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Sitelab's portable field analyzers use ultraviolet fluorescence technology; a very selective detection method useful for measuring many types of petroleum contaminants.  UVF spectrometry's principle of operation relies on the electronic configuration of the molecular structure of organic compounds.  Aromatic hydrocarbons, which include ring-shaped compounds such as benzene, naphthalene and many others, both excite and emit energy at specific wavelengths.  The fluorometer's response of each sample is measured by the instrument on a linear, multi-point calibration curve using certified standards sensitive to the wavelengths of interest.  Samples are extracted and analyzed in solvent using disposable test kits.  The concentration is displayed in only a few seconds.
    
 
  
Download: UVF-TRILOGY OPERATING MANUAL
 
Download: UVF-500D OPERATING MANUAL
 
   
Sitelab's UVF-TRILOGY and UVF-500D hydrocarbon analyzers are UV fluorescence-based instruments.  These instruments are made for Sitelab by Turner Designs, Inc. in San Jose, California.

CLICK HERE FOR MODELS AVAILABLE
 


Different petroleum products contain different types and quantities of aromatic hydrocarbons, which fluoresce differently from one another.  Many contaminated sites also contain weathered fuel products which have degraded and changed in composition over time.  Conventional laboratories use a variety of U.S. EPA or other state regulatory test methods using Gas Chromatography (GC) instrumentation.  GCs can separate "TPH" into gasoline range, diesel and oil range hydrocarbon fractions.  The UVF-TRILOGY is designed to mimic these methods using different UV modules available.

                       
   
Sitelab provides a variety of different calibration kits to choose from in order to best match the source of your spill and provide maximum performance when comparing your field results to the confirmatory lab.  Since our analyzers are calibrated using similar types of certified standards laboratories use for GC analysis and are fitted with high precision excitation and emission optics, test results generated directly correlate, providing very accurate and reliable results.
 
 
TEST METHOD ACCURACY & PRECISION STUDIES
 

Gasoline Range Organics: PERFORMANCE DATA

 

Extended Diesel Range Organics: PERFORMANCE DATA

 

GRO and EDRO used to report TPH: PERFORMANCE DATA

 

Total Petroleum Hydrocarbons-Oil: PERFORMANCE DATA

 

Polycyclic Aromatic Hydrocarbons: PERFORMANCE DATA








UV Fluorescence-based instruments are highly sensitive, with minimum detection limits
in the low ppm or ppb range, capable of meeting or exceeding most regulatory clean up levels.

                  
                     SEE CALIBRATION KITS AVAILABLE

Detection limits vary depending on which analyzer and calibration kit is used.  Detection limits are dictated by the lowest calibrator included with each calibration kit and are the same for soil, sediment or water samples.  A solvent blank is used to 'zero' the instrument during the calibration process.  Report readings between zero and the lowest calibrator as non-detect (ND).
 


WHO'S USING FLUORESCENCE?

Environmental consultants use Sitelab to investigate and dilineate where, how much and what type of contamination exists on a site.

Contractors use Sitelab to help guide excavation of soil from underground storage tanks (USTs).

Oil and Gas companies use Sitelab to monitor oil in water for treatment and discharge.

Forensic scientists use Sitelab to fingperprint and identify the type and age of petroleum in samples.

Government regulators and emergancy response crews use Sitelab to assist with oil spills and natural disasters.

Property owners with fuel oil spills send samples to Sitelab's laboratory for fast, affordable and reliable test results.

Field technicians use Sitelab to monitor levels of TPH for bioremediation, reuse or landfill disposal.

Large industrial sites, power plants, Brownfields, tank farms and refineries where high numbers of samples must be tested without the high cost and time delays of conventional laboratory analysis.

Manufacturering companies test metal parts for quality control to ensure their products are clean and free of residual oils.       

 
     » Gasoline
     » Jet Fuels
     » Kerosene
     » Diesel Fuel
     » Heating Oils, No 2. Fuel Oil
     » Heavy Fuel Oils, No. 6 Fuel Oil
     » Motor Oils & Lubricating Oils
     » Waste Oils
     » Cutting Oils
     » Transformer Oil
     » Hydraulic Fluid
     » Gas Condensates
     » Drilling Muds
     » Crude Oils
     » Bitumen, Tar Sands, Asphalt
     » Creosote, Coal Tars, Coal Ash
 









 

 

 

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