Corrosion control upgrade fuel storage tanks & piping systems
Conference
·
OSTI ID:210205
It is estimated that there are more than 500,000 regulated buried steel tanks in the United States that have no effective corrosion protection at this time. These tanks will either have to be removed or upgraded in accordance with the Federal Environmental Protection Agency Regulations on Underground Storage Tank by December 22, 1999. The regulations, as provided in 40 CFR & 280, previously recognized only one method (physical entry into the tank to conduct an internal inspection) to determining the suitability of a buried steel tank to be upgraded with cathodic protection to provide the needed corrosion protection. Since internal tank inspections proved to be costly, disruptive, and potentially dangerous many UST owner/operators opted to delay their upgrade measures. Recognizing this and in an attempt to promote upgrades of steel tanks the EPA implemented an Emergency Standard ES-40-94 which is a non invasive method to assess with integrity of a steel tank prior to the application with cathodic protection. This non invasive method (Mean Time To Corrosion Failure Analysis) will be discussed along with the subsequent upgrade with an impressed current cathodic protection system.
- OSTI ID:
- 210205
- Report Number(s):
- CONF-9509139--
- Country of Publication:
- United States
- Language:
- English
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