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California Laboratory Services University of California 04/18/94 Lawrence Livermore Natl. Lab 7000 East Ave./P.O. Box 808 Livermore, Ca 94551 Attention: M. Heaton, L-633 Reference: Analytical Results Project Name: CLS ID No. : M4483 Project No. : B00023 CLS Job No. : 794483 Date Received: 03/30/94 Chain Of Custody: 122 The following analyses were performed on the above referenced project: No. of Turnaround Samples Time Analysis Description 2 10 Days Sulfide, EPA Method 9030 2 10 Days Flash Point 1 10 Days CAM Metals, STLC, EPA Methods 6010/7000 1 10 Days CAM Metals, TTLC, EPA Methods 6010/7000 2 10 Days Halogenated Volatiles by EPA Method 8010 2 10 Days Purgeable Aromatics by EPA Method 8020 7 1 Day Lead by EPA Method 6010 7 1 Day EDB by EPA Method 8011 2 1 Day TPH Volatiles by DHS Method - EPA M8015 7 1 Day TPH Diesel by DHS Method - M8015 (soil) 5 1 Day TPH Gasoline and BTXE (soil) 2 10 Days Total Cyanide, EPA Method 9010 2 10 Days pH, EPA Method 9040 Although sample TK-08-01-879-G1U1-SP-SO-3" was found to contain compounds in the retention time range generally associated with diesel fuel, the chromatogram for this sample was not consistent with the expected chromatographic pattern or "fingerprint" . However, the reported concentration is based on diesel #2 calibration. Also, a late eluting component resembling fuel oil is detected in sample "TK-08-01-879-G1U1-SP-SO-3" . There was insufficient amount of sample for the CAM TTLC and STLC Metals analyses to be performed on sample "TK-09-01-879-GlUl-SP-SO-4" . These samples were received by California Laboratory Services in a chilled, intact state and accompanied by a valid chain of custody document. E`""E°'aaee 3249 Fitzgerald Road Rancho Cordova,CA 95742 (916)638-7301 Fax(916)638-4510