HAZWOPER Final Exam with 100% Correct Answers 2023, Exams of Advanced Education

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HAZWOPER FINAL EXAM WITH 100%

CORRECT ANSWERS 2023

OSHA's Hazard Communication Standard applies to all hazardous waste operations. True or False - Correct Answer-False Which of the following is not an employee right under OSHA? - Correct Answer-To shut down a work site you believe is unsafe. What is the Part in the following OSHA regulatory citation?29 CFR 1910.120 - Correct Answer- Which federal law contains most of the regulatory requirements for the management of hazardous waste? - Correct Answer-RCRA To provide a worker protection from exposure to hazards, the recommended first choice is to utilize - Correct Answer-Engineering Controls Which governmental body has the primary responsibility for safety at a hazardous waste site? - Correct Answer-OSHA For initial site entry into a hazardous waste site, how many members should the entry team consist of? - Correct Answer-At least 4 Perimeter reconnaissance requires that those performing this task be suited up in the highest level of protection. True or False - Correct Answer-False What is the recommended minimum level of protection for the entry team performing an initial site survey where the site hazards are unknown? - Correct Answer-Level B Emergency personnel should be on standby only after the initial entry team encounters problems on the site. True or False - Correct Answer-False Identify three different resources you might utilize to identify site hazards prior to site entry by personnel. - Correct Answer-Interviews, Record research, Perimeter reconnaissance ACGIH defines Short-Term Exposure Limit (STEL) as a 15-minute TWA exposure that should not be exceeded at any time during the workday without the proper protective measures. A waste-site worker uses the STEL to protect himself/herself by - Correct Answer-Realizing low STEL values represent more toxic chemicals Legally enforceable exposure levels are established by____. - Correct Answer-OSHA

TLV is an acronym for - Correct Answer-Threshold limit value A chemical that deprives the victim's body tissues of oxygen is a/an - Correct Answer- asphyxiant What type of airborne hazard probably results from grinding clean, dry metal parts? - Correct Answer-Dust (particulates) Damages genes in sperm and egg cells - Correct Answer-Mutagen Being struck by an object or moving machine part would be considered a - Correct Answer-physical hazard Risk can be defined as - Correct Answer-a measure of the probability and severity of a hazard Chemicals that support combustion in organic materials through the release of oxygen or other gases - Correct Answer-Oxidizer A chemical that will ignite spontaneously in air - Correct Answer-Pyrophoric The acronym HASP refers to - Correct Answer-health and safety program Below which level in air does OSHA define an area to be oxygen deficient? - Correct Answer-19.5% Human blood spilled on a work site is considered a _______ hazard. - Correct Answer- biologic What is the definition of a corrosive class chemical? - Correct Answer-A chemical that causes visible destruction of or irreversible alterations in living tissue at the site of contact. If an MSDS shows a material has a pH of 12.5 this material would be considered - Correct Answer-Basic What are the three elements of the fire triangle? - Correct Answer-Ignition source, fuel, oxygen Flash point is expressed as the lowest concentration in air that will burn. True or False - Correct Answer-False What is the definition of specific gravity? - Correct Answer-A measure that indicates whether a substance will sink or float in water.

Gases and vapors that are heavier than air pose a threat because? - Correct Answer- they can displace air especially in low lying areas Hydrogen gas burns between (approximately) 4% and 75% concentration in air. This represents the: - Correct Answer-flammable range An MSDS tells us that a material has a specific gravity of 3.0. This measure tells us the substance will - Correct Answer-sink in water Which of the following forms of radiation will generally not penetrate intact skin but can be a serious hazard if ingested or inhaled? - Correct Answer-Alpha Chronic effects of radiation exposure include - Correct Answer-Cancer and cataracts The acronym ALARA stands for - Correct Answer-As Low As Reasonably Achievable Three basic radiation principles used to reduce exposure to ionizing radiation are - Correct Answer-Time, distance, shielding Staying up wind from a source of radiation will always protect you. True or False - Correct Answer-False When measuring radiation exposure, the unit of "rad" refers to: - Correct Answer- radiation absorbed dose The inverse square law states - Correct Answer-the radiation dose rate changes inversely by the square of the change in the distance from the source Positive-pressure atmosphere-supplying respirators are designed to maintain a positive pressure in the facepiece during both inhalation and exhalation. True or False - Correct Answer-True Which type of respirator has the highest protection factor? - Correct Answer-SCBA MUL stands for - Correct Answer-Maximum use limit Respirator fit-testing must be performed each time a respirator is donned. True or False

• Correct Answer-False Respirators used daily must be inspected ____. - Correct Answer-Before and after each use The two types of respirator fit testing are ____. - Correct Answer-qualitative and quantitative

The primary purpose of fit testing is to identify the specific model, make, and size respirator best suited for each person. True or False - Correct Answer-True Chemical entry into a garment through pinholes is an example of: - Correct Answer- penetration The process by which a chemical dissolves or moves through a protective clothing material on a molecular level without destruction is defined as _____. - Correct Answer- permeation The primary difference between Level A and Level B PPE is the degree of _____. - Correct Answer-splash and vapor protection Which term refers to the removal of PPE? - Correct Answer-doffing Chemical protective clothing inspection is not necessary for brand-new PPE. True or False - Correct Answer-False Wearing Chemical Protective Clothing (CPC), such as chemical gloves, prevents what route of exposure to hazardous materials? - Correct Answer-skin absorption Most of OSHA's General Industry PPE standards are found: - Correct Answer-between the sections of 29 CFR 1910.132 through 29 CFR 1910. What three different types of hand hazards can be avoided by wearing hand protection?

