Forensic Fingerprinting Petroleum Contaminants using UVF Field Screening Technology Technical Session (Frio): Environmental Forensics for Petroleum Hydrocarbons Thursday, November 14 th 8:50AM – 9:15AM Steve Greason, Speaker Sitelab Corporation Grand Calumet River and Lake Michigan
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Forensic Fingerprinting Petroleum Contaminants using UVF ... · Forensic Fingerprinting Petroleum Contaminants using UVF Field Screening Technology ... Heavy PAHs Product No. CAL-061
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Forensic FingerprintingPetroleum Contaminants using UVF Field Screening Technology
Technical Session (Frio): Environmental Forensics for Petroleum Hydrocarbons
Thursday, November 14th 8:50AM – 9:15AM
Steve Greason, Speaker
Sitelab Corporation
Grand Calumet River and Lake Michigan
What is Ultraviolet Fluorescence?
How Does it Work?
Inside a Fixed Wavelength Fluorometer
UV Lamp
ExcitationOptical Filter
Glass Cuvette
EmissionOptical Filter
Photomultiplier Detector
Energizesmolecules at
254 nm
Containssample extract or calibration
standard
UVF Detects Aromatic Hydrocarbons
BTEX Compounds:Benzene, Toluene, Ethylbenzene &
Xylenes + other Monoaromatics
C6 to C10 Volatile Petroleum orGasoline Range Hydrocarbons
CH
CH
CH
CH
HC
HC
benzene
1-ring
Carbon weight equals the number of C atoms per molecule.
CH3 H2C
CH3
toluene ethylbenzene
CH3
CH3
CH3
CH3
CH3
CH3
o-xylene m-xylene p-xylene
PAH Compounds:Polycyclic or PolynuclearAromatic Hydrocarbons
Semi to Non-Volatile Compoundsin the C10 to C40+
Diesel and Oil Hydrocarbon Range
Benzo [a] Pyrene
5 rings
Naphthalene
2-rings
What Fluoresces
�Gasoline
�Jet Fuel
�Kerosene
�Diesel Fuel
�Home Heating Oil, No 2. Fuel Oil
�Heavy Fuel Oil, No. 6 Fuel Oil
�Motor Oils
�Waste Oils
�Lubricating Oils
�Cutting Oils
�Transformer Oil
�Hydraulic Fluid
�Gas Condensates
�Drilling Muds & Drilling Fluids
�Crude Oils
�Bitumen, Tar Sands
�Creosote,
�Coal Tars, Coal Ash
Fluorescence does not detect straight chain, aliphatic hydrocarbons: