Paul’s Picks #1:

Spontaneous TrenchingFire Sequence

June 2003Warren C&D Landfill - Ohio

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Subsurface Fire ?

Culprit– Poor compaction– Decomposition– Leachate re-circulation

Smoke visible along RR tracks– Bare spots in winter despite snow cover– Wisps of smoke (acrid, burning odor)

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Melted Snow

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Pipes / Hoses

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Tankers / Pallets

Usually a surfactant or wetting agent

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Temp Probes

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Aerial Thermograph

EPA Contractor– 7 runs, 2200’ elevation, 12:45 – 1:10pm– Olympus E20 digital camera

Temperature & chemical analysis– RS-800 Infrared line scanner– MR245 FTIR hyper-spectral scanner

Ambient temperatures on surface– Areas of concern

Pure white areas above 50oC or 120oF– Areas of interest

Areas above 28oC or 80oF

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The Plan

Control plan– Process, preparation, equipment, personnel– Environmental Plan

Weather Leachate handling Air quality

– Safety, contingency– Monitoring

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To the pumps …

‘PyroCool’

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Game on…

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0:00:00

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0:00:12

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0:00:21

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0:00:31

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0:00:41

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0:01:01

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0:01:09

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0:03:21

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0:09:51

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0:10:30

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Pop safety quiz …

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00:15:00

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0:25:00