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' Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415)364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(5i0)988 9673 <br /> Analytical 819 Sinker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> 1pgradlent EnviCOnmen"I n { dent F�roject 11�V Apache Islasifcs v. Sampled Jun 18,1997 <br /> ' P O Box 8002 Sample Matrix Air Received Jun 18, 1997 <br /> Stockton, CA 95208 Analysis Method EPA 5030/8420, DHS Luft Reported Jun 27, 1997 <br /> Attention Vic Cherven First Sample # 706-0539 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> ' Reporting Sample Sample <br /> Analyte Limit LD I D <br /> ppmv 706-0539 706-0540 <br /> ' VE-1 Shallow VE-2 <br /> urgea e <br /> Hydrocarbons 28 1,600 880 <br /> 1 <br /> Benzene 0 016 15 19 <br /> ' Toluene 0 013 93 66 <br /> ' Ethyl Benzene 0 012 30 12 <br /> Total xylenes 0 012 150 58 <br /> ' Chromatogram Pattern Gasoline Gasoline <br /> C6-C12 C6-C12 <br /> ' Quality Control Data <br /> ' Report Limit Multiplication Factor 50 50 <br /> Date Analyzed 06/18/97 06/18/97 <br /> ' Instrument Identification GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 89 78 <br /> ' (QC Limits = 60-140%) <br /> ' Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> sEC001A ANALYTI AL, EIRP #1624 <br /> Edana M Fruciano <br /> Project Manager/Sacramento Laboratory <br /> 7Q60537 uuu <z> <br /> 1 � <br />