Question 1

A-weighted Scale

Accepted Answer

A standard for noise measurement that takes into consideration the human ear's sensitivity to certain frequencies. This is expressed as part of noise specifications and can be denoted by adding the letter 'A' to the spec - e.g., 15dB(A).

Question 2

Abu Dhabi Occupational Safety and Health Center

Accepted Answer

The  competent  authority  for  Occupational  Safety  and  Health  and  the OSHAD-SF in the emirate of Abu Dhabi. It is referred to for short using the acronym OSHAD.

Question 3

Acceptable Air Quality

Accepted Answer

Air in which there are no contaminants at harmful concentrations as determined by cognizant authorities and where the substantial majority (80% or more) of the people exposed do not express dissatisfaction.

Question 4

Action Level

Accepted Answer

Level of exposure to a harmful substance or another hazard (present in a work place or situation) at which an employer must take the required precautions to protect the workers. The action level equals one-half of the permissible exposure limit.

Question 5

Acoustic Signal

Accepted Answer

A sound signal is transmitted without a human or artificial voice (e.g., a fire alarm).

Question 6

Acute Effect

Accepted Answer

An adverse effect on any living organism results in severe symptoms that develop rapidly; symptoms often subside after the exposure stops.

Question 7

Acute Exposure

Accepted Answer

A single exposure to a toxic substance may result in severe biological harm or death. Acute exposures are usually characterized as lasting no longer than a day compared to longer, continuing exposure over a while.

Question 8

Acute Toxicity

Accepted Answer

The ability of a substance to cause severe biological harm or death soon after a single exposure or dose. Also, any poisonous effect resulting from
a single short-term exposure to a toxic substance.

Question 9

Adverse

Accepted Answer

Causing harm. An abnormal, undesirable, or harmful change.

Question 10

Air Cleaner or Arrestor

Accepted Answer

A device to remove contaminants from the air, e.g., filter, cyclone, sock, wet scrubber, electrostatic precipitator (EP). This filter cleans the extracted air. Not all systems need air cleaning.

Question 11

Air Exchange Rate

Accepted Answer

The rate at which inside air is replaced by outside air. The rate may be expressed as the number of changes of mood per unit of time (e.g., Air Changes per Hour - ACH) or the volume of air exchanged per unit of time (e.g., Cubic Feet per Minute (CFM).

Question 12

Air Monitoring (Asbestos)

Accepted Answer

This means monitoring for any fibers of asbestos small enough to be made airborne.

Question 13

Air Monitoring (Occupational)

Accepted Answer

A scientific process to assess whether an area is safe to occupy is utilizing air sampling equipment and laboratory analysis.

Question 14

Air Mover

Accepted Answer

Devices that move air- Fan, Turbo exhauster. The ‘engine’ that powers the extraction system is usually a fan.

Question 15

Air Pollutant

Accepted Answer

Any substance in the air that could harm humans or material in high enough concentration. Pollutants may include almost any natural or artificial composition of matter capable of being airborne. They may be in the form of solid particles, liquid droplets, gases, or in combination thereof.

Question 16

Air Pollution

Accepted Answer

The  presence  of  contaminants  or  pollutant  substances  in  the  air  that interfere with human health or welfare.

Question 17

Air Pollution Control Device

Accepted Answer

Mechanism or equipment that cleans emissions generated by a source (e.g., an incinerator, industrial smokestack, or an automobile exhaust system) by removing pollutants that would otherwise be released into the atmosphere.

Question 18

Air Standards and Guideline Values

Accepted Answer

The level of pollutants prescribed by regulations is not to be exceeded during a given time in a defined area.

Question 19

Airborne Contaminants

Accepted Answer

Air contaminants are particles, gases, or vapors and combinations of these. ‘Particles’ include dust, fumes, mists, and fibers.

Question 20

Airborne Monitoring (Asbestos)

Accepted Answer

This means airborne asbestos fiber sampling to assess the exposure and the effectiveness of control measures. Airborne monitoring includes exposure monitoring, control monitoring, and clearance monitoring. Air contaminants are particles, gases, or vapors and combinations of these. ‘Particles’ have dust, fumes, mists, and fibers.

