HAZWOPER Exam Questions and Answers, Exams of Nursing

Download HAZWOPER Exam Questions and Answers and more Exams Nursing in PDF only on Docsity! HAZWOPER Exam Questions with 100% Correct Answers Latest Updates 2024 A+ CAMEO Chemicals - ✔✔http://cameochemicals.noaa.gov/browse Which laws and regulations should First Responders become familar with then questions arise? - ✔✔RCRA, CERCLA, SARA, HAZCOM, OPA 90 and HAZWOPER contain in the field standards used by First Responders when working in hazardous sites. What is the Resource Conservation and Recovery Act (RCRA)? - ✔✔Resource Conservation and Recovery Act (RCRA) required the Environmental Protection Agency (EPA) to begin cradle-to-grave tracking or hazardous waste and required the establishment of standards for hazardous waste treatment, storage, and disposal facilities. What is the Comprehensive Environmental Response Compensation Liability Act (CERCLA)? - ✔✔The Superfund law provides funds to the Coast Guard (through EPA) for emergency response containment and cleanup of abandoned hazardous material releases. What are the tasks that emergency responders are trained to perform? - ✔✔Awarness Level Operations Level Technician Specialist Incident Commander Items that are documented in a Contingency Plan that directs First responders on what to do? - ✔✔Emergency Notifications Emergency Response Procedures Command Structure Identification of Resources Scenerios What is the Superfund Amendments and Reauthorization Act (SARA)? - ✔✔An extension and expansion of CERCLA required the EPA to issue regulations mandating compliance with the OSHA HAZWOPER regulation in all area no under OSHA juridicion. SARA specifically required the EPA to revise how it determines the risk posed to the public and evironment by uncontrolled hazardous waste sites. It also included a provision referred to as Community Right to Know which requires all businessess to provide the government with detailed information about the hazardous materials they work ith and have on site. What is the Hazard Communication Right to Know (HAZCOM)? - ✔✔HAZCOM serves as the foundation for unit's Hazard Communication Program. HAZCOM specifically requires employers to inform their employees about any hazardous materials they might encounter on the job and to provide them with the resouces needed to handle them appropriately. What is the OPA 90? - ✔✔Specifies the following: -The federal government will direct responses to spills -Area committees (including the Coast Guard) must develop Area Contingency Plans for spills -Owner/operators of facilities and vessels must prepare their own Response Plans. The plans developed by each of these entities are valuable resources that will help you determine what to do if you encounter an oil spill or hazardous materials release. Hazardous Waste Operations and Emergency Response (HAZWOPER)? - ✔✔The primary focus is safeguarding you, your shipmates, and the public from the dangers of oil spills and hazardous material releases while responding to incidents outside of your unit (29 CFR 1910.120) Following is a list of authorities who should always be notified of a hazardous meterial release - ✔✔Sector Command Center National Response Center (NRC) District Response Advisory Team (DRAT) Safety & Environment Health Officer Nation Strike Force (NSF) Chain of Command What equipment can help protect against chemical and physical hazards? - ✔✔Emergency Escape Breathing Device (EEBD), Multi-Gas detector and Radiation detector What is the acronym for SPE stand for? - ✔✔Severity, probabiltity, expose What are indications of a Harzardous Materials Release when a chemical spill is not obvious? - ✔✔Dead animals, lack of insect life, unexplained odors, unusual numbers of dying or sick people (mass casualties), blisters / rashes, illness in the confined area, unusual liquid droplets, different - looking areas, low-lying clouds and unusaul metal debris. After identifying the conminated area the will need to be consulted if available that provides vital information for dealing with hazardous materials. - ✔✔Material Safety Data Sheet (MSDS) Terms used to describe the physical characteristics of a hazardous materials? - ✔✔Combustible Liquids Compressed Gas Explosive, Flammable Liquid Terms used to describe the chemical characteristics of a hazardous materials? - ✔✔Oxidizer Unstable and Reactive Water-Sensitive Pyrophoric Key terms used to describe the effects of exposure to hazardous materials? - ✔✔Toxic Chemical Agents Irritants Corrosives Sensitizers Carcinogens The and are terms used to describe the exposure limits for hazardous materials. - ✔✔Permissible Exposure Limit (PEL) Threshold Limit Value (TLV) values are established by Occupational Safety and Health Administration (OSHA), and the Coast Guard is leagally bound to abide by these levels. - ✔✔Permissible Exposure Limit (PEL) is established by the American Conference of Governmental Industrial Hygienists and is considered a recommendation rather than a letter of the law. - ✔✔Threshold Limit Value (TLV) The will always use the most stringent standard for enty and site characterization, whether Threshold Limit Value (TLV) or Permissible Exposure Limit (PEL), however Threshold Limit Value (TLV) tends to be most stringent. - ✔✔Coast Guard Remember that even if you are within for a given hazardous material, your safety is not necessarily guaranteed because the PEL and TLV values are base on the likely reaction to a typical worker. - ✔✔acceptable exposure limits The are based on the concentration levels to which you are exposed over time. - ✔✔exposure guidelines Time Weighted Average (TWA) is - ✔✔acceptable concentration levels for up to an 8-hour workday during a 40-hour work week. Short - Term Exposure Limit (STEL) is - ✔✔15 - minute Time Weighted Average (TWA) exposure that should no be exceeded during a typical work day. Terms to describe the physical and chemical characteristics of a substance. - ✔✔Vapor Pressure Vapor Density Specific Gravity refers to the pressure a saturated vapor exerts above its own liquid, due to its tendency to evaporate and produce vapors, when it is stored in a closed container. - ✔✔Vapor pressure The higher the number on the Material Safety Data Sheet (MSDS), the more likely the will produce vapors. Increaded vapors result in higher pressure when the is stored in a container. - ✔✔liquid tells you whether the vapors produced by a liquid will tend to rise or fall. - ✔✔Vapor Density If a gas has a vapor density of less then the vaport will generally rise in the air. If the vapor has greater then , the gas will generally sink in the air. - ✔✔one tells you whether a liquid will rise or sink when it is put in water. - ✔✔Specific Gravity has a specific gravity of 1.0. Anything greater then 1.0 will sink and anything less then 1.0 will rise. - ✔✔Water Terms used to describe firefighting considerations - ✔✔Flash Point Flammable or Explosive Limits A liquid's is the lowest temperature at which it gives off enough vapor near its surface to form an ignitable mixture with air. - ✔✔Flash Point with low flash points are more combustible that with high flash points. - ✔✔Liquids Liquids are classified by their flash points as either combustible or flammable. However the and have different standards for combustible and flammable liquids. - ✔✔National Fire Protection Agency (NFPA) Department of Transportation (DOT) Potential hazards found on Freight / Container Vessels - ✔✔Any number of potentially hazardous materials can be found on freight / container vessels. The is a system that standardized the use of colors in hazardous materials recognition. - ✔✔National Fire Protection Association (NFPA) 704 The conveys information about hazardous materials through markings, labels, and placards. - ✔✔U.S. DOT Chart 14 The National Fire Protection Association (NFPA) 704 is a - ✔✔Designed by firefighters, the color coding used in this easily understood, non-technical system is commonly found outside the entrances of buildings. Four diamond - shaped elements are used to provide specific information about the material contained within. on packages and containers of hazardous materials provide a descriptive name, identification number, instruction, cautions, weight, specifications or UN marks, or combinations thereof. - ✔✔Markings U.S. Department of Transportation (DOT) and are formatted in the same fashion. Each provides diffenent types of informaton needed to properly identify important characteristics of hazardous materials. - ✔✔labels and placards are divided according to the nine U.S. DOT Hazard Classes. These diamond-shaped, 4 by 4 labels are placed on packages containing hazardous materials. - ✔✔Hazardous Material Warning Labels What are the 9 U.S. DOT Harzard Classes? - ✔✔Class 1 - Explosives Class 2 - Gases Class 3- Flammable Liquid Class 4 - Flammable Solid, Spontanelously Combustible, and Dangerous when wet Class 5 - Oxidizer and Organic Peroxide Class 6 - Poison (Toxic), Poison Inhalation Hazard, Infectious Substance Class 7 - Radioactive Class 8 - Corrosive Class 9 - Miscellaneous Hazardous Material is a 10.8 by 10.8 inch, diamond shaped marking identifies the contest of a vehicle or container used for transporting hazardous materials. Under the strict definition of , it must be displayed point on end and all four sides of the contain the same . - ✔✔Placard A potential hazardous materials release displays obvious , such as a fire or an explosion. - ✔✔External Warning Signs Containers can suffer stress from? - ✔✔Thermal exposure (i.e., fire) Mechanical stress (e.g., a forklift punctures a drum) Chemical stress (e.g., a container is weakened by a corrosive material) Leaks (or intentional release) Employers are required to provide an for every hazardous substance used in the workplace. An must identify the name, harzard class, components, and properties of the substance, in addition to instruction on how to respond to a spill. - ✔✔Material Safety Data Sheet (MSDS) is considered the last line of defense when trying to recognize a harzardous materials release because it is the most dangerous. - ✔✔A person five senses is a mnemonic for hazardous materials recognition. It stands for container, Occupancy / Location, Markings / Colors, Placards / Labels, Appearance, Shipping Papers / MSDS, and Senses. - ✔✔COMPASS The external warning signs of a possible hazardous materials realease that can be identified when examining containers - ✔✔Thermal exposure Mechanical Stress Leaks As a member of the Coast Guard, you will most likely encounter hazardous materials in the following locations? - ✔✔Fishing Vessels Fish Processing Vessels Freight / Container Vessels are typically used to transport corrosive materials in bulk - ✔✔Ribbed tank cars Considering the various gases that may be present during a tank vessel casualty, what may present the greatest hazard to responders due to its tendency to congregrate in low lying areas? - ✔✔Benzene 2.7 Always use the information provided on , and to identify hazardous materials. - ✔✔markings, placards, and labels is a seven - step job aid that systematically evalutes hazards identified with a specific task or operation. - ✔✔Operational Risk Management (ORM) The first steps in the Operational Risk Management (ORM), a Coast Guard Policy are directly related to the process. - ✔✔Anticipation, Recognition, Evaluation, and Control (AREC) process. What are the 7 steps of Operational Risk Management (ORM) - ✔✔Identify Mission Tasks Identify Hazards Assess Risks Identify Options Evaluate Risk vs. Gain Execute Decisions Monitor Situation Identifying mission tasks in Operational Risk Management (ORM) correlations with the phase in the Anticipation, Recognition, Evaluation, and Control (AREC) processes. - ✔✔Anticipation phase Test questions - ✔✔25 Which of the follwing PPE is typically used by Awarness level First Responders who are working at the site of an oil spill? - ✔✔Hard hats Respirators Steel-toed boots Radiation detectors Which preparation and mission planning element is considered when anticipating hazards? - ✔✔... What process is used to assess the level of operational risk? - ✔✔GAR Which of the following environmental factors could increase the probability of personal injury during the evolution? - ✔✔Type of chemicals on site Cause of the incident Extent of chemical release and transport Hazardous Materials Specialists typically come from which of the following entities? - ✔✔Contracting Firms Coast Guard Police Departments Fire Deparments Hazmat Teams Hazardous Materials Technicians typically perform offensive actions during a hazardous materials release by attempting to stop the release. - ✔✔True What are the colors in the National Fire Protection Association (NFPA) 704 system (diamond shaped hazard sign) indicate? - ✔✔yellow (synonymous with materials) red (synonymous with fire) blue (synonymous with health) white (synonymous iwth special info about hazards) Sensitizers cause a substantial proportion of exposed people or animals to develop an allergic reaction in normal tissue after repeated exposure. - ✔✔True As a member of the Coast Guard, you will most likely encounter hazardous materials in which of the following locations? - ✔✔Fishing vessels Bulk Cargo Vessels Freight/Container Vessels If you discover a hazardous materials release, you should immediately notify the Sector Command Center and/or the National Response Center (NRC). - ✔✔True The National Response Center (NRC) is the primary federal point of contact for reporting oil and chemical spills. - ✔✔True The National Response Center (NRC) is the primary federal point of contact for reporting oil and chemical spills. - ✔✔True The General Assessment of Risk (GAR) model evaluates risk by assigning ratings to which of the following factors? - ✔✔Planning Which of the following is the most common standard-issue piece of equipment that must be carried on all boardings and inspections? - ✔✔-Radiation detectors - PM3702 (carried on all boardings) -Multi-gas detectors - GAMIC4 (carried on all boardings) -Emergency Escape Breathing Device (EEBD) (used to a contamined space quickly) Coast Guard members are authorized to work in environments considered Immediately Dangerous to Life and Health (IDLH) if they are wearing the appropriate Personal Protective Equipment (PPE). - ✔✔False he