picarro's crds technology methane analysis southeast louisiana january 2010
TRANSCRIPT
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Environmental Surveys methane andH2S
Chris Rella, Director of R&D
25 26 Jan, 2010
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Methodology
Picarro CRDS CH4 &H2S instrument ppb resolution for
both gases in just afew seconds
Accurate, robust, andeasy-to-deploy
High resolution GPS
Batteries for mobileoperation
Gas snorkelGPS antenna
batteriesPicarro CRDS
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Norco Refinery Area
25 Jan 2010
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Local meteorology
Weatherstation near tothe Valero &Shellrefineries
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Looking into the wind
Plume visible inclose, mid-
distance, and longdistance transects
Most distant
transect is almost 6miles away!
Highest peaks are1.5 ppmv above
baseline
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Leak detection near Narco
There is a sign righthere that says buried
high pressure naturalgas pipeline
Peaks are very high
(several ppm of CH4) wind
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Chalmette Refinery Area
25 Jan 2010
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Chalmette area
No nearbyweatherstations, usedthis one
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Chamette Refining
wind
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Chalmette Refining, contd
Near and fartransects of
theChalmetteRefining
plume Peaks are
400 ppbabovebaselinelevels
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Murphy Oil Refinery (looking downwind)
Peaks are 1 ppmvabove baselinelevels
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Old Paris Road Landfill
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Two Landfills
2 miles
Unknown source
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Bogalusa Linerboard Mill
26 Jan 2010
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Local Meteorology
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Temple Inland Mill, Bogalusa, LA
Manufactureslinerboard
unbleached kraftpaperboard used
for the flat facing
material incorrugated
container board(i.e., cardboardbox)
Capacity 770,000 kg/ year
Information courtesyof www.cpbis.gatech.edu
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Hydrogen sulfide measurements in Bogalusa
Image facing ENE (i.e.,~ downwind)
Hydrogen sulfide peaksare about 35 ppb high
Measurements madefrom 11:15 12:00
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New Augusta Market Pulp Mill
26 Jan 2010
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Local Meteorology
Georgia Pacific Pulp mill
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Georgia Pacific Market Pulp Mill
Manufactures market pulp
Pulp produced at one location, tobe sold and used at anotherlocation to make paper or board;includes bleached paper-gradechemical pulp, deinked
(recycled) market pulp,dissolving pulp, cotton linter pulp
Capacity 550,000 kg / year
Information courtesy ofwww.cpbis.gatech.edu
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Hydrogen sulfide measurements in New Augusta
Image facing E(i.e., ~
downwind) Hydrogen
sulfide peaksare about 20ppb high
Stationary datacollected at
arrow locations
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methane measurements in New Augusta
Source of
methanenear southend of mill
Peaks are
350 ppbabovebaseline