30.98 25. 4. 2025.
ISO
ISO/TC 131/SC 6
Међународни стандард
The preferred method is to extract fluid samples from a main flowline in such a manner that the particulate contaminant in the sample is representative of the fluid flowing at the point of sampling. An alternative method is to extract a sample from the reservoir, but this method should only be used if a suitable sampler is not fitted.
ОБЈАВЉЕН
ISO 4021:1992
НАПУШТЕН
ISO/CD 4021
30.98
Пројекат се брише из плана рада комисије за стандарде
25. 4. 2025.