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LII <br /> C <br /> ANATEC 359/020 LOG .9891. _ <br /> 2 - August 13_, 1987 � <br /> Details of the analytical methodology <br /> ments specified in "Guidelines for Addressing sFuel nLeaksh"require- <br /> Regional Water Quality Control Board, San Francisco Bay Re <br /> revised 1986; the preparation procedures used are described in <br /> detail in "Headspace Method," Method 5020 in "Test Methods for <br /> Evaluating Solid Waste, Physical/Chemical Methods," U.S. EPA, SW- <br /> 846, 2nd edition, . revised 1984. <br /> Additionally, the samples were analyzed to measure total lead <br /> content. Briefly, the samples were prepared for analysis by <br /> digestion with heat, nitric acid and hydrogen peroxide. The <br /> filtered digests were then analyzed by inductively coupled argon <br /> plasma atomic emission spectroscopy in accord with method 6010, <br /> U.S. EPA SW-846 <br /> (ibid.) <br /> Ethylene dibromide measurement waserformed <br /> p by Curtis & Tompkins <br /> Laboratory in San Francisco. <br /> Results of analyses are summarized in Table 1. Attached <br /> is the <br /> sample custody document. Please feel welcome to contact us should <br /> You have questions regarding procedures or results. <br /> Submitted by: <br /> Approved by: <br /> a <br /> Kim nsa d Dorothy Gower, <br /> Project Chemist <br /> Project Manager <br /> /hs <br /> Enc: Custody Document <br />