Severity, Probability, Exposure (SPE) model is used to assess risks before response efforts begin and when new or more specific information about the hazardous materials release and/or the site of the release arises. - ✔✔True Which of the following chemical properties refers to the lowest temperature at which a liquid gives off enough vapor near its surface to form an ignitable mixture with air? - ✔✔Flash point The information you provide when reporting a hazardous materials release should include the location of the incident, the size of the release, and the type of hazardous material at the site. - ✔✔True Engineering controls, administrative controls, and protective equipment controls are associated with which step of the Coast Guard's Operational Risk Management (ORM) process? - ✔✔Identify Options If risk assessment determines that current plans are not sufficient to address the hazards on site, the next level in the chain of command should be notified to take the appropriate actions. - ✔✔True An environment that has a concentration of a hazardous material far above the upper explosive limit will ignite when a flame is introduced. - ✔✔False PEACE is a pneumonic associated with which step in the Coast Guard's Operational Risk Management (ORM) process? - ✔✔Identify hazards A mystery liquid has vapors that tend to rise into the air. Which of the following listed below (along with its vapor density) might it be? - ✔✔Diethanolamine - 1.10 Nickel Carbonyl - 1.32 Hexachlorocyclopentaidiene - 1.71 Acetone - 0.79 (Answer) Which of the following is NOT a basic safety control measure? - ✔✔Personal Protectvie Equipment (PPE) controls Administrative controls Engineering controls Flammable liquid - ✔✔A liquid that has a flash point of 60.5oC (141oF) or lower. Flash point - ✔✔Lowest temperature at which a liquid or solid gives off vapor in such a concentration that, when the vapor combines with air near the surface of the liquid or solid, a flammable mixture is formed. Hence, the lower the flash point, the more flammable the material. FRA - ✔✔First Responder Awareness FRO - ✔✔First Responder Operations Hot zone - ✔✔Area immediately surrounding a hazardous materials incident which extends far enough to prevent adverse effects from released hazardous materials to personnel outside the zone. This zone is also referred to as exclusion zone, red zone or restricted zone IDLH - ✔✔Immediately Dangerous to Life or Health LEL - ✔✔Lower Explosive Limit MSDS - ✔✔Material Safety Data Sheet NCP - ✔✔National Contingency Plan Nerve agents - ✔✔Substances that interfere with the central nervous system. Exposure is primarily through contact with the liquid (via skin and eyes) and secondarily through inhalation of the vapor. Tabun (GA), Sarin (GB), Soman (GD) and VX are nerve agents. NFPA - ✔✔National Fire Protection Association NIOSH - ✔✔National Institute for Occupational Safety and Health NOS - ✔✔Not Otherwise Specified NRC - ✔✔National Response Center NSF - ✔✔National Strike Force OPA 90 - ✔✔Oil Pollution Act of 1990 OSHA - ✔✔Occupational Safety and Health Administration Oxidizer - ✔✔A chemical which supplies its own oxygen and which helps other combustible material burn more readily. PEL - ✔✔Permissible Exposure Limit PPE - ✔✔Personal Protective Equipment Pyrophoric - ✔✔A material which ignites spontaneously upon exposure to air (or oxygen). Radioactivity - ✔✔The property of some substances to emit invisible and potentially harmful radiation. RCRA - ✔✔Resource Conservation and Recovery Act (1976) SARA - ✔✔Superfund Amendments and Reauthorization Act SCBA - ✔✔Self-Contained Breathing Apparatus Short Term Exposure Limit - ✔✔Short Term Exposure Limit TLV - ✔✔Threshold Limit Value USCG - ✔✔U. S. Coast Guard USDOT - ✔✔U. S. Department of Transportation USEPA - ✔✔U. S. Environmental Protection Agency (EPA) Vapor density - ✔✔Weight of a volume of pure vapor or gas (with no air present) compared to the weight of an equal volume of dry air at the same temperature and pressure. A vapor density less than 1 (one) indicates that the vapor is lighter than air and will tend to rise. A vapor density greater than 1 (one) indicates that the vapor is heavier than air and may travel along the ground. Vapor pressure - ✔✔Pressure at which a liquid and its vapor are in equilibrium at a given temperature. Liquids with high vapor pressures evaporate rapidly. VOC - ✔✔Volatile Organic Compound Water-sensitive - ✔✔Substances which may produce flammable and/or toxic decomposition products upon contact with water. WMD - ✔✔Weapons of Mass Destruction Which of the following environmental hazards would you expect to be related to a chemical fire in an industrial area? Select all that apply. - ✔✔... Human intervention can result in which of the following types of hazards? - ✔✔None of the above