Questions and Answers
What is the term for the smallest unit of a chemical element?
What is the law that states that the volume of a gas is inversely proportional to the pressure?
What is the unit of measurement for the concentration of a substance in a mixture?
What is the term for a mixture of two or more substances, where each substance maintains its chemical properties?
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What is the formula used to calculate the Time-Weighted Average (TWA) of a substance?
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What is the term for the lowest concentration of a substance that can ignite in the presence of an ignition source?
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What is the term for the percentage of a substance in a mixture that is likely to cause harm to humans or the environment?
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What is the conversion factor used to convert pressure units to atmospheric pressure units?
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What is the state of matter characterized by a fixed shape and volume?
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What is the term for the total mass of an atom?
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What is the term for the process of breaking down into simpler substances, often with heat?
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What act is known for its provisions regarding hazardous waste generators?
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What is the term for the hazard of being surrounded by a material that can cause harm?
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What is the term for the process of wearing away or destroying a material, often through chemical reaction?
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What is the standard that requires employers to inform employees of hazardous chemicals in the workplace?
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What is the process of identifying and evaluating the characteristics of a hazardous waste site?
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What is the purpose of using ventilation in industrial settings?
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What type of ventilation is used to remove contaminants from a specific area or source?
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What is the formula to calculate the volumetric air flow?
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What is the purpose of a canopy hood in local exhaust ventilation?
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What is the primary purpose of a trench box in excavation?
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What is the purpose of calculating the capture velocity for a plain opening hood?
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What is the purpose of using pitot tubes in ventilation measurement?
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What is the main hazard associated with electrical wiring in construction?
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What is the purpose of calculating the steady-state concentration in ventilation?
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What is the purpose of grounding in electrical systems?
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What is the primary purpose of a guardrail in fall protection?
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What is the main hazard associated with scaffolds in construction?
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What is the purpose of static electricity control measures?
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What is the primary purpose of a safety net system in fall protection?
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What is the purpose of ventilation in welding and cutting operations?
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What is the primary purpose of the Hazard Communication Standard (29 CFR 1910.1200)?
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What is the purpose of the Blood-Borne Pathogens Standard (29 CFR 1910.1030)?
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What is the purpose of the Control of Hazardous Energy Standard (29 CFR 1910.147)?
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What is the purpose of the Respiratory Protection Standard (29 CFR 1910.134)?
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What is the purpose of the OSHA 300, 300-A, and 301 forms?
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What is the purpose of the Globally Harmonized System (GHS) for hazardous chemical classification?
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What is the purpose of the Comparison of Hazard Communication Requirements?
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What is the purpose of the Physical and Environmental Hazard Symbols?
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What is the term for the state of matter characterized by a fixed volume but not a fixed shape?
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What is the term for the total number of protons in the nucleus of an atom?
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What is the unit of measurement for the concentration of a substance in a mixture?
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What is the term for the process of breaking down into simpler substances, often with heat?
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What is the term for the percentage of a substance in a mixture that is likely to cause harm to humans or the environment?
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What is the act that is known for its provisions regarding hazardous waste generators?
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What is the term for the hazard of being surrounded by a material that can cause harm?
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What is the term for the process of wearing away or destroying a material, often through chemical reaction?
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What is the purpose of the Hazard Communication Standard (29 CFR 1910.1200)?
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What is the term for the written program that outlines the procedures for identifying and evaluating the hazards of chemicals in the workplace?
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What is the purpose of the OSHA 300, 300-A, and 301 forms?
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What is the purpose of the Control of Hazardous Energy Standard (29 CFR 1910.147)?
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What is the purpose of the Respiratory Protection Standard (29 CFR 1910.134)?
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What is the term for the percentage of a substance in a mixture that is likely to cause harm to humans or the environment?
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What is the purpose of the Blood-Borne Pathogens Standard (29 CFR 1910.1030)?
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What is the term for the process of breaking down into simpler substances, often with heat?
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What is the term for the total mass of an atom?
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What is the formula used to calculate the Ideal Gas Law?
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What is the purpose of calculating the purge rate in ventilation?
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What is the unit of measurement for the concentration of a substance in a mixture?
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What is the formula to calculate the volumetric air flow?
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What is the purpose of the Combined Gas Law?
