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= = ENVIRONMENTAL <br /> Analytical Chemists <br /> February 25, 1997 ORGANIC Quality Assurance Report for sample: 730981 <br /> Forward Landfill <br /> P.O. Box 6336 <br /> Stockton , CA 95206 <br /> BATCH EPA CALIBRATION QA/QC METHOD QA/QC <br /> Constituent ID Method Units Type Conc. % REC AR NOTE Type Conc. % REC % REC AR % DIF MAY NOTE <br /> Triphenylphosphate 00 OA 614/8140 ug/L LCS 25.0 69.3 26-129 BS 25.0 58.0 67.7 26-129 15.4 30.0 <br /> Bolstar 00 OA 614/8140 ug/L LCS 10.0 68.0 50-150 BS 10.0 0.0 0.0 50-150 0.0 30.0 105 <br /> Chlorpyrifos 00 OA 614/8140 ug/L LCS 10.0 63.9 50-150 BS 10.0 0.0 0.0 50-150 0.0 30.0 105 <br /> Diazinon 00 OA 614/8140 ug/L LCS 5.00 84.3 50-150 BS 5.00 0.0 0.0 50-150 0.0 30.0 105 <br /> Ethoprop 00 OA 614/8140 ug/L LCS 10.0 70.6 50-150 BS 10.0 0.0 0.0 50-150 0.0 30.0 105 <br /> Fenthion 00 OA 614/8140 ug/L LCS 10.0 61.0 50-150 BS 10.0 0.0 0.0 50-150 0.0 30.0 105 <br /> FGL ID = 19970220 N/A => Not Applicable NOTE => See note indicated below. <br /> Notes: <br /> 105 Lab error determined to be the cause. The problem was identified and does not affect the samples. <br /> FGL ENVIRONMENTAL, NC. <br /> 1 <br /> CJ:jgc <br /> Charles John S , B.S. , QA/QC Officer <br /> Corporate Offices&Laboratory Office&Laboratory Field Office <br /> P.O.Box 272/853 Corporation Street 2500 Stagecoach Road Visalia,California <br /> Santa Paula,CA 93061-0272 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 />