Hazmat Awareness and Operations Exam 2023 Questions with correct Answers

Law - ANSWER-Acts of congress Regulation - ANSWER-"Rules" created by Federal or state agencies Standards - ANSWER-Voluntary consensus standards Law first regulated how emergency responders respond to hazardous materials emergencies - ANSWER-SARA Key information contained in a Tier 2 form - ANSWER--Location of chemical at the facility -24hr contact number OSHA regulation governs hazardous materials response - ANSWER-29 CFR 1910.120 2 NFPA standards for hazardous materials - ANSWER-NFPA 472 and 473 Vapor pressure - ANSWER-Pressure exerted on the inside of a closed container by the vapor inside Vapor density - ANSWER-Density of a particular gas or vapor relative to that of hydrogen at the same pressure and temperature Specific gravity - ANSWER-Compares the weight of a substance or material with an equal volume of water Scale used for corrosives - ANSWER-pH 0-14 Flash point - ANSWER-Minimum temperature at which a liquid fuel gives off sufficient vapors to form an ignitable mixture with air Auto ignition temperature - ANSWER-Minimum temperature required to cause self sustained combustion in absence of any source of ignition Flammable range - ANSWER-Upper flammable and lower flammable limit Exposure vs contamination - ANSWER-Exposure: Actual or potential contact a responder may have with a hazardous material Contamination: Process of transferring a hazardous material from its source to people TRACEM - ANSWER-Thermal Radiological Asphyxiation Chemical Etiological Mechanical Carcinogen - ANSWER-Cancer causing, known and suspected Primary routes of exposure - ANSWER-Inhalation Ingestion Penetration Absorption Exposure limit enforceable by OSHA - ANSWER-PEL Lethal dose vs Lethal concentration - ANSWER-Lethal Dose: minimum dose of an ingested, absorbed, or injected substance that will be fatal to the test group Lethal concentration: minimum concentration of an inhaled substance in the gaseous state that will be fatal to the test group SCBA - ANSWER-Self contain breathing apparatus SAR - ANSWER-Supplied Air Respirator, unlimited supply of air but limited to 300ft APR - ANSWER-Air-Purifying Respirators, light weight, doesn't supply breathing air Levels of protection - ANSWER-Level A: Protection is required when the greatest potential for exposure to hazards exists (SCBA), totally encapsulated chemical- and vapor-protective suit; Level B: Protection is required under circumstances requiring the highest level of respiratory protection (SCBA), inner and outer chemical-resistant gloves; face shield; hooded chemical resistant clothing; coveralls; and outer chemical-resistant boots. Level C protection is required when the concentration and type of airborne substances is known and the criteria for using air purifying respirators is met. full-face air purifying respirators; inner and outer chemical-resistant gloves; hard hat; escape mask; and disposable chemical-resistant outer boots. Level D protection is the minimum protection required. gloves; coveralls; safety glasses; face shield; and chemical-resistant, steel-toe boots or shoes Permeation - ANSWER-Passes through the fabric/ no visible evidence Degradation - ANSWER-Material is altered through contact with chemical substances Major sections of ERG - ANSWER--ID # index -Material index -Guides -Initial isolations What should you provided to a 24 hour contact number - ANSWER--Name -Call back number -Product information -Shipping information -Container type -Why is receiving the material Hazards are required to be placarded in any amount - ANSWER--Mass explosion 1.1 -Projectile hazard 1.2 -Fire Hazard 1.3 -Poisonous gas 2.3 -Dangerous when wet 4.3 -Organic peroxides 5.3 -Poisons 6.1 -Radioactive III Nine DOT hazard classes - ANSWER-1 Explosive 2 Gases 3 Flammable liquid 4 Flammable solid 5 Oxidizing substance 6 Toxic substance 7 Radioactive 8 Corrosive 9 Misc NFPA 704 - ANSWER-Blue: Health Red: Flammability Yellow: Instability White: Special Hazard Information on an underground pipeline marker - ANSWER--Product ID -Pipe owner -Emergency contact # Signal words required on pesticide labels by the EPA - ANSWER--Danger/ Poison -Warning -Caution Common materials carried in totes and bulk tanks - ANSWER--Flammable -Combustibles -Toxics -Corrosive Materials can be found in DOT-406/MC-306 - ANSWER-Gasoline and diesel Materials can be found in DOT-407/MC-307 - ANSWER-Flammable liquid, mild corrosive Materials can be found in DOT-412/MC-312 - ANSWER-Liquid acid and base Materials can be found in MC-331 - ANSWER-liquefied compressed gas Materials can be found found in MC-338 - ANSWER-Liquid Nitrogen Three types of intermodal tanks - ANSWER--Non pressure -Pressure -Specialize Cryogenic liquid tanks - ANSWER-Transport low temp liquified gasses Typical multi gas detector monitor - ANSWER--CO -H2S -O2 -LEL Monitor useful in determining the presence of an unidentified or undetermined vapor hazard - ANSWER-PID 5 major functions in the IMS - ANSWER--Command -Finance -Logistics -Operations -Planning Unified command - ANSWER-All organizations who have an emergency response mission at an incident are represented in the command post Activities fit into defensive operations - ANSWER--Containment -Confinement Typically used for vapor suppression - ANSWER-Foam Typically used for vapor dispersion - ANSWER-Intentioned movement of vapors to another area CBRNE - ANSWER--Chemical -Biological -Radiological -Nuclear -Explosive Exposure Time Frames - ANSWER-Short term: minutes to hours Medium Term: days, weeks, or months Long term: Years or generation Acute - ANSWER-Single exposure to "High" concentrations Chronic - ANSWER-Multiple exposures to "low" concentrations Sub acute - ANSWER-Used by the EPA to indicate exposures that fall between acute and chronic Permissible Exposure Limit PEL - ANSWER-maximum exposure level for 8 hours a day, 40 hours a week Asphyxiant - ANSWER--Substance that prevent oxygen from combining with the blood in sufficient quantities or from being used by body tissue -2 types --Simple: displace or dilute oxygen --Chemical: react to keep body from using oxygen Irritants - ANSWER-Cause reversible inflammation and irritation Sensitizer - ANSWER-Will cause individuals with repeated exposures to develop allergic reasctions Radiation - ANSWER-Energy which is emitted, transmitted, or absorbed in wave or energetic particle form Four basic types of ionizing radiation - ANSWER--Alpha -Beta -Gamma -Neutrons Pathway to contaminations - ANSWER--External contamination -Internal Contamination -Environmental contamination Roentgen R - ANSWER-Used to measure exposure, applied only to gamma and x-rays Radiation Absorbed Dose RAD - ANSWER-Used to measure amount of radiation absorbed by a material Roentgen Equivalent in Man REM - ANSWER-Used to measure the absorbed does equivalence as pertaining to a human body Radiation Protection strategies - ANSWER--Time -Distance -Shielding Requirements for respiratory protection use - ANSWER--Initial Training -Annual physical -Annual fit testing Principle responsible party PRP - ANSWER-Party with fiscal responsibility for corrective measures