دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (RSPA) a DOT agency that oversees the Office of Pipeline Safety, intermodal containers, highway portable tanks, railroad cars, and anything used in interstate or international commerce not regulated by the coast guard. Under OPA, RSPA has authority over onshore oil and hazardous materials pipelines that are used in interstate commerce. Address: 400 7th Street SW;Washington, DC 20590;(202) 366-4433.

n: an inventory required by HAZCOM. Under HAZCOM, all employers must keep a complete list, or inventory, of all hazardous materials on site.

n pi: the limits (based on time of exposure, concentration of material, means of contact, and material toxicity) of worker exposure to hazardous materials without ill effect. Exceeding exposure limits set for various materials can result in temporary health problems, chronic illness, acute illness, or death.

n: state or local office that is concerned with areas that are subject to flooding. This office can help deter- mine if a site is in the floodplain and what locations may be involved in flooding. In the event of a hazardous materials incident, these offices can help determine the route of runoff from the incident.

n: (HAZCOM, CS, or the "Employee Right to Know") an OSHA standard that guarantees employees the right to know about chemical hazards on the job and how to protect themselves from those hazards. Under HAZCOM, all manufacturers and employers must prepare a written hazard communication program;prepare a list of all hazardous materials in the workplace;label all containers of hazardous materials in the workplace;collect and maintain a material safety data sheet (MSDS) for each hazardous material present in the workplace;and provide employee training on specific topics related to hazardous substances.

adj: involving or exposing one to risk. The lists of material or waste that are considered hazardous vary from agency to agency and from regulation to regulation: hazardous materials in transport are regulated by DOT;hazardous substances in the workplace are regulated by OSHA;hazardous waste is regulated under EPAs RCRA;toxic substances are regulated under EPAs TSCA;hazardous air pollutants are regulated under EPAs CAA;and so on. The hazardous list for that regulation is tailored to that purpose.

n (HAZMAT) pi: (DOT) substances or materials in quantities or forms that may pose an unreasonable risk to health, safety, or property when stored, transported, or used in commerce.

n: a training level achieved by any employee who has been HAZWOPER trained to assist and support a hazardous materials technician in making certain emergency action decisions. The duties of hazardous materials specialists parallel those of the technician, but require a more directed or specific knowledge of the various substances they may be called on to contain. The hazardous materials specialist also acts as the site liaison with federal, state, local, and other government authorities in regard to site activities.

n: a training level achieved by any employee who has been HAZWOPER trained to take an offensive role in emergency response. Technicians are trained to take certain actions that deal directly with stopping a release, such as approaching the point of release to plug, patch, or otherwise stop the release.

n: the process of obtaining baseline physicals for employees involved in emergency response or hazardous waste cleanup and monitoring their health at specified intervals. Under HAZWOPER, medical surveillance is applied to members of organised HAZMAT teams and hazardous materials specialists and any emergency response employee who exhibits signs or symptoms of exposure, or wears a respirator for thirty days or more a year, or is exposed to hazardous substances at or above the permissible exposure limits. A 200-mesh screen with a wire diameter of 0.0021 inch (0.0533 millimetre) has an opening of 0.074 millimetre, or will pass a particle of 74 microns. See micron.