18-Env-B5 Industrial & Hazardous Waste Management

Questions by sitting

December 2019

1. Question 1: Two False Statements — Hazardous Waste Identification and TCLP
2. Question 2: Microencapsulation and Macroencapsulation
3. Question 3: Half-Life from a First-Order Degradation Rate Constant
4. Question 4: Mixed-Waste Cadmium Concentration and TCLP Hazard Determination
5. Question 5: Volatilization Rate from an Open Vat of Spent MIBK
6. Question 6: Free Energy for Oxidation of Fe 2+ by MnO 2 in Acid Solution
7. Question 7: Granular Activated Carbon Required for Xylene Removal
8. Question 8: Combustion Air for One Tonne of Organic Solid Waste (C 5 H 12 )
9. Question 9: Solids Retention Time of a Bioreactor with Recycle
10. Question 10: Hazardous Waste Landfill — Bottom Liner and Final Cover Cross Sections

December 2018

1. Question 1: Sources of Hazardous Waste Beyond Large-Scale Industry
2. Question 2: Key Hazardous-Waste Terminology
3. Question 3: Metabolic and Biodegradation Terminology Pairs
4. Question 4: Determining Hazardous Waste Status under Ontario Regulation 347
5. Question 5: In-Situ Vitrification
6. Question 6: Hazardous-Waste Determination under EPA Regulations
7. Question 7: Sampling Plan for a One-Day Refinery Integrity Audit
8. Question 8: Incinerator Maximum Waste Batch Size
9. Question 9: Packed-Tower Air Stripper Design for Toluene Removal
10. Question 10: Chemical Reduction of Hexavalent Chromium with Sulfur Dioxide
11. Question 11: Solids Retention Time in an Activated-Sludge Bioreactor

May 2018

1. Question 1: Ontario Hazardous Waste Regulations
2. Question 2: Four Characteristics That Make a Waste Hazardous
3. Question 3: Hazardous-Waste Determination by Characteristic
4. Question 4: Processes for Removing Volatile Organics from Soil
5. Question 5: Why Chemoheterotrophic Bacteria Dominate Bioremediation
6. Question 6: Soil Vapor Extraction versus Bioventing
7. Question 7: Importance of the Vegetative Support Layer in a Landfill Cover
8. Question 8: Tests to Evaluate Hazardous-Waste Stabilization/Solidification
9. Question 9: Incinerator Destruction/Removal Efficiency and Particulate Compliance
10. Question 10: Mixed Waste Density, Dry-Basis Arsenic, and TCLP Toxicity
11. Question 11: Recycled Bioreactor — Hydraulic and Sludge Retention Time
12. Question 12: Packed-Tower Air Stripping Height for Chloroform
13. Question 13: Maximum Batch Size for a Heat-Rate-Limited Incinerator
14. Question 14: Vacuum Extraction Candidacy from Octanol-Water Partition Coefficients

December 2017

1. Question 1: Variations in Industrial Water Use
2. Question 2: Industrial Water Problems
3. Question 3: Basis for Water Quality
4. Question 4: Carcinogens and Cocarcinogens
5. Question 5: Consequences of Oxygen-Consuming Waste Discharge
6. Question 6: Minimum Desirable Dissolved Oxygen
7. Question 7: Acute vs. Chronic Toxicity
8. Question 8: Interferences with Potable Water Supply
9. Question 9: Interferences with Water Clarification Processes
10. Question 10: Properties of a Hazardous Waste
11. Question 11: Managing Biomedical Wastes
12. Question 12: Wastewater Plan for a Land-Constrained 50% Expansion
13. Question 13: Management Strategy for Waste Pharmaceutical Products
14. Question 14: Minimum Nutrient Requirements for Biological Treatment
15. Question 15: When to Select a Physical-Chemical Treatment Train
16. Question 16: Wastewater Treatment Proposal for a New Widget Manufacturer
17. Question 17: Handling a Bio-Inhibitory Compound
18. Question 18: Properties of a Hazardous Waste (Revisited)
19. Question 19: Minimizing Improper Disposal of Household Hazardous Waste
20. Question 20: Strategies to Reduce Industrial Waste Strength
21. Question 21: Biggest Challenges in Biomedical Waste Management
22. Question 22: Eliminating Small Quantities of Hazardous Waste in MSW
23. Question 23: Plug-Flow vs. Complete-Mix Biological Treatment
24. Question 24: Water Quality Problems in Cooling Tower Systems
25. Question 25: Cost-Effective Treatment for a Seasonal Wastewater with a Nearby Municipal Plant
26. Question 26: Management of Liquid Radioactive Wastes
27. Question 27: COD and TOC of an Ethylene Glycol Wastewater
28. Question 28: Administration of the National Biomedical Waste Guideline

