EPA Method 4425
EPA Method 4425 does not directly match ALS - Columbia's list of currently available methods. Please call for availability.
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View Actual EPA Method 4425 (PDF File)
EPA Method 4425:
PCBs, Dioxins/Furans PAH - HRGS
SCREENING EXTRACTS OF ENVIRONMENTAL SAMPLES FOR PLANAR ORGANIC COMPOUNDS ( PAHs, PCBs, PCDDs/PCDFs) BY A REPORTER GENE ON A HUMAN CELL LINE
This method utilizes a reporter gene system (RGS) based on cytochrome P450 to screen samples for a range of organic compounds including polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), coplanar polychlorinated biphenyl congeners (PCBs), and high molecular weight polynuclear aromatic hydrocarbons (PAHs).
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