Participate in providing samples for analysis in downstream operations

Business Sectors (Suites): Downstream Operations
Developed by: Cogent
Approved on: 29 Mar 2019


​This standard is about your contribution to taking samples for analysis.

This standard deals with the following:

1 Prepare to take samples
2 Take samples

During this work you must take account of the relevant operational requirements and safe working practices AS THEY APPLY TO YOU.

This is suitable for those working in the downstream fuel environment.

Previous Version:

Adapted from Unit 6 of Refinery Field Operations NOS – version April 2005

Performance criteria

You must be able to:

P1 inform appropriate people that samples are being taken
P2 properly obtain containers appropriate for the sample material
P3 ensure that containers obtained are fit for purpose before use
P4 properly obtain appropriate clothing and equipment
P5 identify the location of the nearest safety equipment
P6 comply with the requirements stated in the appropriate documentation
P7 take samples using the appropriate specified method
P8 minimise the potential hazards according to the nature of the sample
P9 take samples which match the schedule instructions
P10 ensure that samples taken are representative
P11 ensure that the integrity of the sample is maintained
P12 complete all relevant documentation
P13 ensure that the sample is fully identified by recording and labelling and promptly taken to the designated point
P14 leave sample points in a clean and safe condition ready for re-use
P15 work safely in accordance with operational and statutory requirements

Knowledge and Understanding

You need to know and understand:

K1 the need for appropriate personal protective equipment (PPE)
K2 the importance of well maintained equipment
K3 the importance of informing the appropriate people
K4 the different types of container used and their specific uses
K5 how to access and interpret the appropriate documentation
K6 the potential incidents which might occur while taking samples and the actions required
K7 the importance of matching schedule and instructions when sampling and analysing
K8 how to take samples in the most time-economical manner
K9 how to maintain sample integrity
K10 the consequences of not following the sampling procedure
K11 the reasons for not taking samples according to schedule


Scope Performance

Scope Knowledge





Links To Other NOS

External Links

Version Number


Indicative Review Date

29 Mar 2024





Originating Organisation


Original URN


Relevant Occupations

Engineering, Engineering and Manufacturing Technologies, Plant and Machine Operatives, Process, Plant and Machine Operatives

SOC Code



participate, provide, take, sample, analysis