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North State Environmental <br /> Chemical Waste Disposal •Trucking • Consulting <br /> CERTIFICATE OF ANALYSIS <br /> Quality Control/Quality Assurance <br /> Lab Number: 98=1778 <br /> Client : CAL INC <br /> Project : SHARPE SITE <br /> Date Reported: 01/11/99 <br /> Gasoline,BTEX and MTBE by Methods 8015M and 8020 <br /> Diesel Range Hydrocarbons by Method 8015 M <br /> Lead by Method 7420,AA Spectroscopy <br /> Reporting MS/MSD <br /> nalyte Method Limit Unit Blank Recovery RPD <br /> Diesel 8015M 1 . 0 mg/Kg ND 103/101 2 <br /> Lead 7420 1 . 0 mg/Kg ND 99/98 1 <br /> Gasoline 8015M 0 . 5 mg/Kg ND 135 7 <br /> Benzene 8020 . 005 mg/Kg ND 76 0 <br /> Ethylbenzene 8020 . 005 mg/Kg ND 97 0 <br /> Toluene 8020 . 005 mg/Kg ND 76 2 <br /> Xylenes 8020 . 010 mg/Kg ND 94 0 <br /> MTBE 8020 . 005 mg/Kg ND 71 1 <br /> ELAP Certificate NO:1753 <br /> '?eviewed and Approved <br /> —4L/ � Page 4 of 4 <br /> John A.Murphy,LaboratoryDirect r <br /> P. 0 . Box 5624 • South San Francisco , California 94083 • 650-588-2838 FAX 588 - 1950 <br />