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What is the primary purpose of a down draft hood in local exhaust ventilation?
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What is the term for the percentage of a substance in a mixture that is likely to cause harm to humans or the environment?
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What is the term for the process of breaking down into simpler substances, often with heat?
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What is the purpose of calculating the static pressure of a fan in ventilation?
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What is the conversion factor used to convert pressure units to atmospheric pressure units?
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What is the formula used to calculate the percentage of a substance in a mixture?
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What is the purpose of rotating vane anemometers in ventilation measurement?
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What is the purpose of calculating the room air changes in ventilation?
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What is the term for the lowest concentration of a substance that can ignite in the presence of an ignition source?
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What is the purpose of calculating the capture velocity for a plain opening hood in local exhaust ventilation?
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What is the primary purpose of using a shield in trenching?
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What is the purpose of grounding in electrical systems?
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What is the primary purpose of a guardrail in fall protection?
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What is the purpose of ventilation in welding and cutting operations?
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What is the primary purpose of a safety net system in fall protection?
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What is the primary purpose of static electricity control measures?
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What is the primary purpose of bonding in electrical systems?
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What is the primary purpose of a scaffold in construction?
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What is the formula used to calculate the percentage of an element in a compound by weight?
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What is the conversion factor used to convert grams to moles?
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What is the formula used to calculate the Time-Weighted Average (TWA) of a substance?
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What is the formula used to calculate the concentration of a substance in ppm?
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What is the formula used to calculate the Lower Flammability Limit (LFL) of a mixture?
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What is the formula used to calculate the percentage of a TLV mixture?
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What is the formula used to calculate the partial pressure of a gas in a mixture?
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What is the formula used to calculate the combined gas law?
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What is the primary purpose of the Hazard Communication Standard (29 CFR 1910.1200)?
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What is the term for the program that outlines the procedures for identifying and evaluating the hazards of chemicals in the workplace?
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What is the purpose of the OSHA 300, 300-A, and 301 forms?
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What is the term for the process of identifying and evaluating the characteristics of a hazardous waste site?
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What is the purpose of the Blood-Borne Pathogens Standard (29 CFR 1910.1030)?
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What is the term for the state of matter characterized by a fixed shape and volume?
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What is the formula used to calculate the Time-Weighted Average (TWA) of a substance?
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What is the term for the percentage of a substance in a mixture that is likely to cause harm to humans or the environment?
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What is the purpose of calculating the purge rate in ventilation?
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What is the formula used to calculate the velocity of air in a ventilation system?
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What is the purpose of calculating the static pressure of a fan in a ventilation system?
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What is the purpose of calculating the capture velocity for a plain opening hood in local exhaust ventilation?
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What is the term for the process of breaking down into simpler substances, often with heat, which is a physical hazard associated with hazardous materials?
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What is the formula used to calculate the volumetric airflow rate in a ventilation system?
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Which of the following is a key regulation governing hazardous materials and hazardous wastes?
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What is the purpose of calculating the steady-state concentration in a ventilation system?
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What is the formula used to calculate the total pressure in a ventilation system?
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What is the term for the measurement of the concentration of a substance in a mixture, often expressed in parts per million (ppm) or percentage?
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What is the purpose of using a canopy hood in local exhaust ventilation?
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What is the term for the state of matter characterized by a fixed volume but not a fixed shape, which is an important concept in hazardous materials management?
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Which of the following is a physical hazard associated with hazardous materials?
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What is the term for the process of wearing away or destroying a material, often through chemical reaction, which is a physical hazard associated with hazardous materials?
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Which of the following is a health hazard associated with hazardous materials?
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What is the purpose of the Hazard Communication Standard (29 CFR 1910.1200)?
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What is the primary purpose of a controlled access zone system in fall protection?
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What is the purpose of the assured equipment grounding conductor program in electrical safety?
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What is the primary purpose of a safety monitoring system in fall protection?
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What is the purpose of the positioning device system in fall protection?
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What is the primary purpose of a warning line system in fall protection?
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What is the purpose of the safety net system in fall protection?
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What is the primary purpose of the personal fall arrest system in fall protection?
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What is the purpose of the ground fault circuit interrupter in electrical safety?
