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� r <br /> GeoAv4alytical Laboratories, gc. <br /> 1405 Kansas Avenue Modesto; CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> } Report# N100-11 Date: 4/19/02 <br /> Thor e Oil Date Rec'd: 4/10/02 <br /> i p Project: Stockton Fire Station-Sonora St. Date Started: 4/16/02 <br /> PO Box 357 Date Completed:4/18/02 <br /> Lodi ,• CA 95241 PO# <br /> Date Sampled: 4/10/02 <br /> Sampler: R.Chrun/R.Azevedo <br /> Sample ID Lab ID RL Method Analyte Results Units <br /> Soil Sample#1 South@51/2' N200874 1.0 3550 LUFT Diesel ND mg/Kg <br /> 5 <br />! Surrogate Amnt Spiked Amnt Recovered %Recovery QC Limit% <br /> o-Terphenyl 1.00 0.935 93.5 70-130 f <br /> i <br /> i <br /> --Soil Sample#2 South@4' N200875 50 3550 LUFT 'Diesel 2300 t�mg/Kg 4� <br /> 500 Motor Oil._. 4000. - <br /> Surrogate Amnt Spiked Amnt recovered %Recovery. rY QC Limit <br /> o-Terphenyl 1.00 8.54* 854 70-130 <br /> f ` <br /> *Surrogate elevated due to high Diesel background. <br /> Soil Sample#3 South@4' N200876 1.0 3550 LUFT Diesel ND mg/Kg <br /> Surrogate Amnt Spiked Amnt Recovered %Recovery QC Limit% <br /> o-Terphenyl 1.00 0.904 90.4 70-130 r <br /> Soil Sample#3 Middle @4' N200877 1.0 3550 LUFT Diesel ND mg/Kg <br /> Surrogate Amnt Spiked Amnt Recovered %Recovery QC Limit <br /> o-Terphenyl 1.00 0.953 98.3 70-130 <br /> I <br /> Soil Sample#4 South@4' N200878 1.0 3550 LUFT Diesel ND mg/Kg <br /> Surrogate Amnt Spiked Amnt Recovered %Recovery QC Limit% <br /> o-Terphenyl 1.00 1.021 102.1 70-130 <br /> �i <br /> ~ V <br /> Gregory Merciadis Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />