دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (HAZWOPER) an operation during which hazardous substances are removed, contained, incinerated, neutralised, stabilised. cleaned up, or in any other manner processed or handled. with the ultimate goal of making the site safer for people or the environment.

n: (CERCLA) a congressional act that gives the government the authority to clean up any site where there is an unremedied release of a hazardous substance. Frequent]y, these sites, which are referred to as Superfund" sites, are areas where hazardous waste has been disposed of improperly.

n: (under HAZWOPER) the removal of hazardous substances from employees and their equipment to the extent necessary to preclude the occurrence of foreseeable adverse health effects.

n pi: formation gases that are produced during a drill stem test, which is the conventional method of testing formations. Although these gases typically are produced only in very small quantities and consist mainly of natural gas, they become an environmental concern when the gases fall into the extremely hazardous substance category under SARA and are produced in sufficient quantities so that they exceed the TPQ limit set for that substance. Typically, wells are not set up for production operations when the drill stem test is run;consequently, gas-containment equipment is not installed or operational during the running of the test and such gases must be released or flared.

abbr: extremely hazardous substance.

n: (under HAZWOPER) a response to an uncontrolled release of a hazardous substance that requires action by employees or other responders from outside the immediate release area. In other words, it is an emergency response if the release poses a potential safety or health hazard, and the release cannot be controlled by employees in the immediate area or by maintenance personnel.

n: (EHS) 1. chemical determined by the EPA to be extremely hazardous to a community during an emergency spill or release as a result of its toxicity and physical or chemical properties. 2. (under SARA) a substance listed in appendixes A and B of 40 CPR 355.

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: 1. any substance designated under CWA or CERCLA as posing a threat to waterways and the environment when released.2. (CERCLA) any substance designated in 40 CFR 302.