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Study Notes
Particulates and Gases
- Particulates and Gases are discussed in the context of chemistry and hazardous materials
- Key concepts include atomic number, atomic mass, atoms, chemical bonding, moles, molecules, and compounds
- Mixtures, chemical formulas, and atomic weight of compounds are also important topics
- Acids, bases, and pH are introduced, along with gas laws, including Boyle's Law, Charles' Law, and the Ideal Gas Law
- Conversion factors, standard temperature and pressure, and concentrations of vapors, gases, and particulates are covered
- Time-weighted average, calculating PELs/TLVs, and gaseous mixtures are also mentioned
Hazardous Materials Management
- Hazardous materials and hazardous waste are defined and discussed
- Basic chemistry review includes topics such as solid, liquid, gas, and plasma states of matter, atomic mass, and atoms
- Definitions related to matter, the periodic table, and measurements of concentrations are introduced
- Hazardous materials/hazardous waste properties, including physical hazards, engulfment, over-pressurization, and fires/explosions, are covered
- Health hazards, key regulations, and classification of hazardous materials are also discussed
Regulations
-
Key regulations include the Occupational Safety and Health Act, Resource Conservation and Recovery Act, Comprehensive Environmental Response, Compensation, and Liability Act, and others
-
Hazard Communication Standard, Blood-Borne Pathogens Standard, Control of Hazardous Energy Standard, and Confined Space Entry Standard are discussed
-
Personal Protective Equipment, Respiratory Protection Standard, and Fall Protection Standard are also covered
-
Record keeping, reporting serious incidents or fatalities, and calculating total recordable incident rates are introduced### Ventilation
-
Purpose: to remove airborne contaminants and provide a healthy work environment
-
Types of ventilation:
- General Ventilation: dilutes airborne contaminants
- Dilution Ventilation: reduces concentration of airborne contaminants
- Local (Exhaust) Ventilation: removes airborne contaminants at source
-
Calculating air flow:
- Volumetric air flow
- Static pressure, velocity pressure, and total pressure
- Velocity of air
-
Contaminant generation:
- Calculation of purge rates
- Steady-state concentration
-
Local Exhaust Ventilation:
- Types of hoods: canopy, down draft, enclosure, receiving
- Calculating hood entry losses
- Capture velocity for plain opening hood
Ventilation Measurement Equipment
- Pitot tubes
- Rotating vane anemometers
- Thermal anemometers
Key Information to Remember on Ventilation
- Not provided in the text
Excavation
- Soil classifications
- Protective systems:
- Sloping
- Shoring
- Shields (trench boxes)
- RPE-designed protective systems
- Safe entry and exit
- Most commonly cited trenching violations
Electrical Safety in Construction
- Electrical definitions
- Electrical injuries:
- Electrical shock
- Burns
- Falls
- Controlling electrical hazards:
- Exposed electrical parts
- Overhead power lines
- Inadequate wiring
- Defective or damaged cords and wires
- Grounding
- Ground fault circuit interrupters
- Assured equipment grounding conductor program
- Overloaded circuits
- Safety-related work practices:
- Planning
- Training
- Summary
Static Electricity
- Bonding and grounding
- Humidification
- Static controllers (collectors)
- Additives
Scaffolds
- Fall hazards
- Falling object (struck by) protection
- Elements of safe scaffold construction
- Scaffold training requirements
Fall Protection and Prevention in Construction
- Physics of a fall
- Fall prevention and protection:
- Guardrails
- Positioning device system
- Warning line systems
- Controlled access zone system
- Safety monitoring system
- Personal fall arrest system
- Safety net systems
Cranes and Derrick Safety
- Not provided in the text
Welding, Cutting, and Brazing
- Oxygen-fuel gas welding and cutting
- Fuel gas and oxygen manifolds
- Hoses
- Torches
- Regulators and gauges
- Oil and grease hazards
- Arc welding and cutting:
- Manual electrode holders
- Welding cables and connectors
- Ground returns and machine grounding
- Resistance welding
- Fire prevention
- Ventilation and protection in welding, cutting, and heating
Hand and Power Tool Safety
- Abrasive grinders:
- Wheel testing
- The ring test
- The vibration test
- Portable circular saws
- Compressed air systems
- Housekeeping
Particulates and Gases
