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Environmental Surveys methane andH2S

Chris Rella, Director of R&D

25 26 Jan, 2010

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Confidential Information 2

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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Confidential Information 4

Local meteorology

Weatherstation near tothe Valero &Shellrefineries

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Confidential Information 5

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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Confidential Information 6

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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Confidential Information 8

Chalmette area

No nearbyweatherstations, usedthis one

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Confidential Information 9

Chamette Refining

wind

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Confidential Information 10

Chalmette Refining, contd

Near and fartransects of

theChalmetteRefining

plume Peaks are

400 ppbabovebaselinelevels

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Confidential Information 11

Murphy Oil Refinery (looking downwind)

Peaks are 1 ppmvabove baselinelevels

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Old Paris Road Landfill

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Confidential Information 13

Two Landfills

2 miles

Unknown source

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Bogalusa Linerboard Mill

26 Jan 2010

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Confidential Information 15

Local Meteorology

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Confidential Information 16

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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Confidential Information 17

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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Confidential Information 20

Local Meteorology

Georgia Pacific Pulp mill

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Confidential Information 21

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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Confidential Information 22

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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Confidential Information 23

methane measurements in New Augusta

Source of

methanenear southend of mill

Peaks are

350 ppbabovebaseline