To access the full list of BCGA Publications please click here.

For more details, download the Information Note on BCGA Publications by clicking here.


GN2 Guidance for the storage of gas cylinders in the workplace.

03/03/2016 Guidance Notes GN2

This document is obsolete and has been replaced by Code of Practice 44, The storage of gas cylinders.

You can download Code of Practice 44 here.

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GN3 Gas cylinder – Manual handling operations. Revision 4: 2022

31/08/2022 Guidance Notes GN3

Provides guidance on the principles of safe practice when handling gas cylinders. It takes account of the Manual Handling Operations Regulations, as they relate to gas cylinders, and provides an illustrated example of good practice.

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GN6 Avoidance and detection of internal corrosion of gas cylinders. Revision 3: 2021

19/01/2021 Guidance Notes GN6

Describes methods to prevent and detect internal corrosion of gas cylinders. Includes measures to prevent contamination by customer processes, and methods of moisture and corrosion detection.

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GN7 The safe use of individual portable or mobile cylinder gas supply equipment.

12/10/2018 Guidance Notes GN7

This document is obsolete and has been replaced by Code of Practice 47, The safe use of individual portable or mobile cylinder gas supply equipment.

You can download Code of Practice 47 here.

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GN8 Catalogue of gas container marks used by BCGA members and their inspection bodies. Revision 6: 2018

02/05/2018 Guidance Notes GN8

This document provides a list of the recognised gas container test marks used by BCGA members and their inspection bodies during an inspection and test.

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GN9 The application of the confined spaces regulations to beverage dispense. Revision 3: 2020

22/10/2020 Guidance Notes GN9

All gases, unless they contain sufficient oxygen, can kill by asphyxiation. Enriched carbon dioxide atmospheres can be intoxicating. The risk from these hazards is increased in any location where there is inadequate ventilation, such as an enclosed or confined space. The Confined Spaces Regulations require that a suitable and sufficient risk assessment is carried out and appropriate controls are put in place, through a safe system of work, to protect those who are required to access a confined space.

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GN11 The management of risk when using gases in enclosed workplaces. Revision 4: 2018

05/02/2018 Guidance Notes GN11

This document is obsolete and has been replaced by Code of Practice 52, The management of risks from gases in the workplace.
You can download Code of Practice 52 below.

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GN13 DSEAR risk assessment guidance for compressed gases. Revision 1: 2021

14/01/2021 Guidance Notes GN13

Provides guidance on the Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR) which require all sites, where there are gas containers, to undertake a risk assessment and, where necessary, to implement appropriate controls.

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GN14 Production, storage, transport and supply of gases for use in food. Revision 2: 2015

18/11/2015 Guidance Notes GN14

Provides advice to producers and suppliers of food gases on how to comply with the Food Safety Regulations. Companies that supply gases for food use have to meet specific legal obligations and are required to ensure food safety. The Guidance Note includes coverage of the production and supply of food gases in bulk, the use of cylinders and other transportable receptacles, dry ice production and supply, and the supply or use of on-site gas generators.

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GN17 BCGA policy and guidance for the safe filling of third-party owned and/or maintained tanks.

01/09/2021 Guidance Notes GN17

This document is obsolete and has been replaced by Code of Practice 48, The safe filling of third-party owned and/or maintained tanks.

You can download a copy of CP48 from our Publications Section, under Codes of Practice.

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GN19 Cryogenic sample storage systems (Biostores) – Guidance on design and operation. 2012

01/09/2012 Guidance Notes GN19

This document is obsolete and has been replaced by Code of Practice 45.

You can download Code of Practice 45 here.

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GN20 Guidance for training providers. Revision 3: 2024

14/06/2019 Guidance Notes GN20

This document provides guidance to Training Providers on the provision of training services related to the safe use of gases and associated equipment.

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GN21 Environmental guidelines for air separation plant and equipment on sites regulated under EPR / PPC. Revision 3: 2023

08/11/2023 Guidance Notes GN21

Provides guidance on how BCGA members, who operate air separation units, can assist their customers to comply with The Environmental Permitting (England and Wales) Regulations (EPR) and The Pollution Prevention and Control (Scotland) Regulations (PPC).

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GN23 Gas safety. Information, Instruction and Training. Revision 2: 2023

20/07/2023 Guidance Notes GN23

Provides information on the topics which should be covered when considering gas safety training in the workplace. It is primarily for management and supervisors of personnel who either store, handle, use or transport gas cylinders and cryogenic gases

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GN25 Guidance on assessing the competency of personnel undertaking periodic inspection and testing of gas cylinders. Revision 1: 2021

15/01/2021 Guidance Notes GN25

Provides guidance on assessing the competency of personnel who are required to undertake periodic inspection and testing of gas cylinders. It explains the regulatory background and then provides extensive information on conducting an appropriate assessment.

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GN26 Medical gases. Selection and maintenance of seals used on high pressure cylinders. Revision 1: 2019

01/05/2019 Guidance Notes GN26

Provides information on best practice for users of medical gas cylinders when they are connecting approved medical equipment to gas cylinders. It provides advice on non-pressure regulated cylinder valves, the selection of a suitable seal and the correct procedure for the preparation of connections prior to fitting them to a cylinder.

