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NACE TM0109-2009
Aboveground Survey Techniques for the Evaluation of Underground Pipeline Coating Condition
This standard presents acknowledged procedures for the application of aboveground techniques to evaluate the coating condition of underground metallic pipelines. It is specifically intended to address buried onshore metallic pipelines and is based on available technology and methods that have successfully demonstrated evaluation of the coating condition of buried pipelines. THis standard is maintained by Task Group 294.
NACE International [nace]