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^� a Al`IVIROnMEI`ITAL <br /> Analytical Chemists <br /> August 11, 1995 INORGANIC Quality Assurance Report for sample: 533516 <br /> W.W. Miles <br /> c/o Bill Hunter & Assoc. <br /> 2220 Loma Vista Dr. <br /> Sacramento , CA 95825 <br /> BATCH EPA BLANK QA/QC CALIBRATION QA/QC - METHOD QA/QC <br /> Constituent ID Method Units DLR Result NOTE Type Conc % REC AR NOTE Type Conc % REC % REC AR % DIF MAV NOTE <br /> Cadmium 03A 6010 mg/kg 0 060 NO LCS 1 00 92.9 75-125 NS 50.0 92.5 90 1 75-125 2.7 20 0 <br /> Ch rami um 03A 6010 1 mg/kg 0 060 NO LCS 1 00 98 3 75-125 NS 50.0 83 5 70 8 75-125 7 6 20 0 405 <br /> Lead 03A 7420 mg/kg 0.080 ND LCS 1 00 88 0 75-125 NS 50 0 56 0 49 0 75-125 4.4 20.0 405 <br /> Nickel 03A 6010 mg/kg 0.060 ND LCS 1 00 98 6 75-125 MS 50 0 91 8 84 9 75-125 4.3 20 0 <br /> Zinc 03A 6010 mg/kg 0 060 ND LCS 1 00 95 4 75-125 MS 50 0 74.1 69 2 75-125 1 7 20 0 405 <br /> Oil and Grease-Soxhlet 33A 5520D mg/kg 300 ND LCS 3840 78.6 75-125 MS 2680 = 58 3 74 0 75-125 23 8 20 0 400 <br /> FGL ID = 19950807 ND — Not Detected at ar above DLR DLR => Detection Limit for Reporting purposes. N/A => Not Applicable NOTE => See note indicated below <br /> Notes: <br /> 405 Matrix Spike (MS) not within the Acceptance Range (AR) and/or Relative Percent Difference (RPD) not <br /> within the Maximum Allowable Value (MAV) because of low concentrations of the spike or sample. Batch <br /> qualified based on the LCS, CCV or ICV recovery. <br /> 400 Matrix Spike (MS) not within the Acceptance Range (AR) and/or Relative Percent Difference (RPD) not <br /> within Maximum Allowable Value (MAV) because of matrix interferences affecting this analyte. Data was <br /> confirmed by reanalysis. Batch qualified based on the LCS, CCV or ICV recovery. <br /> FGL ENVIRONMENTAL, INC. <br /> TMB:kc <br /> Tom M. Bartanen, QA/QC Director <br /> Corporate Offices&L aboratonr Office A L.abora= Fief Office <br /> P O Box 272/853 Corporation Street 2500 Stagecoach Road Visalia,Caliifomta <br /> Santa Paula,CA 93D61-0272 Stockton,CA 95215 TEL (209)734-9473 <br /> TEL (805)659-0910 TEL (209)942-0181 Mobile (209)737 2399 <br /> FAX (805)525-4172 FAX (209)942-0423 FAX (209)734 8435 <br />