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Redline Version. NACE external corrosion direct assessment (ECDA) process—a process of assessing and reducing the impact of external corrosion on pipeline integrity. This is a "redline version" which highlights the changes from the previous edition.
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NACE external corrosion direct assessment (ECDA) process — assessing and reducing the impact of external corrosion on pipeline integrity.
El proceso de evaluación directa de corrosión externa (ECDA) - un proceso de evaluación y reducción del impacto de la corrosión externa en la integridad de la tubería.
Design, installation, operation, and maintenance of deep groundbeds for control of external corrosion of underground or submerged metallic structures by impressed current cathodic protection.
HISTORICAL DOCUMENT. Cathodic protection to all oil-treating vessels. Includes design criteria, selection, and installation of applicable systems, and the operation, monitoring, and maintenance of installed systems.
Measurement techniques and precautions commonly on underground tanks to determine if compliance with a specific criterion has been achieved.
Types of microorganisms and mechanisms by which MIC occurs on external surfaces of buried, ferrous-based metal pipelines. Testing for the presence of bacteria, research results, and interpretation.
Aboveground evaluation of the coating condition of underground metallic pipelines. Includes surveys of alternating current (AC) attenuation, direct current (DC), AC-voltage gradient, and the Pearson survey.
Slow strain rate (SSR) test method for screening and evaluating susceptibility of steels to ethanol Stress Corrosion Cracking (SCC). Relevent to the distribution of fuel ethanol.
Pruebas para medir potenciales para determinar si un criterio de protección catódica (SP) se logra en un sitio de prueba en tuberías de acero, fiero, cobre o aluminio, subterráneas o sumergidas.
HISTORICAL DOCUMENT. This standard test method provides descriptions of the measurement techniques and cautionary measures most commonly used on underground and submerged piping other than offshore piping to determine whether a specific criterion has been met at a test site. This standard contains instrumentation and general measurement guidelines. It includes methods for voltage drop considerations when structure-to-electrolyte potential measurements are made and provides guidance to minimize incorrect data from being collected and used. This standard is maintained by Task Group 020.