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The
Case on the Source Identification of Spilled Oil with
Mixed Free Product in
Seoul
Seog-Won
Eom,
Seoul Metropolitan Govern Research Institute of Public,
Health and Environment, 202-3 Yangjae-Dong Seocho-Gu,
Seoul, Korea, 137-130, Tel: 82-2-570-3221,
Fax: 82-2-570-3475
Il-Sang Bae, Seoul Metropolitan Govern Research Institute
of Public, Health and Environment, 202-3 Yangjae-Dong
Seocho-Gu, Seoul, Korea, 137-130, Tel: 82-2-570-3377, Fax:
82-2-570-3475
Jae-Seung Lee, Seoul Metropolitan Govern Research
Institute of Public, Health and Environment, 202-3 Yangjae-Dong
Seocho-Gu, Seoul, Korea, 137-130, Tel: 82-2-570-3382,
Fax: 82-2-570-3475
The
purpose of this study is to identify the source of
contamination by analyzing the free product and oil
compounds in soil and groundwater near the Subway Station,
located adjacent to the army garrison in
seoul
,
Republic
of
Korea
. All of samples collected twice were ground water and
free product in monitoring well. Analysis items are
boiling point range, TPH fingerprinting, pristine/phytane
ratio, alkylbenzene pattern, PAH, PIANO, element(C, N, H),
sulfur, stable isotopes(13C/12C).
Using ratio of pristine/phytane, we were able to
distinguished fuel type between kerosene and JP-8 samples,
which was impossible by GC/FID pattern. Alkyl benzene
pattern was very effective in distinguishing between JP-8
and kerosene and was not greatly interfered by the
presence of a large amount of other fuel type. It is very
important that 2,4-dimethyl-6-tert-butyl phenol, an
antioxidant used only for JP-8, was detected in free
product samples. The concentration of sulfur in kerosene
fuel is very lower than that of JP-8, and the total
contents of sulfur in environmental samples can be used to
differentiate the fuel type of spilled oil between
kerosene and JP-8. In conclusion, according to the result
of a variety of analytical methods to find the source of
spilled fuel, it had been found that the fuel type
detected in the tunnel of subway station and monitoring
wells outside of army garrison and the monitoring wells
inside of army garrison are the same.
Field
Screening Test Method for Fingerprinting Petroleum
Hydrocarbon Sites
Steve
Greason,
President, Sitelab Corporation,
4 Crane Neck Street, West
Newbury,
MA
01985, Tel: 978-363-2299, Fax: 978-363-2288, Email: sgreason@site-lab.com
Field
screening soils and sediments for Polyaromatic
Hydrocarbons (PAHs) has improved using on-site innovative
technology, such as Sitelab’s new UVF-3100D model.
Sitelab’s portable ultraviolet fluorescence
spectrometer, which has been widely used to test volatile
and semi-volatile aromatic hydrocarbons for their gasoline
and diesel range fractions, can now be used to help assess
and clean up sites contaminated with Benzo[a]Pyrene and
other carcinogenic PAHs of concern commonly found in coal
tars, coal ash, creosote and weathered fuel oils typically
encountered at manufactured gas plants, power plants and
other petroleum sites.
Sitelab
has recently developed optical filters that are more
sensitive and selective to the target PAH compounds
reported by EPA Method 8270 performed by certified
laboratories, a very time consuming and expensive
analysis. Samples
are first extracted in methanol solvent using disposable
test kits and then measured on the analyzer, which is
calibrated to a standard containing 17 PAH compounds, the
same compounds reported by the off-site GC/MS method.
The equipment is easy to operate and quality
controlled. From
start to finish, results only take 5 to 10 minutes.
Correlation is very good.
In
addition, the new PAH optics have become an integral part
of Sitelab’s fluorescence fingerprinting method for
hydrocarbon identification.
The ratios, or proportions, of a sample’s VPH,
EPH and Target PAH fractions vary depending on how old and
what type of petroleum contamination is there.
The signatures exhibited provide environmental
professionals forensic information in the field within
minutes, allowing them to delineate contaminated sites
more cost effectively.
The
presentation will highlight several case studies where the
technology has been used, as well as cost savings, test
performance and regulatory acceptance.
This
presentation is similar to Sitelab’s presentation given
in 2006 at the Umass Conference, available at: http://www.site-lab.com/Umass_SoilsConference_Oct2006.PDF
Use
Dendrochronological and Dendrochemical Methods for Dating
Hydrocarbon Contamination
of the Saint-François and Massawippi Riverbanks
Julien St-Laurent, Sciences de l’Environnement, Université
du Québec à Trois-Rivières, C.P. 500, Trois-Rivières,
QC, Canada, G7A 5H7,
Tel: 819-376-5011, Fax: 819-376-5210
Diane Saint-Laurent,
Département de géographie, Université du Québec à
Trois-Rivières, C.P. 500, Trois-Rivières, QC, Canada,
G7A 5H7, Tel:
819-376-5011, Fax: 819-376-5210
Patricia Duplessis, Sciences de l’Environnement,
Université du Québec à Trois-Rivières, C.P. 500,
Trois-Rivières, QC, Canada, G7A 5H7, Tel: 819-376-5011,
Fax: 819-376-5210
Joëlle Marion, INRS-ETE, Laboratoire de Dendrogéochimie,
490, Rue de la Couronne, QC, Canada, G1K 9A9, Tel:
418-654-2524, Fax: 418-654-2600
Julien
St-Laurent and Patricia Duplessis, Sciences de
l’Environnement, UQTR, QC
Diane Saint-Laurent, Département de Géographie,
UQTR, QC. Joëlle Marion,
INTS-ETE
,
QC
. Sediments contaminated with hydrocarbons (C10-C50) were
recently discovered in the banks of the Saint-François
and Massawippi rivers (Saint-Laurent and St-Laurent,
2004). The aim of this study is twofold: to determine the
spatial distribution of the contamination along the banks
of these rivers and to date the contamination period using
dendrochronological and dendrochemical methods. Sampling
for the two types of analyses was done on the banks of the
Saint-François
River
in
Windsor
and
Richmond
stations, and
Massawippi
River
station, where the level of hydrocarbon contamination in
the sediments is among the highest. Five core samples were
taken from a red ash (Fraxinus pennsylvanica Marsh.) at
Windsor Station and twelve core samples were selected at
Richmond
station. Also dendrochemical analyses were done on the
tree rings. Dendrochemistry was successfully used to
determine that there were heavy metals in the rings. Also,
soil materials were used for evaluate the heavy metals
concentration (e.g. As, Cd, Cu, Pb and Zn) and
ratio-isotope analyses (204Pb/206Pb, 207Pb/206Pb and
208Pb/206Pb). The total lead concentration in the tree
rings increased drastically around 1958 due to the
absorption of lead from the sediments that may have been
contaminated by hydrocarbons possibly in 1955 or around
this date. The total lead concentration in
Richmond
trees (F. pennsylvanica Marsh.) are very high to
compare at the
Windsor
station.
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