Title: Unit 1 Glossary
Course: BLD 167 Hazardous Waste Operations and Emergency Response > Section: BLD 167 Hazardous Waste Operations and Emergency Response

Unit 1 Glossary

Terms

Term | Definitions
Access Control Points | Points that are established to control entry to and exit from established Work zones work zones at hazardous waste sites. Access control points should be established between the Exclusion Zone (Ex ...
Acclimatization | The adapting of an employee to new temperature, altitude, climate, environment, or situation.
Attendant | The individual stationed outside one or more Permit-required Confined Spaces permit-required confined spaces who monitors the authorized entrants and who performs all attendant's duties assigned i ...
Authorized Entrant | An employee who is authorized by the employer to enter a permit-required confined space.
Biological Hazards | Infectious agents presenting an actual or potential hazard to the well-being of employees, either directly through infection or indirectly through disruption of the environment. Such hazards also ...
Blanking/Blinding | Inserting a solid barrier across the open end of a pipe leading into or out of a confined space and securing the barrier in such a way as to prevent leakage of material into the confined space.
Buddy System | A system for organizing employees into work groups in such a manner that each employee in the group is observed by a least one other employee in the group at all times. The purpose of the buddy sy ...
Bulk Container | A cargo container used for transporting large quantities of substances.
Bung | A screw or cap used to cover the small opening of a metal drums drum or barrel.
Chemical Hazard | Any regulated or non-regulated hazardous material (solids, liquids, and gases; natural or man-made; including petroleum products) with the potential for causing harm to people, the environment, or ...
Clean-up Operation | An operation where hazardous substances are removed, contained, incinerated, neutralized, stabilized, cleaned up, or in any other manner processed or handled with the ultimate goal of making the s ...
Confined Space | A space that has all of the following characteristics: Is large enough and so configured that an employee can bodily enter and perform work, Is not intended for continuous occupancy and has limite ...
Contamination Control Line | The boundaries boundary between the Support Zone and the Contamination Reduction Zone. The contamination control line separates the low-contamination area from the clean support zone.
Contamination Reduction Zone (CRZ) | The transition area between the Exclusion Zone (ExZ) or (Hot Zone) and the Support Zone (SZ) used to reduce and limit the amount of contamination on people and equipment, and in the air, water and ...
CSHO | OSHA Compliance Safety and Health Officer.
Decant | The separation of liquid from solid by physical means such as draining or pouring off the liquid. Usually of a sludge, two-phase material, or other liquid, semi-liquid, or solid material are decan ...
Decontamination | The effective removal of hazardous substances from personnel, materials, and equipment to the extent necessary to preclude the occurrence of adverse health effects resulting from exposure.
Decontamination Line | A sequence of stations located in the contamination reduction zone (CRZ) used in the decontamination of personnel or equipment.
Double Block and Bleed | A method used to isolate a confined space from a line, duct, or pipe by physically closing two in-line valves on a piping system and opening a vented-to-atmosphere valve between them.
Emergency (Site) | A sudden and unexpected event, taking place on the site, and requiring urgent action for control or remediation in order to minimize the danger to people, the environment, or property.
Emergency Release | A release of hazardous substance(s) that presents a potential safety or health hazard.
Emergency Response | A response effort from employees outside of the immediate release area to an occurrence that results, or is likely to result, in an uncontrolled release of hazardous substance.
Engulfment | The surrounding and effective capture of a person by a liquid or finely divided (flowable) solid substance that can be aspirated to cause death by filling or plugging the respiratory system, or th ...
EPA Levels of Protection | The personal protective equipment ensembles identified as Level A, B, C, or D, and listed in Appendix B of 29 CFR 1910.120 and in the four-agency manual entitled Occupational Safety and Health Gui ...
Exclusion Zone (ExZ) | The area, located on the site, where contamination is either known or expected to occur and where the greatest potential for exposure exists. Also known as the Hot Zone.
Facility | (a) Any building, structure, installation, equipment, pipe or pipeline (including any pipe into a sewer or publicly owned treatment works), well, pit, pond, lagoon, impoundment, ditch, storage con ...
Grappler | A device used for handling or moving materials from a safe distance.
Hazard Analysis | The process to define and evaluate the activity being performed to identify the sequence of work and the specific hazards anticipated, and to develop control measures to be implemented to eliminat ...
Hazardous Area | A place on a hazardous waste site or corrective action site where access is restricted to personnel who have specialized training and who are using personal protective equipment as necessary becau ...
Hazardous Chemical | Any chemical that presents a physical hazard or a health hazard upon exposure.
Hazardous Material | See hazardous substance.
Hazardous Substance | Any substance listed below, exposure to which results or may result in adverse effects on the health or safety of employees: Any substance defined under section 101(14) of Comprehensive Environ. R ...
Hazardous Waste | A waste or combination of wastes as defined in 40 CFR 261.3 or those substances defined as hazardous wastes in 49 CFR 171.8.
HAZMAT Team | A hazardous materials response team organized and designated by the employer, that is expected to perform work to handle and control actual or potential leaks or spills of hazardous substances req ...
HAZWOPER | Acronym for the Hazardous Waste Operations and Emergency Response standard.
Hot Work | Work that produces arcs, sparks, flames, heat, or other sources of ignition.
