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I <br /> . Environmental laboratories w <br /> Working To Restore Nature <br /> QUALITY ASSURANCE JQUALITY CONTROL REPORT <br /> 10201ab fret <br /> attention Mr Eric Holm Date \nalvzed 08-12-92 <br /> RESNA GC # 2 <br /> 3164 Gold Camp Dr , Ste 200 MatrLx Vater <br /> Rancho Cordova, CA 95670 <br /> 1 Project 38032 08, Unocal 6981 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> 1 Ppb qnh Xb Doh- ppb ppb <br /> Detection Limit 05 0 5 05 05 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> 1 • Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 106 106 112 113 91 NR <br /> 1 Vis 120 115 117 118 103 NR <br /> MSD 115 111 112 113 92 NR <br /> RPD 426 3 54 437 433 113 NR <br /> ppb = pans per billion = ug/L = micrograms per liter <br /> \D = \ot detected Compound(s) may be present at conitntrations oelow the detection limit <br /> \P = Analysts not requested <br /> SIS � Matrix Spike <br /> `ISD = Matnx Spike Duplicate <br /> RPD = Relative Percent Difference <br /> VcLptahlc R tnLc <br /> I �tanaara S�-]hi <br /> Blank \D <br /> P,PD <br /> U. -' August 13 1992 <br /> Laboratory Represenuatl%L Date Reported <br /> 1 <br /> RESMA ENVIRONMEMAL LABORA TORY IS C-ERTIF7FD BY 1-1[E STATE OF C%III-OR.\IA <br /> DEP\R"r%lr',:r OF IIF-\LI II SERVICES \S A I LXZARIDou5 \\ \SFE FEST]\G L\BORATORY <br /> I Ct rUbtatiOn \0 12111 <br /> -2301 \lbrae street • P-emont C-% Q4538 • Phone t370i 623-07-5 0 18001 247-5223 • '�A\ 510! 651 R73- <br />