- Particulates and Gases are discussed in the context of chemistry and hazardous materials
- Key concepts include atomic number, atomic mass, atoms, chemical bonding, moles, molecules, and compounds
- Mixtures, chemical formulas, and atomic weight of compounds are also important topics
- Acids, bases, and pH are introduced, along with gas laws, including Boyle's Law, Charles' Law, and the Ideal Gas Law
- Conversion factors, standard temperature and pressure, and concentrations of vapors, gases, and particulates are covered
- Time-weighted average, calculating PELs/TLVs, and gaseous mixtures are also mentioned
Hazardous Materials Management
- Hazardous materials and hazardous waste are defined and discussed
- Basic chemistry review includes topics such as solid, liquid, gas, and plasma states of matter, atomic mass, and atoms
- Definitions related to matter, the periodic table, and measurements of concentrations are introduced
- Hazardous materials/hazardous waste properties, including physical hazards, engulfment, over-pressurization, and fires/explosions, are covered
- Health hazards, key regulations, and classification of hazardous materials are also discussed
Regulations
-
Key regulations include the Occupational Safety and Health Act, Resource Conservation and Recovery Act, Comprehensive Environmental Response, Compensation, and Liability Act, and others
-
Hazard Communication Standard, Blood-Borne Pathogens Standard, Control of Hazardous Energy Standard, and Confined Space Entry Standard are discussed
-
Personal Protective Equipment, Respiratory Protection Standard, and Fall Protection Standard are also covered
-
Record keeping, reporting serious incidents or fatalities, and calculating total recordable incident rates are introduced### Ventilation
-
Purpose: to remove airborne contaminants and provide a healthy work environment
-
Types of ventilation:
- General Ventilation: dilutes airborne contaminants
- Dilution Ventilation: reduces concentration of airborne contaminants
- Local (Exhaust) Ventilation: removes airborne contaminants at source
-
Calculating air flow:
- Volumetric air flow
- Static pressure, velocity pressure, and total pressure
- Velocity of air
-
Contaminant generation:
- Calculation of purge rates
- Steady-state concentration
-
Local Exhaust Ventilation:
- Types of hoods: canopy, down draft, enclosure, receiving
- Calculating hood entry losses
- Capture velocity for plain opening hood
Ventilation Measurement Equipment
- Pitot tubes
- Rotating vane anemometers
- Thermal anemometers
Key Information to Remember on Ventilation
- Not provided in the text
Excavation
- Soil classifications
- Protective systems:
- Sloping
- Shoring
- Shields (trench boxes)
- RPE-designed protective systems
- Safe entry and exit
- Most commonly cited trenching violations
Electrical Safety in Construction
- Electrical definitions
- Electrical injuries:
- Electrical shock
- Burns
- Falls
- Controlling electrical hazards:
- Exposed electrical parts
- Overhead power lines
- Inadequate wiring
- Defective or damaged cords and wires
- Grounding
- Ground fault circuit interrupters
- Assured equipment grounding conductor program
- Overloaded circuits
- Safety-related work practices:
- Planning
- Training
- Summary
Static Electricity
- Bonding and grounding
- Humidification
- Static controllers (collectors)
- Additives
Scaffolds
- Fall hazards
- Falling object (struck by) protection
- Elements of safe scaffold construction
- Scaffold training requirements
Fall Protection and Prevention in Construction
- Physics of a fall
- Fall prevention and protection:
- Guardrails
- Positioning device system
- Warning line systems
- Controlled access zone system
- Safety monitoring system
- Personal fall arrest system
- Safety net systems
Cranes and Derrick Safety
- Not provided in the text
Welding, Cutting, and Brazing
- Oxygen-fuel gas welding and cutting
- Fuel gas and oxygen manifolds
- Hoses
- Torches
- Regulators and gauges
- Oil and grease hazards
- Arc welding and cutting:
- Manual electrode holders
- Welding cables and connectors
- Ground returns and machine grounding
- Resistance welding
- Fire prevention
- Ventilation and protection in welding, cutting, and heating
Hand and Power Tool Safety
- Abrasive grinders:
- Wheel testing
- The ring test
- The vibration test
- Portable circular saws
- Compressed air systems
- Housekeeping
Particulates and Gases
- Particulates and Gases are discussed in the context of chemistry and hazardous materials
