SP001 Inspections for ASTs: What you need to know

If your organization operates shop-fabricated or field-erected aboveground storage tanks (ASTs), you’re likely at least somewhat aware of the Spill Prevention, Control and Countermeasure (SPCC) requirements for regular inspections of these tanks. If you have ASTs that are required to conform to these regulations, there is an article in this quarter’s edition of the PEI Journal that you should read.

Titled, Integrity Testing Shop-Fabricated Aboveground Storage Tanks, the article by Alex Ralston, POE, provides an excellent summary of the inspection requirements and procedures required by STI SP001, which is the Standard for the Inspection of Aboveground Storage Tanks.

The SP001 standard applies to portable containers, shop-fabricated tanks and field-erected tanks up a maximum shell height of 50 feet, and a maximum diameter of 30 feet. In the article, Ralston summarizes the essential elements of this standard: 

"The STI SP001 standard is not a tightness test similar to those performed on underground tanks. The standard measures construction integrity; compliance with fire codes, building codes, industry standards and OSHA standards; and the integrity of the thickness of the metal tank shell as compared to the original tank shell thickness. That last requirement is essential. The shell thickness determines the suitability of the tank for continued service – specifically, whether the tank should continue in service or be taken out of service for repair or replacement. The inspection also sets the date of the next formal inspection."

The article goes on to include a detailed summary of what a certified inspector looks for in a SP001 inspection. It’s an excellent read if this is an area of concern for your fueling operation.

Tanknology provides SP001 inspections and testing. If you would like to set up an inspection program, review your existing approach, or learn more about our AST related services, email us at info@tanknology.com or call us at 1-800-964-1250.

Update on research targeting corrosion in ULSD systems

A significant topic in the petroleum storage and dispensing world in recent years has been the extreme rate of corrosion being experienced in some UST systems containing ultra-low sulfur diesel (ULSD). As early as 2008, this phenomenon was observed and by 2011 major industry organizations were in high gear in search of answers.

These organizations, which form the Clean Diesel Fuel Alliance (CDFA), awarded to the Battelle Memorial Institute with the support of Tanknology a research project intended to gain an understanding of what is causing the corrosion so that they might create a solution.

Battelle and Tanknology have now completed this initial project and the detailed findings are being reported in the current issue of the PEI Journal.

As a result of the sampling and analysis program in this study, the ultimate hypothesis was that the corrosion is likely due to the dispersal of acetic acid through the USTs.  This acid is likely produced by Acetobacter bacteria feeding on low levels of ethanol contamination. Dispersed into the humid vapor space and by disturbances during fuel deliveries, the acetic acid is deposited throughout the system. This results in a cycle of wetting and drying of the equipment, concentrating the acetic acid on the metal equipment and corroding it severely and rapidly. (The fill riser and STP photos to the right illustrate the severity of ULSD corrosion.)

But where is the ethanol contamination coming from? Initial study points to two possibilities: From switch loading or from a gasoline tank ventilation system that is manifolded with the diesel tank.

While this initial project provided an important step in possibly identifying the root cause of this rapid rate of corrosion, it did not provide enough certainty to justify changing the ULSD fuel distribution system.

The CDFA task force is now pursuing a next-level research project. In this advanced project, the hypothesis of the initial research will be further studied in order to prove or disprove it, as well as to provide a basis for alternative hypotheses if necessary and to identify the leading factors promoting the corrosive environment of ULSD systems.

According to Brad Hoffman, Tanknology’s lead scientist on the initial study, there is a clear sense of urgency in the work of the task force. “Corrosion at this rate of speed is very concerning,” Hoffman said. “So everyone is very anxious to understand why it’s happening and what needs to be done to stop it. At this point, we have what appear to be strong indications of what’s going on, but those need to be proven out so that corrective measures can be designed to mitigate this problem.”

So what can be done to minimize the potential for such corrosion in the meantime? According to Hoffman, “Until the absolute cause and a cure are identified, we recommend that operators keep their tank bottoms as absolutely free of water as possible. This is an important practice for any tank, but is particularly true of diesel tanks. Water is the enemy of fuel – especially diesel – in a UST.”

