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FRIEDMAN & BRUYA, INC <br /> ENVIRONMENTAL CHEMISTS <br /> Date of Report October 21 <br /> p , 1993 <br /> Date Received October 12, 1993 <br /> Project. East 11th St , Tracy <br /> Date Samples Extracted October 12, 1993 <br /> Date Extracts Analyzed October 12, 1993 <br /> RESULTS FROM THE ANALYSIS OF THE SOIL SAMPLE <br /> FOR TOTAL PETROLEUM HYDROCARBONS <br /> (OIL & GREASE) <br /> BY METHOD 413.1 <br /> Results Reported as µg/g (ppm) <br /> Sam Ike #. Oil & Grease <br /> SB-3-8 5' 2$0 <br /> Qualitv Assurance <br /> Blank <10 <br /> SB-3-8 5' <br /> (Duplicate) 340 <br /> SB-3-8 5' <br /> (Matrix Spike) <br /> % Recovery 93% <br /> SB-3-8 5' <br /> (Matrix Spike Duplicate) <br /> % Recovery 120% <br /> Spike Blank <br /> % Recovery 120% <br /> Spike Level 250 <br />