- Key concepts include atomic number, atomic mass, atoms, chemical bonding, moles, molecules, and compounds
- Mixtures, chemical formulas, and atomic weight of compounds are also important topics
- Acids, bases, and pH are introduced, along with gas laws, including Boyle's Law, Charles' Law, and the Ideal Gas Law
- Conversion factors, standard temperature and pressure, and concentrations of vapors, gases, and particulates are covered
- Time-weighted average, calculating PELs/TLVs, and gaseous mixtures are also mentioned
Hazardous Materials Management
- Hazardous materials and hazardous waste are defined and discussed
- Basic chemistry review includes topics such as solid, liquid, gas, and plasma states of matter, atomic mass, and atoms
- Definitions related to matter, the periodic table, and measurements of concentrations are introduced
- Hazardous materials/hazardous waste properties, including physical hazards, engulfment, over-pressurization, and fires/explosions, are covered
- Health hazards, key regulations, and classification of hazardous materials are also discussed
Regulations
-
Key regulations include the Occupational Safety and Health Act, Resource Conservation and Recovery Act, Comprehensive Environmental Response, Compensation, and Liability Act, and others
-
Hazard Communication Standard, Blood-Borne Pathogens Standard, Control of Hazardous Energy Standard, and Confined Space Entry Standard are discussed
-
Personal Protective Equipment, Respiratory Protection Standard, and Fall Protection Standard are also covered
-
Record keeping, reporting serious incidents or fatalities, and calculating total recordable incident rates are introduced### Ventilation
-
Purpose: to remove airborne contaminants and provide a healthy work environment
-
Types of ventilation:
- General Ventilation: dilutes airborne contaminants
- Dilution Ventilation: reduces concentration of airborne contaminants
- Local (Exhaust) Ventilation: removes airborne contaminants at source
-
Calculating air flow:
- Volumetric air flow
- Static pressure, velocity pressure, and total pressure
- Velocity of air
-
Contaminant generation:
- Calculation of purge rates
- Steady-state concentration
-
Local Exhaust Ventilation:
- Types of hoods: canopy, down draft, enclosure, receiving
- Calculating hood entry losses
- Capture velocity for plain opening hood
Ventilation Measurement Equipment
- Pitot tubes
- Rotating vane anemometers
- Thermal anemometers
Key Information to Remember on Ventilation
- Not provided in the text
Excavation
- Soil classifications
- Protective systems:
- Sloping
- Shoring
- Shields (trench boxes)
- RPE-designed protective systems
- Safe entry and exit
- Most commonly cited trenching violations
Electrical Safety in Construction
- Electrical definitions
- Electrical injuries:
- Electrical shock
- Burns
- Falls
- Controlling electrical hazards:
- Exposed electrical parts
- Overhead power lines
- Inadequate wiring
- Defective or damaged cords and wires
- Grounding
- Ground fault circuit interrupters
- Assured equipment grounding conductor program
- Overloaded circuits
- Safety-related work practices:
- Planning
- Training
- Summary
Static Electricity
- Bonding and grounding
- Humidification
- Static controllers (collectors)
- Additives
Scaffolds
- Fall hazards
- Falling object (struck by) protection
- Elements of safe scaffold construction
- Scaffold training requirements
Fall Protection and Prevention in Construction
- Physics of a fall
- Fall prevention and protection:
- Guardrails
- Positioning device system
- Warning line systems
- Controlled access zone system
- Safety monitoring system
- Personal fall arrest system
- Safety net systems
Cranes and Derrick Safety
- Not provided in the text
Welding, Cutting, and Brazing
- Oxygen-fuel gas welding and cutting
- Fuel gas and oxygen manifolds
- Hoses
- Torches
- Regulators and gauges
- Oil and grease hazards
- Arc welding and cutting:
- Manual electrode holders
- Welding cables and connectors
- Ground returns and machine grounding
- Resistance welding
- Fire prevention
- Ventilation and protection in welding, cutting, and heating
Hand and Power Tool Safety
- Abrasive grinders:
- Wheel testing
- The ring test
- The vibration test
- Portable circular saws
- Compressed air systems
- Housekeeping
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Test your understanding of chemistry fundamentals, including atomic structure, chemical bonding, and gas laws, as well as hazardous materials and chemical reactions.