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SECONDARY CONTAINMENT - DOUBLE TROUBLE ? KEVIN HENDERSON 17th ANNUAL UST/LUST NATIONAL CONFERENCE SEATTLE, WASHINGTON MARCH 15, 2005

SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 [email protected]. Title: untitled Created Date: 6/1/2005 8:53:30 AM

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Page 1: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT -DOUBLE TROUBLE ?

KEVIN HENDERSON17th ANNUAL UST/LUST NATIONAL CONFERENCE

SEATTLE, WASHINGTON

MARCH 15, 2005

Page 2: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

What is it?

How is it performing?

How is it repaired?

What is the future?

SECONDARY CONTAINMENT

Page 3: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Broad gulf separating manufacturer’s and typical end user’s expectations

Typical end user expects that system will catch and store spills for long

periods of time (until I can get to it)

Page 4: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Manufacturers expect systems to “temporarily” contain fuel only until leak

is detected and cleaned-up

Temporary storage normally considered to be 72 hours or less

Page 5: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Temporary storage means close monitoring

is necessary

Continuous leak detection

Sumps must be cleaned-up whenever

a spill occurs

Page 6: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Should leak detection be relied on to ensure integrity of secondary

containment?

Page 7: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Manufacturers don’t expect long term fuel exposure but ...

Page 8: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Catastrophic Leaks Occur

Page 9: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

“Routine” Leaks Occur

Page 10: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Maintenance Activities Occur

Page 11: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Material behavior is not understood by

most end users

Page 12: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

When secondary containment works but leak detection does not

Page 13: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

When secondary containment and leak

detection both fail

Page 14: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT

EXCAVATION LINERS

DOUBLE-WALLED TANKS

DOUBLE-WALLED PIPING

SUMPS

BULKHEAD FITTINGS

BOOTS

Page 15: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

EXCAVATION LINER

Page 16: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE-WALLED FRP TANKS

Page 17: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE-WALLED STEEL TANKS

Page 18: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE-WALLED COMPOSITE TANKS

Page 19: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

COMPOSITE - STEEL WITH THERMOPLASTIC

Page 20: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Test Requirements• Vacuum Minimum = 15” Hg• Test Period = 12 Hours• Decrease > 5” = Fail

PERIODIC TANK TEST FORINTERSTITIAL TIGHTNESS

CALIFORNIA INTEGRITY TESTING

Page 21: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY INTEGRITY ?

Page 22: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS ?

Page 23: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE WALLED FRP - 3 OVER 2

Page 24: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE WALLED FRP - INTEGRAL

Page 25: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY INTEGRITY ?

Page 26: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE WALLED - THERMOPLASTIC OVER FRP

Page 27: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT ?

Page 28: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE WALLED - SEMIRIGID THERMOPLASTIC

Page 29: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE WALLED - COAXIAL THERMOPLASTIC

Page 30: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY INTEGRITY ?

Page 31: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY INTEGRITY ?

Page 32: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY INTEGRITY ?

Page 33: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY INTEGRITY ?

Page 34: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

tennesseeREPAIRS ?

Page 35: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

THERMOPLASTIC SUMPS

Page 36: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

FRP SUMPS

Page 37: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

STEEL SUMPS

Page 38: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SHALLOW DISPENSER PANS

Page 39: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT - CAJUN

Page 40: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

CAJUN LEAK DETECTOR

Page 41: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT - REDNECK

Page 42: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

MISSISSIPPI LEAK DETECTOR

Page 43: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

TERTIARY CONTAINMENT ?

Page 44: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

FRP SUMP INTEGRITY

Page 45: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

THERMOPLASTIC SUMP INTEGRITY

Page 46: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

THERMOPLASTIC SUMP INTEGRITY ?

Page 47: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

STEEL SUMP INTEGRITY

Page 48: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP BRACING

Page 49: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP BRACING ?

Page 50: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP INTEGRITY TESTING

Page 51: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP INTEGRITY

Page 52: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP INTEGRITY

Page 53: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP INTEGRITY

Page 54: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP INTEGRITY

Page 55: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP INTEGRITY

Page 56: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SUMP INTEGRITY

Page 57: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS

Page 58: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS

Page 59: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS

Page 60: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS ?

Page 61: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT - “CHASE” PIPE

Page 62: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT ?

Page 63: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT ?

Page 64: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT ?

Page 65: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

“CHASE” PIPE INTEGRITY

Page 66: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

“CHASE” PIPE INTEGRITY

Page 67: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT - BULKHEAD FITTINGS

Page 68: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

BOOT SEAL INTEGRITY

Page 69: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

CONDUIT BOOT INTEGRITY

Page 70: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

CONDUIT BOOT INTEGRITY

Page 71: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

PIPE BOOT INTEGRITY

Page 72: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

PIPE BOOT INTEGRITY

Page 73: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS ?

Page 74: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS ?

Page 75: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

REPAIRS

Page 76: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

• Under dispenser containment (UDCs)– 79% of all UDCs failed

in 2001 and 50% of all UDCs failed in 2004

– Penetration fittings were determined to be the primary cause of failure

CALIFORNIA TESTING

Page 77: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

• Tank top containment sumps– 53% of all containment

sumps failed in 2001 and 28% in 2004

– Penetration fittings were determined to be the primary cause of failure

– 100% of HDPE sumps failed the testing in 2001

CALIFORNIA TESTING

Page 78: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

• SB898 (2001) & AB2481 (2003) test results:– 93% of all locations tested

failed at least one secondary containment component

CALIFORNIA CONCLUSIONS

Page 79: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT

What is it?Practically anything

What is it intended to be?Remains to be answered

How is it performing?Things could be better

How is it repaired?No clear standards

Page 80: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Double-walled everything- Sumps; Spill buckets; Vents

Continuous monitoring- Not just electronic sensors- “European” monitoring has

pressurized interstice or vacuum applied

What Does the Future Hold?

Page 81: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE-WALLED SUMPS

Page 82: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

DOUBLE-WALLED SPILL BUCKET

Page 83: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

“SECONDARILY CONTAINED” VENT LINES

Page 84: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

IS THERE ANY HOPE?

Page 85: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

SECONDARY CONTAINMENT MUST BE:Tighter - withstand groundwater intrusion

Stronger - withstand burial and traffic conditions

Compatible - withstand long term fuel exposure

Page 86: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Changes to UL 971 standard

Create UL standard for sumps (2447)

Page 87: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM
Page 88: SECONDARY CONTAINMENT - DOUBLE TROUBLE · Kevin Henderson (601) 961-5283 Kevin_Henderson@deq.state.ms.us. Title: untitled Created Date: 6/1/2005 8:53:30 AM

Kevin Henderson

(601) [email protected]