation of hazardous waste?
a) generator
b) Alberta Environment
c) AER
d) Transporter
e) Receiver
a) generator
72
Name three requirements for hazardous waste storage
1. Leakage contained
2. Waste labelled
3. Routine inspections
4. incompatible wastes keep away
5. Site is secure
6. Operators are trained
73
Name three requirements for hazardous waste handling
1. Proper collection
2. Packaging
3. Labels
4. documentation
74
What are the benefits of treatment of hazardous waste?
1. Reduce volume to be disposed
2. Make disposal safer
3. Reduce liability risk
75
4 Types of treatment
Physical
Chemical
Thermal
Biological
76
5 types of Physical Treatment
```
Evaporation
Air Stripping
Filtration
Adsorption
Solidification
```
77
4 Types of chemical treatment
Neutrilization
Chemical Precipitation
Chemical Oxidization
Hydrolysis
78
4 types of biological treatments/ bioremediation
```
Landfarming
Composting
Lagoons
Activated Sludge
Anaerobic Digestion
```
79
Steam stripping of a hazardous flue gas is an example of:
a) physical treatment
b) chemical treatment
c) biological treatment
d) thermal treatment
A) physical
80
```
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
```
d) air stripping
81
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?
I think an activated sludge would be better?
82
Anaerobic Digestion is an example of:
a) physical treatment
b) chemical treatment
c) biological treatment
d) thermal treatment
c) biological treatment
83
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) adsorption
84
How activated carbon (AC) is used for treatment of hazardous waste? Give two industry examples.
adsorption of heavy organic components.
regeneration in softener systems
85
What is the difference between encapsulation and vitrification?
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
4 Types of Thermal treatment
1. Incineration
2. Gasification
3. Pyrolysis
4. Autoclaves
87
How does chemical oxidization/reduction detoxify waste
anion/cation are reacted with the contaminate so that a less toxic substance is produced.
88
Briefly explain the activated sludge (AS) process. Is AS a physical, chemical, biological, or thermal process? In what industries AS can be used?
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
Compare and contrast gasification and pyrolysis
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
Name methods of ultimate disposal of hazardous waste (3)
Landfilling
Deep well injection
Incineration
91
Name four components of a Class I landfill
1. Two liners
2. leak detection system between liners
3. leachate collection
4. groundwater monitoring
5. Runon/off control systems
92
Toxic leachate can be disposed of in a Class I landfill. (T/F)
False
Deep well injection.
Landfill is solids only (some liquids)
93
What types of hazardous can go to an approved deep well?
1. Liquid waste
2. Produced water
3. pharmaceutical
4. waste water from Class 1 landfills
5. Toxic Leachate
94
What is incieration
Final solution.
Burning HW in combustion chamber inorder to break chemical bonds.
Emission and energy used is concern
95
What is P2 Planning
Pollution Prevention- examine current operations to develope a plant to eliminate or reduce a pollution source
