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I 1 a <br /> PRECISION <br /> SI®N <br /> ENVIRO-TECH <br /> Analytie l Laboratory CERTIFICATE OFANAL YSIS <br /> Tuesday,May 4, 2004 <br /> ' Attention- Jack Bishop Report Page 11 of 14 <br /> California Sank Lines <br /> ' P O BOX 6245 <br /> Stockton, CA 95206 <br /> ' Volatile Organic Compounds by EPA Method 8260B <br /> f Sample information ID- Street m w-T Sample Type: Crab <br /> Laboratory ID- 0400917-04 <br /> t d�j114 01 Sample Matrix: Ground Water-Non Potable Project Name: QM-Q12004 <br /> Date/Time Sampled: 10-Mar-04 15 45 by Sorenso <br /> ' Test Parameter Result DLR Untt Dilution Batch Prepared An sts Date Method Mores <br /> tett-Butyl Aeohal(TBA) 678 500 ugll 1 AE40406 11-Mar-04 11-Mar-04 EPA 82606 <br /> I Methyl-teR-butyl-Ether(MtBE) 2 85 1 00 ugll 1 AE40406 11-Mar-04 11-Mar-04 EPA 82606 J <br /> ' 7 Dusopropyl Ether(D1PE) 170 100 ugll 1 AE40406 11-Mar 04 11-Mar-04 EPA 82608 <br /> ND 1 00 ugll i AE40406 11-Mar-04 11-Mar-04 EPA 8260E <br /> Ethyl tett-Butyl Ether(ETBE) <br /> AE40406 11-Mar-04 11-Mar-04 EPA 82608 <br /> 1 tert-Amyl Methyl Ether(TAME) ND 100 ug/1 1 E <br /> ' Benzene 3120 100 ug/l 1 AE40406 11-Mar-04 1i-Mar-04 EPA 82608 <br /> 1400 1 00 ugll 1 AE40406 11-Mar-04 11-Mar-D4 EPA 82608 I <br /> I Ethylbenzene Toluene 5540 100 ugll 1 AE40406 11-Mar-04 11-Mar-04 EPA 82608 <br /> Xylene 6220 100 u911 1 AE40406 11-Mar-04 11-Mar-04 EPA 82608 <br /> t line 3090 100 ug/1 1 AE40406 11-Mar-04 11-Mar-04 EPA 82608 <br /> TPH-Gasoline 5440 100 ugll 1 AE40406 11-Mar-04 11-Mar-04 EPA 8260E <br /> I <br /> ' Surrogate Dtbtomotluoromethan& 94% 86-118 <br /> Surrogate Toluene d8 98% 88-110 <br /> Surrogate 48romoRuarobenzoene 94% 86-1 i5 <br /> 1 <br /> mg'L=mrilrgrartrs per Liter=ppm <br /> DLR=Detection Limit for Purpose of Reporting <br /> ug L=micrograms per Liter=ppb L:rceptronal sample matrices or interferences may <br /> result to higher detection lim- <br /> PECTFULLY SUBMITTED, <br /> ' 7onath m Le,Laboratory Director <br />