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JUNE 2016 Volume 31, Number 2

Photo: Morrison Bros. Co.

STI info brochure about water risk for tank ownersSTI­SPFA has developed an informationalbrochure for UST owners, encouraging themto monitor and remove water from theirtanks. The brochure has easy­to­understandtext, a clear illustration of where water entersunderground tanks, and a list of furtherresources. Particularly with today's newer fuels, pooroperations and maintenance procedures for

monitoring and removing water from steel and fiberglass­reinforced plastic (FRP)storage tank systems can lead to a number of risks, from fuel quality degradationand frequent fuel filter changes, to microbial contamination and damage to theentire storage system, including, without limitation, submersible turbine pumpsoverfill prevention, dispensing and metering equipment, and leak detectionequipment. Just as compatibility of newer fuels with FRP tanks is a growing concern, so toois water in tanks storing newer fuels. In a recent blog onFuelMarketerNews.com, Paul Nazarro of Advanced Fuel Solutions, Inc., said that"Water is both the most common and most harmful contaminant to distillatefuel...Once in the tank, water is harmful in the exact opposite way that oil isharmful to water: while oil threatens life in water, water promotes life inpetroleum." Regulators, tank owners, consultants­all are welcome to download, distribute,and link to the "Protect your tanks, Reduce your downtime, Reduce your risk"brochure on STI­SPFA's website.

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Storage Tank Venting CompendiumAs in any specialized industry, there are people whoare experts in the construction, maintenance, andsafety of steel storage tanks. Over the years, theseexperts have generously shared their knowledgewith STI­SPFA's readers.

We've archived numerous articles about tankventing and thought it would be useful to gatherthem in one document. STI­SPFA and these expertsare the contributors:

Scott Stookey, Senior Technical Staff/FireProtection Engineer at International Code Council

Jeff Shapiro, PE, FSFPE at International Code ConsultantsRobert Benedetti, Senior Flammable Liquids Engineer, National FireProtection AssociationCharlie Glab, Morrison Bros. Co.

Download the Storage Tank Venting Compendium here...Back to top

IN THIS ISSUESTI reaches out to tank owners

about water riskStorage Tank Venting

CompendiumEPA to write chemical storage

tank rulesRevving up for optimum fuel and

vehicle efficiencySTI's Quality Control programConcrete water tank troublesPEI reviews crucial standardsPennsylvania: supplemental

anodesPermatank grows in Southeast

AsiaWho's using STI tanks?

New guidance for E15 retailers

Geyer interviewed about 100th Anniversary

Keith Reid, editor of Fuel MarketerNews magazine, interviewed WayneGeyer, Executive Vice President ofSTI­SPFA, for the magazine's Spring2016 issue. STI­SPFA is celebratingits 100th Anniversary this year.

Energy for Power

In the April issue of POWERmagazine, there's a fascinatinggraphic representation of the variedsources used to generate power tomake electricity. The graph is for theyear 2015 and runs the gamut fromnatural gas, the largest source, downto agricultural by­products.

STI's versatile F921 tank

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EPA to write chemical storage tank rulesRemember the dangerous chemical tank spill in WestVirginia in 2014? Up to 300,000 citizens in ninecounties were without clean water for days toweeks. The spill was the third chemical accident tooccur in the Kanawha River Valley within the last fiveyears.

EPA has had the authority to regulate chemicalstorage under the Clean Water Act for the past 20 years, but has been delayedby political maneuvering. A lawsuit subsequent to the West Virginia Spill by citizen groups requires theEPA to develop a proposed chemical spill prevention rule for comment by August2017, and promulgate the final rule by October 2018. EPA has stated that theyintend to hold stakeholder sessions during the rule development process.

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Revving up for optimum fuel and vehicle efficiencyAlthough new engine technologies areappearing on the scene, there's no doubt thatinternal combustion engines will dominate theUS vehicle fleet for several more decades.Concerns about climate change and pollutionrequire attention: the federal government has

set a goal of reducing all transportation green house gases (GHG) by 80% by2050.

The National Renewable Energy Laboratory (NREL, under the US Department ofEnergy) is committed to do its part to improve both fuels and vehicles. NREL'sproject is called "Fuel and Engine Co­Optimization" and its goal is to reducevehicle liquid­fueled GHG by 9­14%, using its research to determine:

What fuel properties maximize engine performance?How do engine parameters affect efficiency?What fuel and engine combinations are sustainable, affordable, andscalable?

