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The following case studies illustrate the performance generated from
customers who have used Sitelab’s UVF-3100 analyzer for testing Total
Petroleum Hydrocarbons (TPH).
This analysis is most commonly used when soil, sediments or water is
contaminated by waste oils, lubricating oils or crude oils.
Sitelab’s TPH-Oil calibration kit is designed to correlate to U.S.
EPA TPH Method 418.1 by Infrared or Method 1664 by Gravimetric. |
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Brownfield
Redevelopment Site:
A mobile laboratory contractor working for U.S. EPA Region 2,
selected Sitelab's UVF-3100 to test TPH during a site assessment on an old industrial property located in
Milltown, New Jersey. The site
was contaminated with various types of petroleum hydrocarbons.
Sitelab’s TPH-Oil calibration kit correlated well to the certified
laboratory results using the New Jersey DEP’s
418.1 by IR method.
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U.S. DOE
Bioremediation Sites:
Since 2001, the U.S. Dept of Energy has been using the UVF-3100 to
monitor bioremediation projects in Pennsylvania, where historic oil
fields are contaminated with crude oil around abandoned and plugged
oil wells. DOE conducted an
evaluation using 18 soils collected from different oil fields and
sent split samples to a certified laboratory for TPH confirmation by
EPA Method 1664, a test commonly performed in the oil industry.
Oil collected from one of the wells was used for calibration,
which fluoresced similar to Sitelab’s TPH-Oil kit.
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The U.S. DOE’s National
Energy & Technology Laboratory in Pittsburgh, has been using
Sitelab for field screening samples at bioremediation sites to
save time and money.
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Weathered Crude Oil Site Assessment:
Funded by the UN, a Saudi Arabian government contractor
used Sitelab to test TPH in hundreds of samples for crude
oil contamination as part of an international effort to
investigate soils along the Persian Gulf resulting from the
1991 Iraq War. Oil
collected from the site was used for calibration, which
fluoresced similar to Sitelab’s TPH-Oil kit.
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Auto Scrap Yard Recycling site:
Testing for TPH is performed at an auto scrap yard
recycling facility, as motor
oils from old car engines contaminates the left over waste produced. Stockpiles of the “fluff,” which contains ground up seat cushions,
plastics, rubber, etc. must be hauled away and disposed of properly.
Using Sitelab to monitor the fluff material on-site is important.
If TPH levels, for example, are below 20,000 ppm, the waste can be
used as daily cover at a local landfill. Otherwise it must be
sent out of state to a more costly disposal facility.
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Old cars
are shredded to recycle the metal. Stockpiles of all the non-metal
waste, called "fluff" is
contaminated with oil.
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