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' • <br /> ' <br /> SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (475) 686 9600 • FAX (475) 686-9689 <br /> Environmental8cience&EngineeringClient Project ID: #6-90-5137/Ryder ruck <br /> 4090 Nelson Ave., Ste. J Matrix Descript: Soil Sampled: Feb 27 1991 <br /> Concord, CA 94520 Analysis Method: SM 5520 E&F Gravimetric Received: Feb 28 1991 <br /> Attention: Sue Wickam ) Extracted: Mar 1, 1991 <br /> ' First Sample# 102-0753 <br /> Analyzed: Mar 1, 1991 <br /> Reported: Mar 4, 1991 <br /> ' TOTAL RECOVERABLE PETROLEUM OIL <br /> Sample Sample Oil & Grease <br /> Number Description mg/kg <br /> (ppm) <br /> 102-0753 S-1 N.D. <br /> 102-0754 S-2R N.D. <br /> 102-0755 S-21- N.D. <br /> ' 102-0756 S-3 110 <br /> ' 102-0757 S-4 71 <br /> 1 <br /> F <br /> ection Limits: 30 <br /> 1 <br /> IAnalytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL <br /> Belinda C. Vega <br /> I Laboratory Director <br /> 7020753EEE <1> <br />