May 2017

1. Question 1: Plan of Action for a Land-Constrained 50% Expansion
2. Question 2: Process Design Variables for Five Unit Processes
3. Question 3: Establishing Waste Generation Rates for a New Widget-Manufacturing Plant
4. Question 4: Managing Biomedical Wastes — Liquid vs. Solid
5. Question 5: Managing Waste Pharmaceutical Products
6. Question 6: Handling a Bio-Inhibitory Compound When Biological Treatment Is Otherwise Preferred
7. Question 7: Minimum Nutrient Requirements for Biological Treatment
8. Question 8: When to Select a Physical-Chemical Treatment Train
9. Question 9: Four Properties of a Hazardous Waste
10. Question 10: Three Strategies to Minimize Improper Disposal of Household Hazardous Waste
11. Question 11: Five Strategies to Reduce Industrial Waste Strength
12. Question 12: Biggest Challenges in Managing Biomedical Waste
13. Question 13: Eliminating Small Quantities of Hazardous Waste from Municipal Solid Waste
14. Question 14: Plug-Flow vs. Complete-Mix — Good Choice Examples
15. Question 15: Common Water Quality Problems in Cooling Tower Systems
16. Question 16: Cost-Effective Wastewater Treatment for a Seasonal Production Industry
17. Question 17: Managing Treatment and Disposal of Liquid Radioactive Wastes
18. Question 18: COD and TOC of an Ethylene Glycol Wastewater
19. Question 19: Administration of the National Biomedical Waste Guideline

December 2016

1. Question 1: Factors Governing Choice of Industrial Wastewater Treatment Process(es)
2. Question 2: TOD, COD, BOD u and BOD 5 — General Relationship (Bar Graph)
3. Question 3: Ultimate Goal of an Industrial In-Plant Waste Survey
4. Question 4: Components of an In-Plant Waste Survey
5. Question 5: Purpose of Sampling
6. Question 6: Factors Affecting Survey Results
7. Question 7: Grab Samples vs. Composite Samples — When to Use Each
8. Question 8: Circumstances for Selecting Chemical Treatment Technology
9. Question 9: Circumstances for Using Flow Equalization
10. Question 10: Municipal Control of Industrial Wastewaters
11. Question 11: Hazardous vs. Industrial Wastewater — Differentiation and Treatment Strategy
12. Question 12: Management Strategy for Waste Pharmaceutical Products
13. Question 13: Determining Waste Generation Rates and Characteristics for a Pre-Construction Industry
14. Question 14: Managing Liquid Radioactive Wastes
15. Question 15: Bio-Inhibitory Compound in an Otherwise Biologically-Treatable Waste
16. Question 16: Managing Biomedical Wastes — Liquid vs. Solid
17. Question 17: Hazardous to What/Whom? — Six Industries, Their Hazards and Management Strategies
18. Question 18: Industrial Wastewater Characteristics (50th/90th Percentile) — Significance and WWTP Design Approach
19. Question 19: Information Required From a New Pharmaceutical Industry's Discharge Application

May 2016

1. Question 1: What Are Hazardous Wastes?
2. Question 2: Why Are We Concerned With Hazardous Wastes?
3. Question 3: Hazardous Waste Sources by Sector
4. Question 4: Three Pathways of Hazardous Waste Release
5. Question 5: Four Components of a Hazardous Waste Management System
6. Question 6: Unit Processes for Managing Hazardous Wastes
7. Question 7: Six Key Strategies in Hazardous Waste Management
8. Question 8: Greatest Challenge in Managing Industrial Wastewaters
9. Question 9: Liquid Industrial Wastes — Definition and Examples
10. Question 10: Municipal Control of Industrial Wastewater Services
11. Question 11: Information Required From a New Pharmaceutical Industry Applicant
12. Question 12: Five Factors Controlling the Aerobic Digestion Process
13. Question 13: Biological Nitrification — Mechanism and Rate Control
14. Question 14: Advising an Industry on the Most Cost-Effective Wastewater Management Option
15. Question 15: Conducting an Industrial Waste Survey
16. Question 16: Secure Landfill — Description and Cross-Section Sketch
17. Question 17: Three Management Options for Landfill Leachate
18. Question 18: Annual BOD5 Sewer Surcharge for an Industrial Discharge
19. Question 19: Municipal vs. Industrial (Cannery) vs. Hazardous Wastewater — Comparison Table
20. Question 20: Estimating Waste Generation and Flow Rates for a Pre-Construction Industry
21. Question 21: Plug-Flow vs. Complete-Mix Process Selection
22. Question 22: Three Most Important Factors in Treatment Process Design
23. Question 23: Managing Biomedical Wastes — Liquid vs. Solid
24. Question 24: Treatment and Ultimate Disposal of Liquid Radioactive Wastes

