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Jim Podesta 4 September 9, 1993 <br /> Selenium Standard Methods 3113 or EPA Method 270.2 <br /> Silver Standard Methods 3120 or EPA Method 200.7 <br /> Zinc Standard Methods 3120 or EPA Method 200.7 <br /> Oil and Grease Standard Methods 5520 B or EPA Method 413.1 <br /> Cyanide Standard Methods 4500-CN-E or EPA Method 335.3 <br /> Very <br /> Kc.�Xtyyours, <br /> Corin � <br /> Keith Conarroe <br />