Hazmat Awareness and Operations Exam Review Questions and answers, VERIFIED

Hazmat Awareness and Operations Exam Review Questions and answers, VERIFIED. Law - -Acts of congress Regulation - -"Rules" created by Federal or state agencies Standards - -Voluntary consensus standards Law first regulated how emergency responders respond to hazardous materials emergencies - -SARA Key information contained in a Tier 2 form - --Location of chemical at the facility -24hr contact number OSHA regulation governs hazardous materials response - -29 CFR 1910.120 2 NFPA standards for hazardous materials - -NFPA 472 and 473 Vapor pressure - -Pressure exerted on the inside of a closed container by the vapor inside Vapor density - -Density of a particular gas or vapor relative to that of hydrogen at the same pressure and temperature Specific gravity - -Compares the weight of a substance or material with an equal volume of water Scale used for corrosives - -pH 0-14 Flash point - -Minimum temperature at which a liquid fuel gives off sufficient vapors to form an ignitable mixture with air Auto ignition temperature - -Minimum temperature required to cause self sustained combustion in absence of any source of ignition Flammable range - -Upper flammable and lower flammable limit Exposure vs contamination - -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 - -Thermal Radiological Asphyxiation Chemical Etiological Mechanical Carcinogen - -Cancer causing, known and suspected Primary routes of exposure - -Inhalation Ingestion Penetration Absorption Exposure limit enforceable by OSHA - -PEL Lethal dose vs Lethal concentration - -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 - -Self contain breathing apparatus SAR - -Supplied Air Respirator, unlimited supply of air but limited to 300ft APR - -Air-Purifying Respirators, light weight, doesn't supply breathing air Levels of protection - -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 - -Passes through the fabric/ no visible evidence