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HAZWOPER 29 CFR 1910.120 By Lynn Reese and Gina K. Brooks. The Hazardous Waste Operations and Emergency Response standard apply to three groups of workers. The standard is set up in paragraph (a) thru (q). Paragraph (a) Scope, application and definitions
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The Hazardous Waste Operations and Emergency Response standard apply to three groups of workers. The standard is set up in paragraph (a) thru (q)
Activities that are required when responding to incidents can be divided into five broad, interacting elements.
Identification of the substance involved and the characteristics which determine its degree of hazard.
Impact or risk the substance poses to the worker, public health and the environment.
Methods to eliminate or reduce the impact of the incident.
Knowledge gained about the conditions or circumstances particular to an incident. Information is often times called intelligence. In a response you gather intelligence and disseminate it.
Protection of responders from harm.
Toxic materials cause local or systemic detrimental effects in an organism. Exposure to such materials does not always result in death although that is often the most immediate concern. The effects experienced by an organism depends on: (1) the inherent toxicity of the material itself; (2) the magnitude of the exposure (acute or chronic) and ; (3) the route of exposure (ingestion, inhalation, skin absorption).
Combustibility is the ability of a material to act as a fuel. Three components are required for combustion to occur: fuel, oxygen, and heat. At a hazardous material incident, the first two are not easily controlled. Consequently, while working on-site where a fire hazard may be present, the concentration of combustible gases in air must be monitored, and any potential ignition source must be kept out of the area.
Corrosion is a process of material degradation. Upon contact, a corrosive material may destroy body tissues, metals, plastics and other materials.
The pH scale range from 0 to 14 as follows:
<Increasing Acidity Neutral Increasing Basicity>
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Measurements of pH are valuable because they can be quickly done on-site, providing immediate information on the corrosive hazard.
Unlike many hazardous substances that possess certain properties which can alert response personnel to over-exposures (Odor, irritation, or taste), radiation has no such warning properties. Therefore, preventing radiation material from entering the body or protecting against external radiation is the best protection. As with biological and chemical hazards, the use of respiratory and personnel protective equipment, coupled with scrupulous personal hygiene, will afford good protection against radioactive particulates.