Hot Work Permit | The employer's written authorization to perform operations (e.g., riveting, welding, cutting, burning, and heating) capable of providing a source of ignition.
Hotline | The outer boundary of the Exclusion Zone. The Hotline separates the areas of contamination from the rest of the site.
Immediately Dangerous to Life or Health (IDLH) | Any atmospheric condition that poses an immediate or delayed threat to life or that would cause irreversible adverse health effects or that would impair the ability of a person to escape an area. ...
Inerting | The displacement of the atmosphere in a container, vessel, or permit-required 1910.146, Permit-required Confined Spaces confined space by a non-combustible gas (such as nitrogen) to such an extent ...
Key Personnel | Those personnel/organizations considered to be essential to ensure the safe operation of the facility, site, project, or task.
Lab Pack | A package of hazardous waste containing several smaller packages of compatible chemical waste. Usually chemical waste from laboratories which do not generate large quantities of any one chemical w ...
LEL/LFL and UEL/UFL | Acronyms for lower explosive limit/lower flammable limit and upper explosive limit/upper flammable limit. The range of concentrations of a flammable gas or vapor in air in which combustion or expl ...
Line Breaking | The intentional opening of a pipe, line, or duct that is or has been carrying flammable, corrosive, or toxic material, an inert gas, or any fluid at a volume, pressure, or temperature capable of c ...
Lockout/Tagout | The placement of a lock/tag on the energy-isolating device in accordance with an established procedure, indicating that the energy-isolating device shall not be operated until removal of the lock/ ...
Mixed Waste | Waste materials that present both chemical and radiological hazards.
NATO Phonetic Alphabet | International: Alfa Bravo Charlie Delta Echo Foxtrot Golf Hotel India Juliett Kilo Lima Mike November Oscar Papa Quebec Romeo Sierra Tango Uniform Victor Whiskey X-Ray Yankee Zulu.  American: Alp ...
Off-site Personnel | Those personnel assigned to locations off the site with specific responsibilities for emergency response, safety and health, or other support at the site. Examples include multi-disciplinary advis ...
On-site Essential Personnel | Those required personnel, available on the site, who by virtue of their position, responsibilities, and/or expertise, are considered essential to the overall safe operation of the site.
On-site Optional Personnel | Those personnel, who at the discretion of site management, may be included as part of the site safety and health and Emergency response key personnel. Examples include scientific advisors, logisti ...
Overpack | An oversized container into which a leaking drums drum can be placed for transport.
Oxygen-deficient Atmosphere | An atmosphere containing less than 19.5% oxygen by volume.
Oxygen-enriched Atmosphere | An atmosphere containing more than 23.5% oxygen by volume.
Permissible Exposure Limit (PEL) | The employee's permitted exposure to any material or physical agent listed in Table Z-1, Z-2, or Z-3 of 29 CFR 1910.1000, Air Contaminants.
Permit System | The employer's written procedure for preparing and issuing permits for entry and for returning the permit-required confined space to service following termination of entry.
Permit-Required Confined Space (PRCS) | A confined space that has one or more of the following characteristics: Contains or has potential to contain a hazardous atmosphere; Contains a material that has the potential to engulf an entrant ...
Personal Protective Equipment (PPE) | Clothing and equipment used to shield or isolate individuals from the chemical, physical, and biological hazards that may be encountered at a hazardous waste site. PPE should protect the respirato ...
Physical controls | Physical barriers put into place that limit personnel exposure to hazards.
Physical Hazards | Those work-related sources of actual or potential danger (e.g., machinery, trip and fall, hoisting and rigging, shoring and trenching) to which employees may be exposed.
Project Manager | The person appointed by the employer to have control over the project site where occupational activities are being performed.
Qualified Person | A person who, by reason of training, education, and experience, is knowledgeable in the operation to be performed and is competent to judge the hazards involved.
Radiological Hazard | Internal or external body exposure or potential exposure to the effect of ionizing radiation through inhalation, ingestion, or skin contact with radioactive isotopes or materials or objects contam ...
Remediation | Reduction or removal of unacceptable levels of hazardous materials from environmental media such as water or soil to reduce the health hazards to the public from the hazardous materials.
Rescue Service | The personnel designated to rescue employees from hazardous areas.
Risk | The quantitative or qualitative expression of possible loss that considers both the probability that a hazard will cause harm and the consequences of that event. Risk = (Probability) x (Severity).
Site Safety and Health Supervisor | The individual located at a hazardous waste site who is responsible to the employer and has the knowledge and authority to implement the site safety and health plan and to verify compliance with a ...
Site-Specific Training | Training designed to instruct employees in the unique features of a hazardous waste site.
Support Zone (SZ) | The uncontaminated area where workers are unlikely to be exposed to hazardous substances or dangerous conditions. Also called the Clean Zone.
Task | A well-defined unit of work having an identifiable beginning and end with two or more elements. A task is a series of jobs performed in support of a particular project.
Thermal Destruction Facility (TDF) | An incinerator located at a hazardous waste site. The incinerator may be permanently located, such as at a Resource Conservation and Recovery Act (RCRA) RCRA-permitted facility, or temporarily loc ...
Treatment, Storage, and Disposal Facility (TSDF) | A permitted or interim-status facility, as regulated under 40 CFR Parts 264 and 265 Resource Conservation and Recovery Act (RCRA) ( RCRA regulations), where hazardous waste is disposed of, stored, ...
Work Plan | That part of a safety and health program that addresses the tasks and objectives of site operations and the logistics and resources required to reach those tasks and objectives.