December 2015

1. Question 1: Five Strategies to Reduce Liquid Industrial Waste Strength
2. Question 2: Removing Emulsified Oils from an Industrial Wastewater
3. Question 3: Five Industries with Hazardous Production Residuals and Their Hazard Reduction Strategies
4. Question 4: Steps to Conduct an Industrial Waste Survey
5. Question 5: Five Methods of Disposing (Managing) Hazardous Waste
6. Question 6: Gas Production Rate from an Anaerobic Chicken-Manure Digester
7. Question 7: A Critical Issue in the Long-Term Management of Hazardous Compounds
8. Question 8: Management Strategy for Waste Pharmaceutical Products
9. Question 9: Management of Biomedical Wastes — Liquid vs. Solid
10. Question 10: Definition of a Hazardous Waste
11. Question 11: Four Properties of a Hazardous Waste
12. Question 12: Wastewater Management Strategy and Report Index for a New Widget-Manufacturing Industry
13. Question 13: Most Effective Way to Eliminate Small Quantities of Hazardous Waste in Municipal Solid Waste
14. Question 14: The Key to Eliminating All Discharges of Hazardous Wastes from Commercial Activities
15. Question 15: Handling a Bio-Inhibitory Compound Before Biological Treatment
16. Question 16: Important Process Design Variables for Five Treatment/Disposal Unit Processes
17. Question 17: Four Critical Components of a Hazardous Waste Plan
18. Question 18: The Biggest Challenge in the Management of Bio-Medical Waste

May 2015

1. Question 1: Three Most Important Factors in Waste Treatment Process Selection
2. Question 2: Four Basic Waste Treatment Process Options
3. Question 3: Factors Affecting Analytical Results When Sampling Industrial Wastewater
4. Question 4: Five Undesirable Characteristics of a Liquid Industrial or Hazardous Waste
5. Question 5: Five Steps for a Realistic In-Plant Waste Survey
6. Question 6: Information Required for Designing an Industrial Waste Management System
7. Question 7: Ten Definitions
8. Question 8: Theoretical Oxygen Demand of Phenol
9. Question 9: Report Index and Data Requirements for a New Industry With No Existing Data
10. Question 10: Three Unit Operations for Concentrating Sludges
11. Question 11: Municipal Wastewater BOD 5 /SS Content and Cannery Population Equivalent
12. Question 12: Hazardous Materials by Industry and Hazard Reduction Strategies
13. Question 13: Six Objectives of a Land-Disposal Hazardous Waste Monitoring System
14. Question 14: Three Principles of Incinerator Design
15. Question 15: Definition of Biomedical Waste
16. Question 16: Generators of Biomedical Waste
17. Question 17: Provincial, National and International Hazardous Waste Conventions/Guidelines
18. Question 18: Situations Warranting Flow Equalization

