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ENVIRONMENTAL CHEMICAL C O R P O R A T 10 N QUALITY CONTROL <br /> Customer: ENVIRONMENTAL CHEMICAL CORP. <br /> Source: N/A Project No.: 24552 <br /> 'llysis: Diesel Date Received: N/A <br /> ...,;shod: Mod. EPA 8015 Date Extracted: 09/08/97 <br /> Lab Notebook: 669, p.52 Date Analyzed: 09/09/97-09/10/97 <br /> Preparation Batch: DZS0908A Instrument Batch: HF0909 <br /> CUSTOMER R.L. RES13LT N-Nonacosane <br /> LAB 1.D. SAMPLE NO. MATRIX TPH (mg/kg) (mg/kg) (% Recovery) <br /> 24552-007DUP QC SAMPLE SOIL Nonvolatile 10.0 13 .3 .® <br /> (Diesel range) <br /> Range C15-C25 <br /> Dup. Relative Percent Difference: 7 <br /> Blank N/A SOIL Nonvolatile 10.0 BRL - 110 <br /> (Diesel range) <br /> Range C15-C25 <br /> SPIKE RECOVERED % <br /> mg/kg mg/kg RECOVERY RPD QC LIMITS <br /> LCSS N/A SOIL 50.0 38.3 77 50-150 <br /> 24552-007MS QC SAMPLE SOIL 50.0 47.6 95 50-150 <br /> ^4552-007M5D QC SAMPLE SOIL 50.0 45.5 91 4 50-150 <br /> BRL: Below Reporting Limit <br /> .L.-Reporting Limit @-Diluted Out <br />