Question 21

Airborne Particulates

Accepted Answer

Total suspended particulate matter is found in the atmosphere as solid particles or liquid droplets. The chemical composition of particulates varies widely, depending on location and time of year.

Question 22

Al-ADAA

Accepted Answer

OSH Electronic Application maintained by OSHAD for reporting and database management functionalities 
required by OSHAD for monitoring the implementation of OSHAD-SF.

Question 23

ACGIH

Accepted Answer

American Conference of Governmental Industrial Hygienists. The American professional organization 
recommends Occupational Exposure Limits for a wide range of agents. It also provides recommended good 
practices in occupational and environmental hygiene.

Question 24

Anchorage (anchor Points – Working at Height)

Accepted Answer

“Anchorage” means a secure point of attachment for lifelines, lanyards, or deceleration devices. It shall be independent of - in that it shall not be part of, directly connected to, or have any structural integrity with – the means of supporting or suspending the employee or the structure upon which the employee is directly engaged.

Question 25

Asbestos

Accepted Answer

This means the fibrous form of mineral silicates belonging to the serpentine and amphibole groups of rock-forming minerals, including actinolite, amosite (brown asbestos), anthophyllite, chrysotile (white asbestos), crocidolite (blue asbestos), tremolite, or any mixture this containing one this or more of the
mineral silicates belonging to the serpentine and amphibole groups.

Question 26

Asbestos Cement

Accepted Answer

This means products consisting of sand aggregate and cement reinforced with asbestos fibers (e.g., asbestos cement pipes and flat or corrugated cement sheets).

Question 27

Asbestos Contractor

Accepted Answer

This means a licensed (in Abu Dhabi) competent company that performs asbestos removal and disposal work.

Question 28

Asbestos Supervisory Consultant

Accepted Answer

A competent person registered under Qudorat who manages the process of identification, management, and removal of Asbestos Containing Materials.

Question 29

Asbestos Management Plan

Accepted Answer

Plan specific to a building which identifies location, type, condition, maintenance requirements and future action regarding Asbestos Containing Materials

Question 30

Asbestos Survey

Accepted Answer

A survey to identify if Asbestos is present.

Question 31

Asbestos Transporter / Carrier

Accepted Answer

This means a licensed (in Abu Dhabi), competent entity that performs asbestos transportation activities.

Question 32

Asbestos Vacuum Cleaner

Accepted Answer

This means a vacuum cleaner that is fitted with a High-Efficiency Particulate Air (HEPA) Filter. A household vacuum cleaner is not suitable for removing asbestos.

Question 33

Asbestos Waste

Accepted Answer

This means all removed ACM and disposable items used during the asbestos work, such as plastic sheeting used to cover surfaces in the asbestos work area, disposable coveralls, disposable respirators, and rags used for cleaning.

Question 34

Asbestos Work Area

Accepted Answer

This means the immediate area in which work on ACM is taking place. A risk assessment must determine the boundaries of the asbestos work area.

Question 35

As  Low  As  Reasonably Practicable (ALARP)

Accepted Answer

It means to reduce risk to a level that is as low as reasonably practicable and involves balancing reduction in danger against the time, trouble, difficulty, and cost of achieving it. This level represents the point objectively assessed, at which the time, trouble, problem, and cost of further reduction measures become unreasonably disproportionate to the additional risk reduction obtained.

Question 36

Audit

Accepted Answer

A systematic, independent, and documented process for obtaining audit evidence and evaluating it objectively to determine the extent to which audit criteria are fulfilled.

Question 37

Audit Criteria

Accepted Answer

A set of policies, procedures, or requirements (used as a reference).

Question 38

Auditor (Third Party)

Accepted Answer

A person certified to an international standard and registered in Qudorat to conduct third-party OSHMS audits per OSHAD SF requirements.

Question 39

Auditor

Accepted Answer

A person who is qualified to an international standard and has demonstrable auditing experience in conducting OSH audits.

Question 40

Audit Team Leader (Lead Auditor)

Accepted Answer

An auditor with qualifications, competence, and accreditation to lead an audit team that includes at least one other auditor.

Question 41

Auto-ignition Temperature

Accepted Answer

The minimum temperature required to initiate or cause self-sustained combustion in any substance without a spark or flame.

Dictionary