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Page 1 <br /> Organo-Phosphorus Pesticide Analysis <br /> (EPA Method 8140) <br /> FORWARD, INC. Date Reported: 03/25/98 <br /> P. O. BOX 6336 Date Received: 02/18/98 <br /> STOCKTON, CA 95206 Laboratory No. : 98-01936-1 <br /> Attn: CARRIE FISHER 209-466-4482 <br /> Project Number: STORMWATER R & R Date Collected: 02/18/98 @ 12 :50PM <br /> Sample Matrix: stormwater Date Extracted: 02/24/98 <br /> Sample Collected By: RUBEN RAMIREZ Date Analyzed: 03/18/98 <br /> Practical <br /> Analysis Reporting Quantitation <br /> Constituents Results Units Limit <br /> Azinphos methyl None Detected µg/L 1. <br /> Bolstar None Detected µg/L 1. <br /> Chlorpyrifos None Detected µg/L 1. <br /> Coumaphos None Detected µg/L 1. *3 <br /> Demeton None Detected µg/L 1. <br /> Diazinon None Detected µg/L 1. <br /> Dichlorvos None Detected µg/L 1. <br /> Disulfoton None Detected µg/L 1. <br /> Ethoprop None Detected µg/L 1. <br /> Fensulfothion None Detected µg/L 1. *2 <br /> Fenthion None Detected µg/L 1. <br /> Merphos None Detected µg/L 1. <br /> Mevinphos None Detected µg/L 1. <br /> Naled (Dibrom) None Detected µg/L 1. <br /> Parathion methyl None Detected µg/L 1. <br /> Phorate None Detected µg/L 1. <br /> Ronnel (Fenchlorphos) None Detected µg/L 1. <br /> Stirophos <br /> (Tetrachlorivinphos) None Detected µg/L 1. <br /> Tokuthion (Prothiophos) None Detected µg/L 1. <br /> Trichloronate None Detected µg/L 1. <br /> Quality Control Data <br /> Surrogates °s Recovery Control Limits <br /> Triphenyl phosphate 107. 35-161 <br /> Flag Explanations: <br /> * = Matrix spike precision not within established limits. <br /> *2 = PQL is estimated due to low CCV recovery. <br /> *3 = PQL is estimated due to low CCV recovery. <br /> Matrix spike pr7741186, <br /> n not within established limits. <br /> i <br /> Californ' D.O.H.S. AZ License: AZ0345 <br /> Stuart G. Buttram <br /> Department Supervisor <br /> All mwAs Rated In this report are for the exclusive use of the submitting party.BC Laboratories,Inc.assumes no responsibility for report aherstion,separation,detachment or third party Interpretation. <br /> 4100 Atlas Ct. . Bakersfield, CA 93308 . (805)327-4911 0 FAX(805) 327-1918 <br />