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Sequoia <br />Ana],V$1Cal <br />819 Striker Avenue, Suite 8 <br />Sacramento, CA 95834 <br />(916) 921-9600 <br />FAX (916) 92 1 -0 100 <br />ECM Services (ECMS) <br />Project: <br />Waste Profile <br />Sampled: <br />10/26/99 <br />P.O. Box 622228 <br />Project Number: <br />N/A <br />Received: <br />10/27/99 <br />Orangevale, CA 95662 <br />Project Manager: <br />Maureen Dogett <br />Reported: <br />11/10/99 <br />Conventional Chemistry Parameters by APHA/EPA Methods/Quality Control <br />Sequoia Analytical - Sacramento <br />Date Spike Sample QC Reporting Limit Recov. RPD RPD <br />Analyte Analyzed Level Result Result Units Recov. Limits % Limit % Notes* <br />Batch: 9110061 <br />Date Prepared: 11/2/99 <br />Duplicate <br />9110061-DUP1 5910330-09 <br />pH <br />11/2/99 7.11 <br />Batch: 9110131 <br />Date Prepared: 11/9/99 <br />Blank <br />9110131-BLK1 <br />TRPH <br />11/9/99 <br />LCS <br />9110131-BS1 <br />TRPH <br />11/9/99 100 <br />Matrix Spike <br />9110131-MSl 5910330-09 <br />TRPH <br />11/9/99 2500 4200 <br />Matrix Spike Dup <br />9110131-MSDI S910330-09 <br />TRPH <br />11/9/99 2500 4200 <br />e <br />Extraction Method: General Preparation <br />7.08 pH Units 20.0 0.423 <br />Extraction Method: General Preparation <br />ND mg/kg 25.0 <br />128 mg/kg 70.0-130 128 <br />2350 mg/kg 60.0-140 -74 <br />3310 mg/kg 60.0-140 30.0 <br />M <br />ME <br />Sequoia Analytical - Sacramento *Refer to end of report for text of notes and definitions. <br />Page 10 of 11 <br />