Sitelab Corporation

Case study - Performance testing PAHs in soil

Courtesy of Sitelab Corporation

These case studies highlight Sitelab’s accuracy from customers who have used the UVF-3100D for testing Target PAHs. This test correlates well to U.S. EPA Method 8270 or similar GC methods, which includes a list of 16 or more compounds. The analyzer is fitted with special optical filters sensitive to this same group of hydrocarbons.

Examples of UVF-3100D testing Polycyclic Aromatic Hydrocarbons in Soils vs. Certified Laboratories. Concentrations in ppm (mg/Kg)

Manufactured Gas Plant, Coal Tar Site

A contractor rented the UVF to test contaminated river sediments at a former gas plant in Colorado. Like most MGP sites, this one contains coal tar (DNAPL pictured), high in Benzo[a]Pyrene and other PAHs.

Power Plant, Coal Ash Site:

Environmental consultants field screened PAHs to monitor their bioremediation project. The soils contain coal ash and “clinkers” from a power plant located at a U.S. Air Force Base in North Carolina.

Petroleum Tank Farm, Fuel Oil Site:

A consultant used Sitelab during a site investigation testing soil borings on a tank farm located on Boston Harbor. The site has a large commingled plume of LNAPL containing diesel fuel and No. 6 fuel oil.

Wharf Site with Heating Oil and Gasoline:

Unlike coal-related contaminants, refined petroleum products contain lighter PAH compounds, like 2-Methylnaphthalene. The UVF is sensitive to all PAHs, but cannot detect one compound from another.

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