EPA Method 4020
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View Actual EPA Method 4020 (PDF File)
EPA Method 4020:
SCREENING FOR POLYCHLORINATED BIPHENYLS BY IMMUNOASSAY
Test kits are commercially available for this method. The manufacturer's directions should be followed.
Method 4020 is a procedure for screening soils and non-aqueous waste liquids to determine when total polychlorinated biphenyls (PCBs) are present at concentrations above 5, 10 or 50 mg/kg. Method 4020 provides an estimate for the concentration of PCBs by comparison with a standard.
SW-846 Ch 4.4
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