API 500, Recommended practice for classification of locations for electrical installations at petroleum facilities classified as class I, division 1 and division 2.

API 505, Recommended practice for classification of locations for electrical installations at petroleum facilities classified as class I, zone 0, zone 1 and zone 2.

Ex 00014 Version 2, Quality management system requirements for IECEx service facilities involved in repair, overhaul and modification of Ex equipment.

Institute of Petroleum. Model code of safe practice in the petroleum industry - Part 9: Liquefied petroleum gas - Volume 1: Large bulk pressure storage and refrigerated LPG.

Institute of Petroleum. Model code of safe practice in the petroleum industry - Part 9: Liquefied petroleum gas - Volume 2: Small bulk pressure storage.

Institute of Petroleum. Model code of safe practice in the petroleum industry - Part 15: Area classification code for petroleum installations.

NFPA 70, National electrical code.

SANS 31010, Risk Management - Risk assessment techniques.

SANS 9001/ISO 9001, Quality management systems - Requirements.

SANS 10086-1, The installation, inspection and maintenance of equipment used in explosive atmospheres - Part 1: Installations including surface installations on mines.

SANS 10089-1, The petroleum industry - Part 1: Storage and distribution of petroleum products in above-ground bulk installations.

SANS 10089-2, The petroleum industry - Part 2: Electrical and other installations in the distribution and marketing sector.

SANS 10089-3, The petroleum industry - Part 3: The installation, modification, and decommissioning of underground storage tanks, pumps/dispensers and pipework at service stations and consumer installations.

SANS 17025/ISO/IEC 17025, General requirements for the competence of testing and calibration laboratories.

SANS 60079-10-1/IEC 60079-10-1, Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres.

SANS 60079-10-2/IEC 60079-10-2, Explosive atmospheres - Part 10-2: Classification of areas - Combustible dust atmospheres.

SANS 60079-14/IEC 60079-14, Explosive atmospheres - Part 14: Electrical installations design, selection and erection.

SANS 60079-20-1, Explosive atmospheres- Material characteristics for gas and vapour classification - Test for methods and data.

SANS 60598-1/IEC 60598-1, Luminaires - Part 1: General requirements and tests.

SANS/ISO/IEC 80079 (all parts), Explosive atmospheres.