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A

ABNT (Associa�ão Brasileira de Normas Técnicas)

Absolute pressure

Accredited standard

AFNOR (Association Fran�aise de Normalisation)

Ambient Air Monitoring

Analytical Accuracy

Analytical Tolerance /Analytical Uncertainty

Atmosphere (Standard)

B

BAM (Bundesanstalt für Materialprüfung)

Blended concentration

Blend accuracy (Process accuracy)

Blend tolerance

BS 341 (British Standard)

Bursting disk (Frangible disk)

C

Calibration curve

Calibration gas

Calibration range

Certificate of analysis

Certificate of conformity

Certified concentration

Certified reference material (CRM)

Chemical Abstract Service (CAS)

Coefficient of flow (C)

Compressed gases

Compressed Gas Association, Inc. (CGA)

Continuous Emission Monitoring (CEM)

Critical Density

Critical Impurity

Critical pressure

Critical temperature

Cryogenic liquid

Cryogenic liquid container

D

Delayed (chronic) health hazard

DIN (Deutsche Industrie Norm)

DOT (Department of Transportation)

E

ECD (Electron Capture Detector)

ECHA (European Chemicals Agency)

Eductor (liquid delivery) tube

EIGA (European Industrial Gases Association)

EPA (Environmental Protection Agency)

Expanded Uncertainty

Expiration period

F

FDA (US Food and Drug Administration)

FID (Flame Ionisation Detector)

Flame photometry

Flammable Limits

Flammable Range

FTIR – Fourier Transform Infrared

G

Gas chromatography

Globally Harmonized System - GHS

Global Warming Potential - GWP

H

Heat of Vapourisation

HPLC - High performance liquid chromatography

Hydrocarbon blend

Hydrostatic Test -Hydrostatic Pressure Test

I

Immediately Dangerous to Life and Health (IDLH)

Immediate (Acute) Health Hazard

Inorganic substance

IRAM 2539 (Instituto Argentino de Racionalización de Materiales)

ITC-EP-6 (Instrucción Técnica Complemetaria - Equipos Presión)

K

L

LC-MS - Liquid chromatography - mass spectrometry

LC - Liquid chromatography

LEL (Lower explosive limit)

Liquefied Compressed Gas

M

Material Safety Data Sheet -MSDS -SDS

Maximum Operating Pressure

Minor Component

Modified Atmosphere Packaging (MAP)

Molecular Weight

N

NEN (Nederlandes Norm)

NEN (Nederlandse Norm)

NIST (National Institute of Standards and Technology)

NMi (Netherlands Measurement Institute)

Non-Liquefied Gas

Non-Refillable Container

Non Flammable Gas

Normal Boiling Point (nbp)

Normal Evaporation Rate (NER) -Cryogenic

Normal Temperature and Pressure (NTP)

NPL (National Physical Laboratory)

NTRM (NIST-Traceable Reference Material)

Nuclear Counters

O

OSHA (Occupational Safety and Health Association)

Outlet pressure

P

Partial pressure

Particle counter

Particle detector

Parts per Billion (PPB)

Parts per Million (PPM)

Permissible Exposure Limits (PEL)

Phyrophoric Gas

Physical hazard -Chemical

Piston Cylinder

Primary Reference Material (PRM)

Process Accuracy

R

Reactive hazard

Reference Standard

Requested Concentration

Resolution -Instrument

Restrictive Flow Orifice (RFO)

S

Safety Data Sheet (SDS - MSDS)

Safety Relief Device

Self-relieving (Self-venting)

SFC (Supercritical Fluid Chromatography)

SFE (Supercritical Fluid Extraction)

Single Stage Regulator

Specific Density, Gas

Specific Gravity (SpG)

Specific Heat Ratio

Specific Volume (SpV)

SRM (Standard Reference Material)

Stability -Mixture

Standard Uncertainty

Static Pressure

STEL Short Term Exposure Limit

STP (Standard Temperature and Pressure)

T

Threshold Limit Value - Ceiling (TLV Ceiling)

Threshold Limit Value - Short Term Exposure Limit (TLV-STEL)

Threshold Limit Value - Time Weighted Average (TLV-TWA)

Threshold Limit Value (TLV)

Total Hydrocarbon Content - THC

Triplepoint (tp)

Two-Stage Regulator

U

UNI (Ente Nazionale Italiano di Unificazione)

Upstream pressure

V

VSL - van Swinden Laboratorium

W

Working pressure

Z

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