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w <br /> ADDENDUM STATEMENT <br /> f <br /> Extraction and Analytical.. <br /> Methods; -` <br /> Total Petroleum HydorcarbonS and Purgeable 'Aromatic Volatile Organics <br /> Extraction Method:: _.EPA:Method 3550 <br /> f _ <br /> Total Petroleum Hydrocarbons: EPA Method- 8015 Modified <br /> Purge. Aromatic Volatile <br /> I <br /> Organics: EPA Method 8020 <br /> Methods reference_, _ SW-846 <br /> - i <br />