At the M­PACT show in Indianapolis earlier this spring, John Farrell, LaboratoryProgram Manager for Vehicle Technologies at NREL, presented a thoroughoverview of the Co­Optimization research.

See the Co­Optimization project presentation...Back to top

STI's Quality Control program ensures top­notch tanksQuality control is a crucial aspect of allmanufacturing processes. That's why Memberfabricators of the Steel Tank Institute's licensedtank technologies are subject to periodic,unannounced inspections by a team of STI­SPFA Quality Control Inspectors.

These inspectors conduct a rigorousinvestigation of the manufacturing function attank fabricator facilities, to ensure that

companies are complying with the standards and specifications for manufactureof each licensed technology.

During the inspection, inspectors also verify that tank construction meetsapplicable Underwriters Laboratories (UL) and UL Canada (ULC) standards,including UL 58, UL 1746, UL 142, UL 80, UL 2085, and equivalent ULC andinternational standards. For tanks listed under Southwest Research Institute(SwRI) standards, inspectors provide separate reports to SwRI.

F921® aboveground storagetanks are manufactured with adouble­wall steel design.Standard features include built­in, testable, interstitial monitoringcapability and impermeablesecondary containment.Both horizontal and verticaldesigns include a variety ofsupport types, including saddlesand skids. Vertical tankssupported on legs with skirtavailable. Capacities range up to75,000 gallons. Nearly 32,000F921 tanks have beenregistered in the STI database.

STI's Flameshield:Fire­tested storage

STI's FLAMESHIELD®aboveground storage tanks aremanufactured with a tight­wrapdouble­wall design. Standardfeatures include 2­hour fire­tested performance, built­insecondary containment andinterstitial monitoring capability.Support designs available for allseismic requirements. Choosefrom many integral support types,including saddles and skids.Vertical tanks supported on legsand skirted available. Capacitiesrange up to 75,000 gallons. Morethan 28,500 Flameshield tankshave been built.

Shop Fabricated Tankresources

Petroleum Storage TankMaintenance webinarAbout ASTs and USTsCodes and regulationsSteel and alternativefuelsSTI's tank technologies

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Today, over 100 STI shop­fabricated tank shops are inspected, with an average offive STI technologies licensed per shop. More than 450,000 tanks have been builtto STI specifications. Because of the STI­SPFA Quality Control Program, ourMembers' customers are assured of the highest quality in manufacture of theseSteel Tank Institute licensed tank technologies.

See STI Quality Award recipients...Back to top

Concrete water tank troublesSTI­SPFA members who repair water tanks report from the field...

The exterior of this concrete tank looked terrible­­mold and mildew were growingextensively on about half the tank. The owner knew he was losing water.

Inside, holes in the tank were found where the metal liner panel inside the pre­stressed concrete walls had rusted. Not only was this concrete tank leaking, itwas also breaking down and creating major moisture migration to the exterior.

The tank was repaired by blasting it, filling all the holes, and coating it withspecialty­branded epoxies.

Another water management company had two 80,000 gallon pre­stressedconcrete tanks. The lime in the concrete was leaching into the water. Theproblem came to light when a homeowner had their water checked by a firm thatsells water purification units. The homeowner was told that their water wasunsafe and had a pH of 8.5. Quickly, this information spread to a large number ofhomeowners.

The water management company determined that water going into the tank had apH of 7.0, but pH was 8.5 when exiting the tank. The company had toimmediately line the tanks. The two 80,000 gallon tanks were lined with epoxiesformulated to allow the tanks to be placed back into service 24­26 hours aftercompletion of the lining.

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PEI reviews crucial standards in 2016PEI's recommended practices continue to play acrucial role in the fuel delivery industry. Four areslated for revision this fiscal year:

1. RP100 Installation of Underground StorageSystems

2. RP500 Inspection and Maintenance of Dispensing Equipment3. RP900 Inspection and Maintenance of Underground Storage Systems4. RP1200 Testing and Verification of Spill, Overfill Prevention, andSecondary Containment.

Work is also underway on the new RP1600 LNG Fueling Systems. Recentlycompleted is a new recommended practice on decommissioning and removal ofUST and AST systems.