See us at M-PACT in Indianapolis and learn about TankCam, our newest service

If you plan to attend the M-Pact show in Indianapolis April 17 & 18, stop by and visit us at Booth # 636.

We'd love to tell you about our newest inspection service. Announced just two weeks ago, TankCam is a remote video system that provides a very cost effective way to get a thorough look inside your USTs.

If you have concerns about potential blistering, delamination or other structural issues, need to locate an unused riser in a tank, verify your overfill protection, or simply want to determine the cleanliness of your tanks, TankCam is the ideal solution. Never before has such a clear view inside a tank been so economical.

You can learn more about it, including actual video clips, here on our website, or in this press release.

We hope to see you in Indianapolis! 

Visit us in Las Vegas at WPMA, Feb. 19-21

If you get to Las Vegas for the Western Petroleum Marketers Association (WPMA) National Convention and Convenience Store Expo on Feb. 19 through 21, please be sure to stop and see us at the expo in the Mirage Hotel -- Booth #900.

We have an exciting new service we will be previewing at the show. (More details will be announced later this month.)

Also, we are celebrating our 25th year in business throughout 2013, so if you stop by our booth be sure to ask for a gift commemorating our milestone.

We hope to see you in Vegas!

Mansfield named 2012 Master Alliance Partner of the Year

Mansfield Energy/Fuel Systems & Services group has been honored as Tanknology's Master Alliance Partner (MAP) of the year for 2012.

At a dinner in Alpharetta, GA on Friday evening, Jan. 18, 2013, Mansfield executives (L to R in photo) Paul Martin, Manager of Fuel Systems & Services and Chet Davis, Vice President of Energy Systems Solutions, were presented a plaque commemorating the accomplishment by Tanknology Executive Vice President of Sales, Richard Schnabel.

“Mansfield was our top-producing partner in 2012 in the Master Alliance Program,” Schnabel said. “Their team of sales professionals around the country did an excellent job of matching our industry-leading compliance solutions with the needs of their conscientious and quality-oriented clients. By partnering with Mansfield in this area, we together bring their customers the services and expertise to ensure environmental compliance and system integrity in their fueling facilities.”

Tanknology’s MAP program consists of elite petroleum equipment distributors, contractors and independent oil companies who partner with the company in a joint-marketing program to provide their customers with access to Tanknology’s full-range of UST testing and compliance services. The program is designed for those companies who wish to expand their service offering by providing key additional services and site compliance assurance in a program of greater value to their existing clients.

A subsidiary of Mansfield Energy Corp., the Mansfield Energy/Fuel Systems & Services group provides end-to-end solutions to fuel customers in commercial and industrial sectors. This includes fuel procurement and management, billing, reporting, safety and environmental monitoring, equipment sales, repair and maintenance.

Tanknology provides resources for operators impacted by SuperStorm Sandy

As owners and operators of gas stations and other fueling facilities on the Eastern Seaboard assess the impact to their sites from SuperStorm Sandy, they're trying to figure out what they need to do to get their facilities back into operation.

The answers vary dramatically, depending upon the type of damage they experienced.

Tanknology has set up a web page devoted to helping operators determine what to do based upon the type of impact on their site. The situations range from merely loss of power to minimal flooding, to running out of fuel, to severe flooding. The information on this dedicated page addresses each situation and the recommended practices by both Tanknology and the EPA to bring sites back into operation.

The Storm Recovery web page can be found here: Tanknology Services for Storm Recovery

Articles from the media can also be found at CSPnet.com and Convenience Store News.

Tanknology VP Ignacio Allende's interview at Automechanika

Ignacio Allende, Vice President of Tanknology's International Division was recently interviewed at Automechanika, an international trade show held in Frankfurt, Germany. Ignacio spoke about how Tanknology's PetroScope remote video inspection system is being used around the globe for UST inspections.  He also talked about how Tanknology delivers its proven model for compliance testing and inspection services in 26 countries internationally through a network of international licensees, and what we look for in potential licensees in order to build successful long term partnerships.

Be sure to watch the video below, and feel free to leave us a comment!