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GN27 Guidance for the carriage of gas cylinders on vehicles. Revision 2: 2017

09/05/2017 Guidance Notes GN27

This document is obsolete and has been replaced by Code of Practice 50, The carriage of gas cylinders on vehicles.
You can download Code of Practice 50 below.

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GN28 Packaging waste within the industrial gases industry. Revision 2: 2023

09/11/2023 Guidance Notes GN28

Provides advice on the obligations necessary when procuring refillable steel gas cylinders for companies to comply with the Producer Responsibility Obligations (Packaging Waste) Regulations and the Packaging (Essential Requirements) Regulations.

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GN29 Medical gases. The management of medical oxygen in domiciliary use – 2020.

18/06/2020 Guidance Notes GN29

This document covers the supply of medical oxygen for domiciliary use, supplied to patients in their home, care home or other domiciliary facility. It includes advice to patients and carers, as well as healthcare professionals, on the initial actions to take should an incident occur with medical oxygen

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GN30 The safe use of gases in the beverage dispense industry. Revision 1: 2017

05/01/2017 Guidance Notes GN30

Provides guidance to those who need to handle, use and store beverage gases. Addresses safety and operational issues associated with beverage gases, their use in cellars and beverage dispense pressure systems. The document covers cylinder identification, handling, use, corrosion prevention and product quality.

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GN31 Medical gases. The use of valves incorporating residual pressure devices. Revision 1: 2023

27/04/2023 Guidance Notes GN31

This document provides guidelines for the selection, installation and use of valves which incorporate a residual pressure device in medical gas cylinders, such that common practices are established across the gas industry. It is intended for those who are involved in the specification of cylinder valves and cylinder operations, as well as providing information to those using these valves.

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GN32 Medical gases. Good distribution practice. Revision 2: 2023

08/06/2023 Guidance Notes GN32

Medical products require effective management control during their distribution to ensure quality and integrity are maintained.

This document provides guidance on good distribution practice as required by the medical regulators

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GN33 The safe use of gases for leisure and catering. 2021

04/03/2021 Guidance Notes GN33

The use of gases is common in the leisure and catering industries. However, gases are hazardous and the user of the gases has a duty of care to all those who may be affected by their activities and they have to take all necessary safety measures to control all risks.

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GN34 The safe use of gases in the steel industry. 2018

25/04/2018 Guidance Notes GN34

A document, developed with UK Steel, which provides guidance on the use of externally supplied gases at steel production sites. Includes advice on design, storage, handling, maintenance, use and gas quality.

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GN35 Vehicle selection and transport management. Revision 1: 2022

06/10/2022 Guidance Notes GN35

Provides advice on vehicle selection, the recruitment, training and assessment of transport personnel and the relevant elements of a transport management system associated with Class 2 dangerous goods.

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GN36 Guidance for the use, inspection and transport of cylinders with various design codes. 2017

16/08/2017 Guidance Notes GN36

Provides guidance on the range of gas cylinders which may be encountered in the UK and the associated regulations that control their use.

Readers are advised to check the information in GN36 against current legislation. Changes brought about following Brexit will be incorporated in due course.

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GN37 Medical Gases. Data integrity. Revision 1: 2023

27/07/2023 Guidance Notes GN37

Data integrity is fundamental in a pharmaceutical quality system. This document provides guidance on compliance with the data integrity requirements for batch documentation relating to medicinal gases.

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GN39 Medical Gases. Responsible Person. 2020

09/01/2020 Guidance Notes GN39

Sets out the duties, roles and responsibilities of a Responsible Person within an organisation that distributes medicinal gases.

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GN40 Medical Gases. Quality management systems. Corrective and preventative actions. 2019

01/05/2019 Guidance Notes GN40

Any company manufacturing or distributing medical gases has to operate a quality management system. This document provides information on possible corrective and preventative actions.

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GN41 Separation distances in the gases industry. 2020

03/08/2020 Guidance Notes GN41

Clarifies BCGA's meaning of, and recommendations for, separation distances. This edition has collected many separation distances used in BCGA publications into a single document. Future revisions of this Guidance Note will review, further develop and consolidate the separation distances.

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GN42 Medical gases. Incident reporting. 2021

20/04/2021 Guidance Notes GN42

Provides information on the reporting systems available in the UK if there is an incident with, or a problem is identified with, a medicinal gas or its associated medical device.

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GN44 Portable or mobile cylinder gas equipment. Thorough inspection. 2021

01/09/2021 Guidance Notes GN44

Provides guidance to enable a thorough inspection, which must be carried out on portable or mobile cylinder gas equipment at suitable intervals by a competent independent safety inspector.

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GN45 Dangerous Goods Safety Adviser. 2022

12/01/2022 Guidance Notes GN45

Sets out the purpose, role and duties of a Dangerous Goods Safety Adviser, with an emphasis on Class 2 (gases) dangerous goods.

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GN46 Medical gases. Safe management of oxygen in care homes

25/08/2022 Guidance Notes GN46

Sets out the safe use of medicinal oxygen, as a liquid or a gas, as well as the medical devices which support oxygen delivery within a Care Home.

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GN48 Type Approval and Conformity Assessment of Transportable Pressure Equipment in the UK. Revision 2: 2023

07/02/2023 Guidance Notes GN48

Clarification of the legislation in the UK for transportable pressure equipment, including the various type approval and conformity assessment requirements.

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