john wagner rehs, cem - neiwpccneiwpcc.org/tanks2010old/presentations/tuesday...

John Wagner REHS, CEM

Southern Nevada Health District

When the SNHD inspector saw the CSLD PERIODIC

TEST FAIL alarm at the facility’s annual UST

inspection, he quickly asked the owner “how long has

this been on?” Surprised at the inspector’s concern,

the owner calmly responded, “6 Months.”

22nd Tanks Conference and Expo

Boston, MA September 21, 2010

The Emperor's New Clothes

• Technical aspects of CSLD leak detection

• Common technician errors

• Need for additional owner/operator training

• Site characterization protocol

• Inspector testimony before State Petroleum Fund Board

• Final Outcome

Today’s case study will highlight:


• Three single wall 1991 Owens Corning FRP tanks.

• Veeder-Root TLS 350 running CSLD

• Annual Line tightness tests.

Everything was great until…

T2 PERIODIC TEST FAIL


Sep 08


The call is made…

Sep 08

Technicians Respond


Sep 08

CSLD rate tables are reset

Reset 1

What could it be?


27 Days


The alarm goes

off again…

Sep 08


Reset 1

A different technician

responds…

Reset 2


27 Days


Sep 08


The alarm goes

off again…

A different technician

responds…

Reset 1 Reset 2 Reset 3


27 Days


Sep 08

SNHD performs inspection

Reset 1 Reset 2 Reset 3 Mar 09

http://southernnevadahealthdistrict.org/


Sep 08




Sep 08

Nevada Petroleum Fund Board




Sep 08


Site characterization and remediation



Some additional insights:

• Proper response to Periodic Failure

• Owner/Operator training

• Normally open/Normally closed

• Rewiring probes to run monthly tests

•The importance of Diagnostic mode to inspectors.

The Veeder-Root Company www.veeder.com

Special Thanks to:

• Citizens of Nevada

• Nevada Division of Environmental Protection

• Nevada State Petroleum Fund

• Scott McNulty of Broadbent and Associates, Inc.

• The Veeder-Root Company

• Mr. John McSweeney of Mick & Macks Inc.

john wagner rehs, cem - neiwpccneiwpcc.org/tanks2010old/presentations/tuesday...

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