Industry Calendar ofMeetings, Conferences and

EventsClick here

STI/SPFA Education andCertification ProgramsClick links for information

and registration

CATHODIC PROTECTIONINSPECTION TRAINING &

CERTIFICATIONJune 22­23, Pittsburgh PA

Sept. 20­21, DenverOct. 12­13, Kansas City MONov. 8­9, Richmond VA

SP001 AST INSPECTIONTRAINING &

CERTIFICATIONAugust 22­26, HoustonSept. 19­23, DenverNov. 7­11, Atlanta

Dec. 5­7, Owings Mills MD

PRESSURE VESSELS FORTHE 21ST CENTURY

WORKSHOPWith John Curry, PEAug. 22, 1­5 pm ­ Aug. 23, 8 am­noon

Houston TX

FIELD ERECTED WATERSTORAGE TANK

SEMINARSSept. 15, Kansas City, MO

Oct. 18, Austin, TX

ONLINE CERTIFICATETank Integrity Management

Certificate

RECORDED WEBINARS

NEW! Steel PipeFlange Installation Petroleum StorageTank MaintenanceSteel Water PipeFittings and DesignRegulation of TanksInside Buildings: A

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STI­SPFA is pleased to have representatives seated on the panels reviewingthese crucial standards.

See PEI's Recommended Practices here...Back to top

Pennsylvania cites STI's R972 for supplemental anodesThe Pennsylvania Department of EnvironmentalProtection's Division of Storage Tanks issued a noticeon February 29 regarding "sti­P3® Tanks and theAddition of Supplemental Anodes."

"The Department has recently investigated several instances where supplementalanodes were incorrectly installed on Steel Tank Institute sti­P3 ® tanks due toincomplete or improper tank evaluations," the notice stated. "Any and all repairsto underground storage tank systems must be properly conducted in accordancewith a code of practice developed by a nationally­recognized association or anindependent testing laboratory." To meet this regulatory requirement, the PADEP recognizes the requirements inthe current STI R972 Recommended Practice for the Addition of SupplementalAnodes to sti­P3 ® USTs. In addtion, Pennsylvania also requires the appropriatecertification.

STI­s R972 contains information regarding the number, size, and type of anodesthat may be used to supplement the cathodic protection of an sti­P3 tank;installation of the anodes; installation of test stations; and methods for to verifythe proper operation of the anodes after installation.

Read the PADEP notice...Get STI R972 document...

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Permatank grows in Southeast AsiaSTI's Permatank underground storage tank was introduced to North America in1992. Since then, it has gained popularity in many other parts of the world, aswell. STI Member Padungsilpa Engineering, Bangkok, Thailand, recently sharedphotos of there Permatank for instllation at major oil service stations in thePhilippines and Hongkong. In the Philippines, these are the first Permatanksinstalled and they replaced FRP tanks.

Permatanks installed at Shell Airport East in Hong Kong.

Guide for Code Usersand EnforcersTank VentingEssentials:PreVENTingCatastrophe

E­LEARNING MODULES

Steel Water PipeOverviewSteel Water PipeCoatings and LiningsSteel Water TankStandardsSteel Water TankConstructionSteel Water TankCoatings and Linings

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Tank Talk is published by STI/SPFA.For additional information or to entera complimentary subscription foryourself or a colleague, please visit

our website.

Recent and archived issues of TankTalk are available on thesubscription page.

To comment or submit copy, contact

Tank Talk EditorNoël Zak

STI­SPFA

944 Donata Ct.Lake Zurich, IL 60047

847­438­8265info@steeltank.com www.steeltank.com

Disclaimer

Technical and other informationpublished in Tank Talk is provided

without representations or warranties,express or implied. In particular,STI/SPFA does not warrant theaccuracy of information presented

from external sources.

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Permatank installed at Chevron station in Batangas, Philippines.

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Who's using STI tanks?Every tank manufactured under an STI license is registered in our database. Ourprimary purpose is to ensure quality control, but the database also yields someinteresting info.

When a manufacturer registers a tank, we're told who the owner is. This allowsus to break the data down to show who's using STI tanks.

STI Fireguard, Flameshield, F921, Generator Base Tank, F911

STI Permatank, sti­P3, ACT­100, ACT­100U, AquaSweep

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New guidance for E15 retailersStating its concern that "retailers couldpotentially order equipment that cannot legallydispense E15," the Renewable FuelsAssociation (RFA) recently published a

guidance document that advises on these issues, among others:

What are the equipment options to legally offer E15 to 2001 and newervehicles?What are the various dispenser hose configurations allowed?What are the retail fuel dispenser labeling requirements for eachconfiguration?

See the "How to offer E15" guidance document...Back to top