December 2014

1. Question 1: Why Do We Collect Data?
2. Question 2: Why Use Statistics to Analyze Data?
3. Question 3: What Does a Normal Probability Curve Show?
4. Question 4: Define Standard Deviation
5. Question 5: What Is Student's 't'?
6. Question 6: Canadian Guidelines for Biomedical Waste Management
7. Question 7: Managing Biomedical Waste — Liquid vs. Solid
8. Question 8: Biggest Challenge in Biomedical Waste Management
9. Question 9: Objectives, Uses and Steps of an Industrial Waste Survey
10. Question 10: When to Use Equalization Basins
11. Question 11: Selecting Aerobic, Anaerobic, Chemical or Physical Treatment
12. Question 12: Substances Causing Toxicity in Biological Oxidation Systems
13. Question 13: Strategies to Reduce Fish Toxicity From WWTP Effluents
14. Question 14: Strategies to Reduce Industrial Liquid Waste Strength
15. Question 15: Removal Strategies for Inorganic and Organic Dissolved Solids
16. Question 16: Wastewater Management Strategy for a New Industry
17. Question 17: Critical Issue in the Long-Term Management of Hazardous Compounds
18. Question 18: Process Design Variables for Ten Waste Treatment Technologies
19. Question 19: Footprint Estimate for a Hog-Waste Treatment Technology
20. Question 20: Minimum and Maximum Oxygen Transfer to a Wastewater

May 2014

1. Question 1: Definitions
2. Question 2: Assessing Compatibility of Industrial Wastewater With a Municipal Activated-Sludge Plant
3. Question 3: Causes of Toxicity in Biological Oxidation Systems
4. Question 4: Canadian Guidelines for Biomedical Waste Management
5. Question 5: Facilities That Generate Biomedical Waste
6. Question 6: Industrial Waste Survey
7. Question 7: COD and TOC of an Ethylene Glycol Wastewater
8. Question 8: Basis for Selecting a Wastewater Treatment Process
9. Question 9: Purpose of Equalization
10. Question 10: Removing Metals From Industrial Wastewater
11. Question 11: Industries Favouring Anaerobic Biological Treatment
12. Question 12: Plug-Flow vs. Complete-Mix Biological Systems
13. Question 13: Establishing Waste Generation Rates for an Unbuilt Industry
14. Question 14: Off-Site Hazardous Waste Disposal Options
15. Question 15: Components of a Hazardous Waste Management Plan
16. Question 16: Managing Biomedical Wastes — Liquid vs. Solid
17. Question 17: Industrial vs. Hazardous Wastewater — Differences and Management Strategies
18. Question 18: Developing Information to Treat a Landfill Leachate

May 2013

1. Question 1: Widget-Industry Effluent — River Dilution Assessment
2. Question 2: Municipal Wastewater Characteristics With and Without Industrial Contributions
3. Question 3: Substances Causing Toxicity in Biological Oxidation Systems
4. Question 4: Waste Constituents Requiring Removal Before Discharge
5. Question 5: Steps in Conducting an Industrial Waste Survey
6. Question 6: Procedures to Estimate the Organic Content of an Industrial Wastewater
7. Question 7: COD and TOC of an Ethylene Glycol Wastewater
8. Question 8: Factors in Selecting a Wastewater-Treatment Process for an Industry
9. Question 9: Purposes of Equalization for Industrial Wastewater Treatment
10. Question 10: When to Consider Coagulation for an Industrial Wastewater
11. Question 11: Definitions
12. Question 12: Management of Nuclear Wastes
13. Question 13: Fuel Cycle for a Heavy Water Reactor — Mining to Permanent Disposal
14. Question 14: Uranium Mine Tailings Management Strategy
15. Question 15: What is Yellowcake?
16. Question 16: Administration of the National Biomedical Waste Guideline in Canada
17. Question 17: Disposal Options for Untreated Biomedical Waste by Category
18. Question 18: Strategies to Reduce Fish Toxicity from WWTP Effluents
19. Question 19: Strategies to Limit Discharge of Pharmaceuticals and Healthcare Products

Undated paper

1. Question 1: Correcting Five False Statements — Thermal Treatment, Composting, Fate & Transport, and Hazardous-Waste Regulation
2. Question 2: Hazardous-Waste Storage Compatibility Chart
3. Question 3: TCLP Results and Hazardous-Waste Determination Under Ontario Regulation 347
4. Question 4: Recycled Bioreactor — Hydraulic and Solids Retention Time
5. Question 5: First-Order Half-Life of Toluene in a Treatment Pond
6. Question 6: Henry's Law Constant for Benzene and Its Use in Remediation Screening
7. Question 7: Thermodynamic Feasibility of Nitrobenzene Reduction by Iron(II)
8. Question 8: Packed-Tower Air Stripper Design for Benzene-Contaminated Groundwater
9. Question 9: Present-Worth Comparison of Two Waste-Minimization Processes
10. Question 10: Hartley's Method — Time to Volatilize a Benzene Spill