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404 N.Wiget Lane <br /> ` Sequoia Walnut Creek,CA 94598 <br /> (925)989ss-9600-9goa <br /> FAX(925)9BB-9673 <br /> Analytical www.sequoialabs.com <br /> J; San Joaquin Company Inc. Project: 7500 W 11th St.Steet Tracy <br /> 1120 Hollywood Ave.No.3 Project Number: Il 9902.012 Reported: <br /> Oakland CA.,94602 Project Manager: Dai Watkins 24-May-00 15:19 <br /> Total Purgeable Hydrocarbons (C6-C12) and BTEX by DHS LUFT <br /> Sequoia Analytical -Walnut Creel; <br /> Reporting <br /> 1 . ;Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW3-10(W004628-05)Soil Sampled: 27-Apr-0010:12 Received:27-Apr-0016:58 P-01 <br /> 'Purgeable Hydrocarbons 18 5.0 mg/kg 100 OE03002 03-May-00 03-May-00 DHS LUFT <br /> f- enzene 0.67 0.025 " <br /> Toluene 0.25 0,025 <br /> Ethylbenzene' 0.34 0.025 " <br /> Xylenes(total) 0.63 0.025 " <br /> -Surrogate:a,a,a-Tris lrrorotoluene 95.7% 40-140 " <br /> -:.AIW3-15(WO04628-06)Soil Sampled:27 Apr-0010:18 Received: 27-Apr-00 16:58 <br /> .`:; urgeable Hydrocarbons ND 1.0 mg/kg 20 OE03002 03-May-00 03-May-00 DHS LUFT <br /> Benzene 0.021 0.0050 " <br /> i <br /> ---Toluene 0.020 0.4050 " <br /> ithylbenzene 0.015 0,0050 " <br /> Xylenes(total) 0.051 0.0050 <br /> Surrogate:a,a,a-Trifluorotoluene 99.0% 40-140 <br /> -5.5(W004628-07)Soil Sampled: 27-Apr-00 12:05 Received: 27-Apr-00 16:58 P-07 <br /> Piiigeable Hydrocarbons 3.8 1.0 mg/kg 20 OE03002 03-May-00 04-May-00 DHS LUFT <br /> r: <br /> Benzene ND 0.0054 " <br /> i'oluene ND 0.0050 " <br /> Ethylbenzene ND 0.0054 <br /> Xylenes(total) 0.017 0.0050 " <br /> Surrogate:a,a,a-Trifluorotoluene 95.3% 40-140 <br /> '--'117W4-11 (W004628-08)Soil Sampled: 27-Apr-00 12:10 Received: 27-Apr-0016:58 P-07 <br /> -Purgeable Hydrocarbons 170 20 mg/kg 400 OE03002 03-May-00 03-May-00 DHS LUFT <br /> enzene 0.42 0.10 " <br /> aluene 0.44 0.10 " <br /> Ethylbenzene 0.31 0.10 " <br /> �ylenes (total) 0.24 0.10 „ <br /> :,Surrogate:a,a,a-Triifluorotoluene 126% 40-140 ” <br /> I <br /> Sc(.poia Analytical-Walnut Creek The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety. <br /> Page 3 of 14 <br /> i <br />