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SEQUOIA_�'ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> 15) 686-9600 • FAX (415) 686-9689 <br /> ....... <br /> Environmental Science&Engineering Client Project ID: 1700 N.Broadway,Stockton Sampled: Feb 15, 1991 ,e <br /> 4090 Nelson Ave., Ste. J Matrix Descript: Soil Received: Feb 15, 1991 <br /> x.Concord, CA 94520 Analysis Method: EPA 418.1 (I.R.with clean-up) Extracted: Feb 15, iggi .., <br /> 'Attention: Nell Garrett First Sample#: 102-0356 Analyzed: Feb 15, 1991 <br /> Reported: Feb 19. 1991 <br /> _n.... . ...... <br /> TOTAL RECOVERABLE PETROLEUM HYDROCARBONS <br /> Sample Sample Petroleum Oil <br /> Number Description mg/kg <br /> (ppm) <br /> 102-0356 S-11 N.D. <br /> 102-0357 S-12 N.D. <br /> 102-0358 S-13 N.D. <br /> 102-0359 S-14 64 <br /> ----------------— <br /> Detection Limits: 5.0 <br /> Analytes reported as N.D.were not present above the stated limit of detection. Because matrix effects and/or other factors <br /> required additional sample dilution,detection limits for this sample have been raised. <br /> _SEQUOIA ANALYTICAL <br /> L rJAalerstein <br /> Project Manager 1020354.EEE <3> <br />