• Correct Answer-Chemical hazards, cut hazards, thermal hazards Safety shoes and boots worn when working in areas where there is a danger of foot injuries must comply with which of the following organization's specifications? - Correct Answer-ASTM Which of the following class of hard hat provides impact and penetration resistance as well as electrical protection from low-voltage conductors? - Correct Answer-Class G The most important reason to set up "zones" at a waste site is ____. - Correct Answer- To isolate the scene and lessen risk to the public and waste site workers At a minimum, how many workers will initially enter the exclusion zone? - Correct Answer-At least 2 Which of the following zones is considered to be most contaminated? - Correct Answer- Exclusion zone When should a site map be developed? - Correct Answer-Prior to initial site entry

What is the minimum level of protection that decontamination personnel should wear? - Correct Answer-One level lower protection as workers in the Exclusion Zone Decontamination takes place in ____. - Correct Answer-The Contamination Reduction Zone Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who has life-threatening injuries? - Correct Answer- Immediate emergency treatment of the victim Decontamination procedures must be developed and implemented _____. - Correct Answer-Before anyone enters a site The physician that performs the medical examinations must be experienced or board certified in occupational health. True or False - Correct Answer-True Under the record keeping requirements of the OSHA Hazardous Waste Standard, the employer must maintain and preserve medical records of a worker's exposure to hazardous materials for what period of time? - Correct Answer-For the term of employment, plus 30 years According to the OSHA requirements, how often should a waste site worker be examined by a physician. - Correct Answer-Upon starting a job, on a periodic basis; following appearance of symptoms that indicate exposure; and upon termination from that particular job. The employer can require that workers take a pre-placement medical examination as a condition of employment. True or False - Correct Answer-True What is the primary purpose of a medical surveillance program? - Correct Answer- Assess and monitor a worker's health before employment as well as during the course of employment. A direct reading instrument typically gives a reading based on a(n) _____. - Correct Answer-instantaneous reading You enter a storage room. Your "O2 meter" indicates 25% oxygen. Is this a problem? - Correct Answer-Yes, the flammable levels could be different. A photoionization detector uses what to ionize compounds so they can be detected? - Correct Answer-UV light ______________ is the ability of an instrument to detect and measure a specific chemical or group of chemicals. - Correct Answer-Selectivity

Personal dosimeters must always be direct reading. True or False - Correct Answer- False The meter of a combustible gas indicator(CGI) reads in________. - Correct Answer-% of the LEL Active sampling systems usually require that a sample is analyzed in a laboratory. True or False - Correct Answer-True What Subpart under OSHA standards contains the 28 substances that require a personal sampling plan to be initiated for waste site workers? - Correct Answer-Subpart Z Which of the following types of radiation dosimeters are commonly used to maintain a permanent record of an individual's dose of radiation? - Correct Answer-TLD Over pumping a well can alter ground water flow or affect the movement of contaminants. True or False - Correct Answer-True Samples should be kept at _____ until they are sent to a lab. - Correct Answer- degrees C Decontamination of equipment that will be used for sampling purposes follows the same decontamination procedures of equipment and PPE. True or False - Correct Answer- False If a drum exhibits radiation levels above background, then you should _____. - Correct Answer-Immediately contact a health physicist Standing orders at a hazardous waste site _____. - Correct Answer-Should be reviewed with the field crew at the beginning of each workday Most of OSHA's regulations dealing with walking & working surfaces are found in: - Correct Answer-Subpart D in 29 CFR 1910 "Overpacking" is a term used to describe the act of ____. - Correct Answer-Placing one drum inside another The large diamond-shaped DOT signs found on the outside of a highway transport truck are called ____. - Correct Answer-Placards The OSHA definition for a confined space includes: - Correct Answer-limited means of entry and exit. Rescue workers must have a permit to enter a confined space. True or False - Correct Answer-False

Whose job responsibility is it to summon emergency medical assistance in the event of a medical problem in a confined space? - Correct Answer-Attendant The types of atmospheric testing will be the same for every confined space. True or False - Correct Answer-False When employees are required to work in a trench excavation 4 feet deep or more, OSHA regulations require ladders, steps, or other safe means of egress to be provided ____. - Correct Answer-Every 25 feet of lateral travel OSHA's standards for trenching and excavation can be found in ____. - Correct Answer-29 CFR 1926. According to OSHA construction standards, a trench is a narrow excavation made below the surface of the ground in which the depth is greater that the width, the width not exceeding 15 feet. True or False - Correct Answer-True An employer is required to provide a means of entering and exiting an excavation four feet deep or deeper such as ladders, steps, ramps, etc. This means of entering and exiting is referred to as _____. - Correct Answer-access and egress The only structural systems that are allowed to be used in excavations are pre- constructed units, such as trench boxes. True or False - Correct Answer-False During an on-site emergency a safe evacuation distance is ____. - Correct Answer- Dependant upon the type and amount of chemical released In addition to planning escape routes, you should also identify reassemble points for personnel accountability purposes True or False - Correct Answer-True The site log showing who has entered/exited the hazardous waste site is a key document because _____. - Correct Answer-It lets the project team leader know who is still "on site" in an emergency