Nuclear gauge testing manual (superseded)

Superseded versions of the Nuclear Gauge Testing Manual (NGTM) are for advice on existing contracts and should not be used on new projects.

View the current version of the Nuclear Gauge Testing Manual.

For enquiries, please email [email protected].

NGTM (Edition 4, amendment 2), September 2024

• Full copy (superseded) (superseded 17 December 2025)
• Amendment register

NGTM (Edition 4, amendment 1), October 2023

• Full copy (superseded) (superseded 30 September 2024)
• Amendment register

NGTM (Edition 4), August 2023

• Full copy (superseded) (superseded 13 October 2023)
• Amendment register

NGTM (Edition 3, amendment 8), August 2022

• Full copy (superseded) (superseded 31 August 2023)
• Amendment register

NGTM (Edition 3, amendment 7), May 2022

• Full copy (superseded) (superseded 12 August 2022)
• Amendment register

NGTM (Edition 3, amendment 6), April 2021

• Full copy (superseded) (superseded 6 May 2022)
• Amendment register

NGTM (Edition 3, amendment 5), February 2021

• Full copy (superseded) (superseded 30 April 2021)
• Amendment register

NGTM (Edition 3, amendment 4), July 2019

• Full copy (superseded) (superseded 17 February 2021)
• Amendment register